tag:blogger.com,1999:blog-68465080368313792142024-03-14T22:55:01.395+08:00Snip 'N' SnapMaker and Electronic EnthusiastsBernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.comBlogger27125tag:blogger.com,1999:blog-6846508036831379214.post-15409778725874936122021-02-21T01:31:00.001+08:002023-11-16T21:56:19.090+08:001-Day Build - Adjustable Foot Rest<div class="separator" style="clear: both; text-align: left;">This is my take on a footstool, made from Ikea lumber. Height-adjustable, unadorned, and minimal. A footstool is necessary for children whose feet don't reach the floor when sitting in a high chair to provide adequate back support, aid in optimal sitting position, lessen weariness, and so on. Replacement therapeutic chair at a discount. </div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgOamSWz5x8YyCdAhAkOkaduFwrCsSXKMSGyCRV9zCfb23h1VM9ZeFoPUqscGnYx24QowLyDN9WcyzhoOMH7Gwd3biz6gGx8nVaVqobSMd80JGFKOZS1Ov9if1slU8AeRFfSLZUkqqI0UW3/s3053/IMG_20210220_180628-01.jpeg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2261" data-original-width="3053" height="237" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgOamSWz5x8YyCdAhAkOkaduFwrCsSXKMSGyCRV9zCfb23h1VM9ZeFoPUqscGnYx24QowLyDN9WcyzhoOMH7Gwd3biz6gGx8nVaVqobSMd80JGFKOZS1Ov9if1slU8AeRFfSLZUkqqI0UW3/w320-h237/IMG_20210220_180628-01.jpeg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg5EWnAUFxwCPYiKu-ZWphn-Rv_EZWveNSpsLPShbASyYlr0SL-NvBvteL5-8ww638Uc7UCm11ANEak_zTshpTbxXmmmyR6g0xUcLsE53I6rjTMoVkCJfwpK89a-DgbxQITbNVVV6YCAVZa/s4608/IMG_20210220_180732.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="4608" data-original-width="2304" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg5EWnAUFxwCPYiKu-ZWphn-Rv_EZWveNSpsLPShbASyYlr0SL-NvBvteL5-8ww638Uc7UCm11ANEak_zTshpTbxXmmmyR6g0xUcLsE53I6rjTMoVkCJfwpK89a-DgbxQITbNVVV6YCAVZa/s320/IMG_20210220_180732.jpg" /></a></div><div class="separator" style="clear: both; text-align: center;"><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhKpT9jRahHHNlZQyXHG9ijloK97Fz_5ta2qSaJ0Jyb3fu-UzgQq-DoaPfPd0Bp85sPYgIqfFFqOPn63LbBso3ajubgzLsQwI3FiX-TLAlsyyVZhBzCMoDmh4S-EJTkCo5IG9WP2balmnih/s4608/IMG_20210220_180716.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2304" data-original-width="4608" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhKpT9jRahHHNlZQyXHG9ijloK97Fz_5ta2qSaJ0Jyb3fu-UzgQq-DoaPfPd0Bp85sPYgIqfFFqOPn63LbBso3ajubgzLsQwI3FiX-TLAlsyyVZhBzCMoDmh4S-EJTkCo5IG9WP2balmnih/s320/IMG_20210220_180716.jpg" width="320" /></a></div></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDSiarogYFDXw7iIzN8d4Zu1Tw_AqZyz5LrZAcJl1Qr8T26_Z1slwHCYG19Q0bWWA7AaJKGzs0LDjTJv25A3g48MuaxCKQV_riWBnA0ckhyL7SSzJ2mlbguu3fx5pLcFyfhMMlSQ3zMBp5/s4608/IMG_20210220_185302-pixel.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="4608" data-original-width="2304" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDSiarogYFDXw7iIzN8d4Zu1Tw_AqZyz5LrZAcJl1Qr8T26_Z1slwHCYG19Q0bWWA7AaJKGzs0LDjTJv25A3g48MuaxCKQV_riWBnA0ckhyL7SSzJ2mlbguu3fx5pLcFyfhMMlSQ3zMBp5/s320/IMG_20210220_185302-pixel.jpg" /></a></div><br /><br /><p><br /></p>Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com0tag:blogger.com,1999:blog-6846508036831379214.post-275106384910220522020-02-16T17:11:00.005+08:002023-11-16T22:45:04.488+08:00Build: Spark Plug Tester <div dir="ltr" style="text-align: left;" trbidi="on">
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</div></div><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="float: left; margin-right: 1em; text-align: left;"><tbody><tr><td><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOvyJ2CEU2WykXBpoSdkO1C-g4cNchrSU9QuglIhSk6A_ZjU4krQWTjM4a5a_dWUCkrjcksewxCGp7VkG3LE1i_R51CBuRdco2_V8w2zYudJVR1HqaFZ6szJL8p5VN1psjH7gaueEbYWGm/s1600/DSC_0201_1.jpg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="1300" data-original-width="1600" height="259" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOvyJ2CEU2WykXBpoSdkO1C-g4cNchrSU9QuglIhSk6A_ZjU4krQWTjM4a5a_dWUCkrjcksewxCGp7VkG3LE1i_R51CBuRdco2_V8w2zYudJVR1HqaFZ6szJL8p5VN1psjH7gaueEbYWGm/s320/DSC_0201_1.jpg" width="320" /></a></td></tr><tr><td class="tr-caption"><span style="font-family: courier;"><b>Beware of 25,000 volts!</b></span></td></tr></tbody></table><div dir="ltr" style="text-align: left;" trbidi="on"><span style="font-family: courier;"><span style="font-size: medium;">A few years back, I had the incredible opportunity to take on a commissioned project for a dear friend of mine. The task at hand? Building a spark plug tester from scratch. It was an exciting challenge that allowed me to put my skills to the test and dive into the world of automotive engineering. Today, I want to share with you the story of how this project came to be and the journey I embarked on to bring it to life. After much delay and anticipation, I am thrilled to finally share my latest work with all of you. Life has a funny way of throwing curveballs, and unfortunately, publishing this piece took longer than expected. But hey, better late than never, right? </span></span></div><div dir="ltr" style="text-align: left;" trbidi="on"><span style="font-family: courier; font-size: medium;"><br /></span></div><div dir="ltr" style="text-align: left;" trbidi="on"><span style="font-family: courier; font-size: medium;">So, without further ado, here it is! Pouring my heart and soul into this project has been an incredible journey. From the initial spark of inspiration to countless hours of research and writing, every step of the process has been a labor of love. Ah, let me tell you about the exhilarating journey I embarked on with this project. </span></div><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="float: right; margin-left: 1em; text-align: right;"><tbody><tr><td><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjAdj-DYfEHTDLAaRJWxs_1Vg65xKe8waP3Y5TjG29bQNLiudV8uTFnai4LwjoiKYcowRH3BPUOKJva38kiDl2yJ3ohTDZU4SXTTNMhrR_aQBI5CPm7rmXAMbApAXsKl2bYipo7U4SyxpBc/s1600/protonperoduaparts_sparkplugwire.PNG" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="279" data-original-width="430" height="259" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjAdj-DYfEHTDLAaRJWxs_1Vg65xKe8waP3Y5TjG29bQNLiudV8uTFnai4LwjoiKYcowRH3BPUOKJva38kiDl2yJ3ohTDZU4SXTTNMhrR_aQBI5CPm7rmXAMbApAXsKl2bYipo7U4SyxpBc/w405-h259/protonperoduaparts_sparkplugwire.PNG" width="405" /></a></td></tr><tr><td class="tr-caption"><div style="text-align: center;"><span style="font-family: courier;">Example of a spark plug cable replacement part.</span></div><span style="font-family: courier;"><div style="text-align: center;">Courtesy photo from <i>ProtonPeroduaParts.com.my</i></div></span></td></tr></tbody></table><div dir="ltr" style="text-align: left;" trbidi="on"><span style="font-family: courier; font-size: medium;">It wasn't just about tinkering with electronics; oh no, it was so much more than that. The true thrill lay in the art of constructing the very foundation for the spark plug. When it comes to purchasing spark plug cables, your best bet is to head over to your local auto parts shop. There, you'll find a variety of options that include both the cable and ignition coil insert. However, it's important to note that some of these cables may be on the flimsier side. </span></div><div dir="ltr" style="text-align: left;" trbidi="on"><br /></div><div dir="ltr" style="text-align: left;" trbidi="on"><span style="font-family: courier; font-size: medium;">Unfortunately, they may not come with a latch or any mechanism to securely attach them to the construction box. So, I made the bold decision to embark on a thrilling adventure - building my very own creation from scratch. In my latest project, I decided to delve into the world of high-voltage generators. To achieve this, I opted for an old flyback transformer salvaged from a CRT TV. I couldn't resist the allure of repurposing this vintage piece of technology to power my circuit. </span></div><div dir="ltr" style="text-align: left;" trbidi="on"><span style="font-family: courier; font-size: medium;"><br /></span></div><div dir="ltr" style="text-align: left;" trbidi="on"><span style="font-family: courier; font-size: medium;">As you scroll through these images, you'll witness the transformation from mere blueprints. I am thrilled to share with you a project that has brought me immense joy and satisfaction. I sincerely hope that you will find it equally enjoyable, and I eagerly await your feedback and any similar projects you may have embarked upon.</span> <br />
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEifoqenjYhIgfohBGetUULwjgvp8J1PCD5QPO8VFFOBCxP7oOpfsGUbDUCpMtkfEq58vLaSBvTjJ_e4CX7l4m5Ht2hTKvMpsuuhEDdle6TghhjqUt7qoXHrepEfoj_qExpp4VQ43HbIdM8T/s1600/DSC_0204_1.jpg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="900" data-original-width="1600" height="180" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEifoqenjYhIgfohBGetUULwjgvp8J1PCD5QPO8VFFOBCxP7oOpfsGUbDUCpMtkfEq58vLaSBvTjJ_e4CX7l4m5Ht2hTKvMpsuuhEDdle6TghhjqUt7qoXHrepEfoj_qExpp4VQ43HbIdM8T/s320/DSC_0204_1.jpg" width="320" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: courier;">Always test your circuit first on a breadboard</span></td></tr>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjVvaoTZqcCKZ7KanjQlF28UhMli48dNpgNiyLjfpTTJ89wzOtKP3cJm0LNS4J9DSmTEkunII9ouHbnW1N0sMqy-eNLH0OJ7XVJg-PteQ-WQmWmUYehVpvzJPglXHRpNa1z4iI_VbUsq9S0/s1600/pcb_build.jpg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="402" data-original-width="402" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjVvaoTZqcCKZ7KanjQlF28UhMli48dNpgNiyLjfpTTJ89wzOtKP3cJm0LNS4J9DSmTEkunII9ouHbnW1N0sMqy-eNLH0OJ7XVJg-PteQ-WQmWmUYehVpvzJPglXHRpNa1z4iI_VbUsq9S0/s320/pcb_build.jpg" width="320" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: courier;">I built the PCB using the toner transfer <br />
technique for this project. Got a pretty good result.</span></td></tr>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqNcDvvQvocjLOwZsE98datKy4LEsp_Pl9H913-Z6udXNniLeefiKbn8hwWn0qzlQF9Nl7A7dY6sPQCmMq15e_M9Qr0_z8tnrYHq4Jz0jqWoNz3HGwX-msF_AKSi13d9fIOUVHAUaix1an/s1600/DSC_0294.jpg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="900" data-original-width="1600" height="180" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqNcDvvQvocjLOwZsE98datKy4LEsp_Pl9H913-Z6udXNniLeefiKbn8hwWn0qzlQF9Nl7A7dY6sPQCmMq15e_M9Qr0_z8tnrYHq4Jz0jqWoNz3HGwX-msF_AKSi13d9fIOUVHAUaix1an/s320/DSC_0294.jpg" width="320" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: courier;">I used the old CRT flyback transformer for this <br />
project and the 2N3055 transistor for the driver</span></td></tr>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUE1yFOulaLf2saoAiisXNfISCzWoWRMu_YPm3FneoqXezQYfqlrCU9q53fxO_eR-kTWCaqiyouRI01fP1q7QMIHM3P-VM0VCtByaWCVYB3V-FV6Uf_EXCTDuJE191uFldjhk-ERwdf5Q-/s1600/DSC_0316.jpg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="900" data-original-width="1600" height="180" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUE1yFOulaLf2saoAiisXNfISCzWoWRMu_YPm3FneoqXezQYfqlrCU9q53fxO_eR-kTWCaqiyouRI01fP1q7QMIHM3P-VM0VCtByaWCVYB3V-FV6Uf_EXCTDuJE191uFldjhk-ERwdf5Q-/s320/DSC_0316.jpg" width="320" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: courier;">This is what the inside looks like. The left side is the high-voltage<br />
circuit meanwhile the right side is the low-voltage supply</span><br /><br /></td></tr>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUpiKUTYmSqxDncmyRZ82AkoXKH0UFYbqxYYER-ypAgiVXAN31Q2kqw184jbg7bX-0an_LIJSq9f9G4BUeuPZf18cqNo8R4j0etTLKJF4OrJiBBCuiGFMt6FPxkK7Hd-ko0bg-P_6i0_dx/s1600/sparkplug_holder.jpg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="402" data-original-width="402" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUpiKUTYmSqxDncmyRZ82AkoXKH0UFYbqxYYER-ypAgiVXAN31Q2kqw184jbg7bX-0an_LIJSq9f9G4BUeuPZf18cqNo8R4j0etTLKJF4OrJiBBCuiGFMt6FPxkK7Hd-ko0bg-P_6i0_dx/s320/sparkplug_holder.jpg" width="320" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: courier;">A simple construction of the spark plug holder</span></td></tr>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKgnxsNyrT8-czdLL0nftio8iBDkmlYcjRi-4WyrGE-QLP6EN1bmFF9pA8RQcEjmhakmctyqDTv5-dL9YJ54iOR667RkypPRcDw42rcZ2K1uigc0NmMfwHjpNIEIdwmMf8RfiTuimAOigh/s1600/DSC_0370.jpg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="900" data-original-width="1600" height="180" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKgnxsNyrT8-czdLL0nftio8iBDkmlYcjRi-4WyrGE-QLP6EN1bmFF9pA8RQcEjmhakmctyqDTv5-dL9YJ54iOR667RkypPRcDw42rcZ2K1uigc0NmMfwHjpNIEIdwmMf8RfiTuimAOigh/s320/DSC_0370.jpg" width="320" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: courier;">The final construction with the protective plastic cover</span></td></tr>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiUmUEPTq-uBmVUeifyX3_xwOL8-oHZtNRf8RFjqP57pfksLfrA6HKd4WfFkwoe2ndiSoIdJekN3nlVjm054DSduepSzqq2x4et5VehJeCCOau4Nz9oG1zCYJRya0rEt63pBE4s4sL5Umu8/s1600/DSC_0372.jpg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="900" data-original-width="1600" height="180" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiUmUEPTq-uBmVUeifyX3_xwOL8-oHZtNRf8RFjqP57pfksLfrA6HKd4WfFkwoe2ndiSoIdJekN3nlVjm054DSduepSzqq2x4et5VehJeCCOau4Nz9oG1zCYJRya0rEt63pBE4s4sL5Umu8/s320/DSC_0372.jpg" width="320" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: courier;">Close up photo</span></td></tr>
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Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com0tag:blogger.com,1999:blog-6846508036831379214.post-53947878424564919152020-02-10T21:31:00.002+08:002023-11-17T09:31:08.426+08:00Woodwork: Tinkering an Armrest for the children IKEA chair<div dir="ltr" style="text-align: left;" trbidi="on">
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<div dir="ltr" trbidi="on">This past weekend, I decided to dedicate some time to my beloved craft. I recently came across a delightful find at Ikea - a charming wooden chair designed specifically for children. However, upon closer inspection, I couldn't help but notice that it was missing one important feature - an armrest. When it comes to teaching young children proper posture, there are a few key things to keep in mind. One important aspect is ensuring that their backs are straight and properly aligned with the back of the chair. This helps to promote good spinal health and prevent any potential issues down the line. Additionally, having a chair with appropriate armrests can also aid in maintaining proper posture. By providing support for their arms, children can avoid slouching or hunching over. </div><div dir="ltr" trbidi="on"><br /></div><div dir="ltr" trbidi="on">Let's talk about the importance of armrests for children. These little accessories serve a dual purpose - not only do they prevent the child from falling to the side, but they also help them push themselves up to sit properly. It's fascinating how such a simple addition can make a big difference in ensuring the safety and comfort of our little ones. </div><div dir="ltr" trbidi="on"><br /></div><div dir="ltr" trbidi="on">Today, I wanted to share a little DIY project I recently tackled. I decided to add an armrest to my trusty IKEA chair, and I must say, it has really transformed the look and feel of the piece. I thought it would be great to give you a glimpse of how it turned out, so I snapped a few pictures to share with you. Let's dive in and take a closer look at this little upgrade! </div><div dir="ltr" trbidi="on"><br /></div><div dir="ltr" trbidi="on">It may not be groundbreaking, but making small adjustments can provide better support for those who need it. So, I took this to my child's preschool class, and to my surprise, it captivated the attention of many young minds. The project was a simple build, yet it managed to pique the curiosity of the children. Have you ever come across a sturdy, solid, and low-cost children's chair that seems to be impossible to find? </div><div><br /></div>
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<tr><td class="tr-caption" style="text-align: center;">IKEA Chair with the arm rest mod</td></tr>
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<tr><td class="tr-caption" style="text-align: center;">My first time working on mortises and tenon <br />
technique for the arm. Not bad eh?</td></tr>
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Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com0tag:blogger.com,1999:blog-6846508036831379214.post-77187463056185007822016-09-25T01:12:00.001+08:002017-11-08T22:58:49.652+08:00Teardown: Sharp Air Purifier FU-Z31<div dir="ltr" style="text-align: left;" trbidi="on">
Air purifier has become an essential appliance in every home and especially during the hazy season, it sells like a hot cake. I bought this back in 4 years ago when the haze problem became intolerable in Malaysia. This is a basic air filter with HEPA filtration with Plasmacluster Ion feature from Sharp. I took this opportunity to tear it down when it requires thorough cleaning since the day I bought it. Let's get our curious mind going and look what's inside.<br>
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<tr><td class="tr-caption" style="text-align: center;">This is what inside the air purifier looks like. Simple isn't it?</td></tr>
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<tr><td class="tr-caption" style="text-align: center;">Up closed at the motor and ionizer unit</td></tr>
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<tr><td class="tr-caption" style="text-align: center;">Basically there are 3 sections on the controller board.<br>
Left section - Front panel controller circuit. Middle section - AC switching circuit, Right section - Power supply circuit</td></tr>
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<tr><td class="tr-caption" style="text-align: center;">Rear view of the controller board and where the brain is located</td></tr>
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<br></div><div class="separator" style="clear: both; text-align: center;">To know more about and which one suits you, visit air purifier guide<span style="text-align: left; font-family: sans-serif; font-size: 13.696px;">: </span><a href="http://www.reviews.com/air-purifier/" target="_blank" data-saferedirecturl="https://www.google.com/url?hl=en&q=http://www.reviews.com/air-purifier/&source=gmail&ust=1510239364430000&usg=AFQjCNFcwRvwhDO_-iIv6w6evCLOa40-8A" style="text-align: left; text-decoration-line: none; color: rgb(66, 133, 244); font-family: sans-serif; font-size: 13.696px;">http://www.reviews.com/air-pur<wbr>ifier/</a></div>
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Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com14tag:blogger.com,1999:blog-6846508036831379214.post-24621567440199785982016-06-01T08:00:00.000+08:002016-06-01T08:19:24.032+08:001-Day Build ~ Stall Bars IKEA Woods<div dir="ltr" style="text-align: left;" trbidi="on">
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My one day woodwork build stall bars using IKEA woods. </div>
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Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com7tag:blogger.com,1999:blog-6846508036831379214.post-15407961889579898222015-12-08T18:42:00.004+08:002016-06-01T00:54:39.684+08:00Makerspace in Penang Heritage Building Opens<div dir="ltr" style="text-align: left;" trbidi="on">
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Come all Penang "lang" (people in Hokkien dialect) to our new makerspace at Wisma Yeap Chor Ee, opposite the ferry terminal at Georgetown. Penang Science Cluster now opens a new center that equipped with cafeteria, training rooms, makers exhibition area and makerspace in the heart of Georgetown. Just officially launched on the 5th Dec 2015 by our Chief Minister of Penang Lim Guan Eng. We have yet to announced the membership process for public to use the makerspace but do come and check it out first. </div>
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Here are some of the facilities available at the makerspace and more to come soon...</div>
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-Laser cutting machine</div>
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-T-Shirt & badge printing</div>
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-3D printing</div>
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-Woodworking machine & tools</div>
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-Metalworking machine & tools</div>
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-MMA/TIG/MIG welding machine</div>
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-PCB making tools (coming soon)</div>
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-Soldering equipments</div>
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-Bench multimeter, power supply, scope, etc</div>
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-Electronic kits & modules (Intel, NI, Arduino, Cytron..etc)</div>
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-Personal workspace</div>
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-Sewing machine (coming soon)</div>
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-CNC milling machine (coming soon)</div>
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and more to come... </div>
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<tr><td class="tr-caption" style="text-align: center;">Personal electronic workbench equipped with instruments</td></tr>
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<tr><td class="tr-caption" style="text-align: center;">Electronic measurement instruments from Keysight Technologies</td></tr>
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</div><a href="http://hcygrizzly.blogspot.com/2015/12/makerspace-in-penang-heritage-building.html#more">Read more »</a>Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com1tag:blogger.com,1999:blog-6846508036831379214.post-9722580954709575632015-11-30T01:14:00.002+08:002016-06-01T00:55:11.082+08:00Learn to Solder - Maker Fest 2015<div dir="ltr" style="text-align: left;" trbidi="on">
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The makers were here again in Penang at sPICE arena on 14-15th Nov 2015 for the <a href="http://www.penangmakerfest.com/"><b>Penang Maker Fest</b></a> after we had the <a href="http://makerfairepenang.com/"><b>Penang Mini Maker Faire</b></a> last year. More stuffs, more things, more excitement and more crowds. How can I run away from organizing the Learn to Solder workshop after we had good response last year. However this year, I made it simpler while making it more fun and exciting for everyone to solder. Luckily this year I had more volunteers also to help me out in coaching the enthusiastic visitors to solder. The volunteers were great and tirelessly helping from 10am to 7pm on both days until we ran out of boards. Thanks to Motorola Solutions Penang and <a href="http://www.pscpen.com/"><b>Penang Science Cluste</b>r</a> for sponsoring the parts and PCB. I will let the picture below speaks to you.<br>
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<tr><td class="tr-caption" style="text-align: center;">Learn to Solder Workshop commence on the first day</td></tr>
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<tr><td class="tr-caption" style="text-align: center;">One of the volunteer trying to pin the blinky LED on our <br>
Penang Chief Minister Lim Guan Eng</td></tr>
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</div><a href="http://hcygrizzly.blogspot.com/2015/11/learn-to-solder-maker-fest-2015.html#more">Read more »</a>Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com0tag:blogger.com,1999:blog-6846508036831379214.post-73407380836156419782015-01-30T00:48:00.001+08:002015-01-30T00:51:12.997+08:00Teardown: Malaysia SmartTAG<div dir="ltr" style="text-align: left;" trbidi="on">
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<span style="font-family: inherit;">The "Touch 'n Go" card was first introduced in Malaysia in 1997 is an electronic payment system using Philips MIFARE system. The card is not only used in toll payment but also widely used in parking and public transportation system. Soon enough an on board vehicle device toll collection SmartTAG - acronym in Malay <span style="background-color: white; color: #252525; line-height: 22.3999996185303px;"><i>Sistem Membayar Automatik Rangkaian Tol</i> or </span><span style="background-color: white; color: #252525; line-height: 22.3999996185303px;">"Toll Network Automatic Payment System" was introduced to complement with Touch 'n Go card. </span><span style="background-color: white; color: #252525; line-height: 22.3999996185303px;">SmartTAG was designed, developed and manufactured by Teras Teknologi Sdn Bhd, a local company and with the intellectual property rights by an Austrian company known as EFKON Gmbh. The main function of the SmartTag is to </span>relay data between the card and toll system using infrared technology. </span></div>
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Taking the SmartTAG device apart is pretty straightforward. Just removing the battery cap and one Philip screw head will separate the casing. Basically there are three main electronics parts: main board, pick-up coil and the liquid crystal display. In order to to have a better view of the main board, I will need to desolder the 6-pin header connector from the pick-up coil board.</div>
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<tr><td class="tr-caption" style="font-size: 13px;">Top casing removed reveals the mainboard. This side consist of the main controller and Infrared LEDs</td></tr>
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<br></div></div><a href="http://hcygrizzly.blogspot.com/2015/01/teardown-malaysia-smarttag.html#more">Read more »</a>Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com45tag:blogger.com,1999:blog-6846508036831379214.post-90866516815177122822015-01-10T01:04:00.000+08:002015-11-30T01:18:21.830+08:00Certificate of Appreciation as PMMF14 Committee<div dir="ltr" style="text-align: left;" trbidi="on">
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Certificate of appreciation from Penang Science Cluster as part of the organizing committee for Penang Mini Maker Faire 2014 (conjunction with Penang International Science Fair). First certificate received with Penang Chief Minister Lim Guan Eng signature. Looking forward for 2015!</div>
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Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com0tag:blogger.com,1999:blog-6846508036831379214.post-47691087950331383462014-11-27T02:24:00.000+08:002015-01-10T02:51:44.510+08:00My 8x8x8 LED Cube at PMMF14<div dir="ltr" style="text-align: left;" trbidi="on">
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I spent almost 40 hours to build this. This project test my patience and soldering skill. If you want to build one yourself, follow this <a href="http://www.pyroelectro.com/projects/8x8x8_led_cube/"><i><b>site</b></i></a> that has a detailed step-by-step instructions with source code. I also purchased an 8x8x8 LED cube kit from eBay which I haven't construct yet. Will post it up once is done. </div>
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I showed this during the Penang Mini Maker Faire 2014 together with my friend's LED Message Board and 3D Cube booth. </div>
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</div><a href="http://hcygrizzly.blogspot.com/2014/11/my-8x8x8-led-cube-at-pmmf14.html#more">Read more »</a>Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com0tag:blogger.com,1999:blog-6846508036831379214.post-26245050596247737742014-11-26T01:53:00.003+08:002015-11-30T01:18:47.648+08:00"Learn to Solder" at Penang Mini Maker Faire 2014<div dir="ltr" style="text-align: left;" trbidi="on">
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The first in Malaysia, Penang Mini Maker Faire 2014 is over two weeks ago. The feelings from the fair are still fresh as if it all just happened yesterday. All the preparation and efforts made it a rewarding and unforgettable experience.<br>
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For my first Maker Faire I decided to throw in "Learn to Solder" workshop during the two days exhibition. Prior to the event, I had a little expectation from the visitors to participate in this workshop. The initial responses from my colleagues when I told them that I was going to do this were.. "Are you sure?", "I wouldn't want my kids to go near these things" and "Don't expect the response is good". At first I was skeptical about it too. Nevertheless, I wanted to prove them wrong. </div>
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To my surprise when we started at 9.30AM on the first day, people came streaming in non stop until we closed at 6.00PM. There wasn't a moment a soldering station was left empty. Luckily I have friends to assist me in the workshop, they were Hasrol, Derrick Teoh, Bernard Arokiasamy and YT Lee. We didn't have time for proper meals and our energy drained drastically in matter of hours. However, we splurged our energy to help the enthusiastic crowd. We were tired but exhilarated.</div>
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The sad part is when we ran out of the boards and components by noon on the second day. People who came later were disappointed especially the kids. We didn't expect the response to be so good. The first day has already used up two thirds of the total boards. So, we ended early and had some time to visit the other makers and exhibition booths. </div>
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</div></div><a href="http://hcygrizzly.blogspot.com/2014/11/to-solder-at-penang-mini-maker-faire.html#more">Read more »</a>Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com0tag:blogger.com,1999:blog-6846508036831379214.post-70280032132424885712014-09-29T20:41:00.002+08:002015-01-10T02:39:36.014+08:00PISF 2014 and First Penang Mini Maker Faire is here!<div dir="ltr" style="text-align: left;" trbidi="on">
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<span style="font-family: Arial, Helvetica, sans-serif;">This is first time in Malaysia and now is in Penang.</span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;">The Penang Mini Maker Faire. </span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;">Calling all makers. Come and show off what you're making. I will be there to show some interesting 3D LED cubes and to conduct soldering workshop. Be there or be square.</span></div>
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</div><a href="http://hcygrizzly.blogspot.com/2014/09/pisf-2014-and-first-penang-mini-maker.html#more">Read more »</a>Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com1tag:blogger.com,1999:blog-6846508036831379214.post-29767336576606389532014-09-29T02:52:00.000+08:002015-01-10T02:51:44.502+08:00Build: Vintage Sign Board with Running Lights - Part 3<div dir="ltr" style="text-align: left;" trbidi="on">
Hi! Welcome back and staying with me for part 3 of my project - The Wiring & Electronics for the vintage sign board project. I know it has been 6 weeks since from the last update on my blog. I was busy to welcome a new member into my family. I'm now a dad to my beautiful daughter. It was a joyful and happiest moment in my life.<br>
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Okay, back to my project. If you were wandering what was I trying to build with the ATTiny13 microcontroller which I posted on my blog on 15-June-14, here is the answer. To build a simple running lights using Arduino on ATTiny13 chip. Basically I needed 2 inputs and 2 outputs for the switches and a pair of lights. With the UNO or the MINI would probably under utilize and also not cost efficient. So, I decided to use the ATTiny13 which I had a few lying around on my table. I managed to get the tips from the open-source community on how to program the ATTiny13 with Arduino core easily. Refer to the <a href="http://hcygrizzly.blogspot.com/2014/06/attiny13-with-arduino-ide.html">link</a> for more information.<br>
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The circuit consists of a +5V regulated power supply for the entire board, the main controller and lastly the high voltage AC circuit to drive the incandescent bulbs. The optoisolator MOC3023 purpose is to drive the triac and isolate between the high voltage and low voltage circuit. I picked the BTA12-600 triac for this project to drive nine 230V AC bulbs at each time. The connection MT1 and MT2 should be correctly connected to Neutral and Live wire in order to work correctly. I had some problem earlier due to wrongly connected. Please be reminded that this part of the project involved high voltage electricity and can be fatal. If you're not sure, please consult a professional or don't do this project. Below is the schematic diagram.<br>
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</div><a href="http://hcygrizzly.blogspot.com/2014/09/build-vintage-sign-board-with-running.html#more">Read more »</a>Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com0tag:blogger.com,1999:blog-6846508036831379214.post-36057587818185913822014-08-22T01:53:00.003+08:002015-01-10T02:51:44.506+08:00Build: Vintage Sign Board with Running Lights - Part 2<div dir="ltr" style="text-align: left;" trbidi="on">
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<b>Part 2: The Wood Frame Board</b><br>
The woodworking part was the easiest part of the project. With the right tools available, woodworking can be very exciting and fun. The wood materials are not difficult to find and is inexpensive. I bought a piece of 2 1/4 inches width x 1 inch thickness x 8 feet wood for the frame and I had left over of 2 cm thick plywood from previous project used for the back ground board. Then I used a heavy duty stapler instead of screws and nails to hold the pieces together and shellac for the finishing.<br>
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Here were the tools I used for this part of the project: jigsaw, palm sander, bench drill, cordless drill, mitre guide, tenon saw, ruler, protractor, palm router, workbench stand, shellac and heavy duty stapler. Total 4 hours time spent.<br>
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</div><a href="http://hcygrizzly.blogspot.com/2014/08/build-vintage-sign-board-with-running_21.html#more">Read more »</a>Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com0tag:blogger.com,1999:blog-6846508036831379214.post-14519681420945298072014-08-16T01:22:00.003+08:002015-01-10T02:51:44.497+08:00Build: Vintage Sign Board with Running Lights - Part 1<div dir="ltr" style="text-align: left;" trbidi="on">
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<b>Introduction</b><br>
I made this project for my cousin's wedding reception. I was working with his brother-in-law from the beginning on an idea of vintage display board with the "Now Showing" sign. To make it look classic, I use the incandescent light bulbs like the one we see at the old theater sign board. Then equipped with 4 running light patterns (including ALL ON) to make it interesting.<br>
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<tr><td class="tr-caption" style="text-align: center;">Me posing with the sign board at the wedding night</td></tr>
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There are 3 parts in this project.<br>
Part 1: The Paper Lettering<br>
Part 2: The Wood Frame Board<br>
Part 3; The Electronics & Wiring<br>
This project involved arts & crafts, woodworking, wiring and electronics skills.<br>
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</div><a href="http://hcygrizzly.blogspot.com/2014/08/build-vintage-sign-board-with-running.html#more">Read more »</a>Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com3tag:blogger.com,1999:blog-6846508036831379214.post-12096777572638619132014-08-13T23:37:00.000+08:002015-01-10T02:53:28.129+08:00Maker Movement Documentary<div dir="ltr" style="text-align: left;" trbidi="on">
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If you haven't seen this, you should watch it. A documentary about Maker Movement. Be a Maker today!</div>
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Another inspiring Maker Movement video</div>
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Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com0tag:blogger.com,1999:blog-6846508036831379214.post-16714693438219793022014-08-04T02:05:00.002+08:002015-01-10T02:38:40.215+08:00My New Toy - Circular Saw<div dir="ltr" style="text-align: left;" trbidi="on">
Buying a circular saw is not an easy task. It took me a few trips down to the hardware shop before I decided to get one. Even that day I have to make tough choices when the seller showed me a few brands with the price ranges from RM250 ~ RM800 each. To name some of the brands like Makita, Einhell, Skill, Bosch, Mintian, Quasa...etc and which some are China brands.<br />
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There are few tips you can find on the internet on how to choose the right circular saw for yourself. For home user like me and of course running on a low budget, I decided to get something less than RM300. The seller recommended Quasa which is a branded China product with a good track quality records so far. After a series of negotiations I bought it at RM275. So, here is the picture of my new circular saw, it has a 1450W output power, comes with 40 teeth, 184 x 20 mm blade size. The first thing I will use it is to build my worktable soon. </div>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQneeFICus6gGw237xHGNiKds9TaOn9W9NC7ecWz6D6Dm-bKL2zvud0WT8DkcIp72l5yBJa-zadx6F8ox-_PLSmauamOu6S4-SDuPBM61hmR4nFD1a8H36QhMzAmWQIDO0qrdu96GXgiXG/s1600/DSCN8824.JPG" imageanchor="1" style="margin-left: auto; margin-right: auto; text-align: center;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQneeFICus6gGw237xHGNiKds9TaOn9W9NC7ecWz6D6Dm-bKL2zvud0WT8DkcIp72l5yBJa-zadx6F8ox-_PLSmauamOu6S4-SDuPBM61hmR4nFD1a8H36QhMzAmWQIDO0qrdu96GXgiXG/s1600/DSCN8824.JPG" height="320" width="240" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">Quasa Circular Saw</td></tr>
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Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com0tag:blogger.com,1999:blog-6846508036831379214.post-56430465142180189022014-07-28T00:49:00.000+08:002015-01-10T02:50:04.422+08:00Our Father, the Maker<div dir="ltr" style="text-align: left;" trbidi="on">
This Sunday morning mass, the word 'maker' struck me when I professed my faith together during the Nicene Creed - "We believe in One God, the Father almighty, <b><span style="color: red;"><i>Maker</i></span></b> of heaven and earth, and all that is seen and unseen..." Before this I didn't realize the word 'maker' is being used in the church all the while and I thought the word 'maker' is only often used in the makerspace community in this decade.<br />
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Isn't how wonderful is our almighty living God who is the greatest maker, who created the universe, and a supreme creator. The world is His perfect creation that made for all of us. And He did this for us because He loves us so much.<br />
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<i>"Abba Father, Maker of heaven and earth, I ask Thee for the gifts of making. With this gifts, help me to use them for good, and to glorify You. When I make, guide my hands and use them to heal not to destroy. Remind me everyday to admire your beautiful creation, and to praise You always. Amen"</i></div>
Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com0tag:blogger.com,1999:blog-6846508036831379214.post-70020248791845869782014-07-25T01:27:00.001+08:002015-01-10T02:53:02.152+08:00New Pi on the Block<div dir="ltr" style="text-align: left;" trbidi="on">
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhGIQ4sz_Gta2-_Xbv7pou9yxkDMQ0l_prhsQRUPHYKKkz5TqVJgW8Ugt_QkhoD-M0s2uPAVU0FhWRfj_QP7UXsngzakEwDANZnXeZpBU-1RIAPSHs-DbbaRUEPLtzhWxmuMBejCb98mOvT/s1600/rsz_b-.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhGIQ4sz_Gta2-_Xbv7pou9yxkDMQ0l_prhsQRUPHYKKkz5TqVJgW8Ugt_QkhoD-M0s2uPAVU0FhWRfj_QP7UXsngzakEwDANZnXeZpBU-1RIAPSHs-DbbaRUEPLtzhWxmuMBejCb98mOvT/s1600/rsz_b-.jpg" height="214" width="320" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">Latest Raspberry Pi model B+</td></tr>
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Just imagine I got my Raspberry Pi model B about a year ago and recently they just launched a new B+ version. My model B board is yet on my to do project list and tirelessly making effort to master Linux on the RPi board. Following this I will have to put more effort to find a project using the RPi. Working on a project helps me to accelerate learning. The good news is the price of the new B+ version is same with B. Element14 is selling at around RM120 which is at a reasonable price.<br />
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Sticking to the same BCM2835 processor, the B+ has more GPIOs compare to the model B with additional 14 pins (yeah! more hardware). However the Beaglebone black board still top in the list for number of GPIOs. The model B+ has top up to 4 USB ports which I think is a super cool upgrade. I found out that 2 ports is never enough and you will need a USB hub to work with more peripherals. The normal size SD card is replaced with microSD card in model B+. I'm neither too keen nor excited with this change. So, what am I going to do with my existing SD card? You're safe if you are using the microSD card adapter now. <br />
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So, there are few other improvements such as lower power consumption, lower noise supply which improve audio quality and better physical board arrangement gives a good favor in this new model. Eventually, I can't wait to get this board on my working table soon. </div>
Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com0tag:blogger.com,1999:blog-6846508036831379214.post-61167761041911830022014-07-12T01:33:00.000+08:002015-01-10T02:56:14.018+08:00A Simple PowerPoint Control Foot Switch<div dir="ltr" style="text-align: left;" trbidi="on">
As a guitarist in a praise & worship session, I will have problem flipping my lyrics with chords on the paper while I'm playing. I have to pause a little while and quickly flip the pages or press enter on my laptop if the lyrics is in the PowerPoint slides. This will cause a moment of interruption on my strumming. In order to solve this problem when I'm using my laptop to refer the chords and lyrics, I built a simple foot switch control to change the slides using an al'cheapo USB keypad which you can get it from the computer shop with less than RM20.<br>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh7WPzztGwHv1AQ8LffTjjlwk7NR0fS1lNUr0VzuK7wRItnqNQZGUJUtwsROlJImE0_iqUE8c5d4_QLmghRePxfUiKu27NvZrO2S6gpauakwRyI2IBhjT-DmyGTvAZaJLYxMvhoVR6z31HO/s1600/DSCN8399.JPG" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh7WPzztGwHv1AQ8LffTjjlwk7NR0fS1lNUr0VzuK7wRItnqNQZGUJUtwsROlJImE0_iqUE8c5d4_QLmghRePxfUiKu27NvZrO2S6gpauakwRyI2IBhjT-DmyGTvAZaJLYxMvhoVR6z31HO/s1600/DSCN8399.JPG" height="240" width="320"></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"> My PowerPoint Foot Switch Control Box</td></tr>
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</div><a href="http://hcygrizzly.blogspot.com/2014/07/a-simple-powerpoint-control-foot-switch.html#more">Read more »</a>Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com2tag:blogger.com,1999:blog-6846508036831379214.post-21249061438285143882014-06-30T02:21:00.001+08:002015-01-10T02:46:26.055+08:00PCB UV Exposure Box<div dir="ltr" style="text-align: left;" trbidi="on">
One of the coolest stuff that I made was the PCB UV exposure box. Over the years I've been using my table lamp as the light source to expose my presensitized PCBs. There have been failures and successes using the table lamp. Quite a number of incidents of over exposing and will have to redo. And is quite expensive to buy a presensitized board here. So, last year I decided to build one and never to face these problems again. <br />
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiPXrOuX9vBjPzFCegX7di8Ymgzt3uKKNNY5CR7wyopiRFVczbkdN8j0WdwW970Hgb0Mq5MMJeUA2eSobPr2wKrskNDN1XJ0v_kBsF1m2uMcAX4sf13oKAyKkHHJu_eQdS09Wk3YxM5SRdj/s1600/20130618_071330_Android.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiPXrOuX9vBjPzFCegX7di8Ymgzt3uKKNNY5CR7wyopiRFVczbkdN8j0WdwW970Hgb0Mq5MMJeUA2eSobPr2wKrskNDN1XJ0v_kBsF1m2uMcAX4sf13oKAyKkHHJu_eQdS09Wk3YxM5SRdj/s1600/20130618_071330_Android.jpg" height="320" width="240" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">My old method using the table lamp to expose the PCB</td></tr>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAoOIYinWQKpImKJIjNAvGp6nhf6EObyzMeUkh1wnL0tNKvrn7hDewp40PMFTqVJcKUNLPivrcnDXAJSnXKefdrR9w5ng8gqVQznVSCam5GlDhFj8ZMP3UbyhG1bFGzcAh3LUjnnsh2Fpr/s1600/20131118_025156_Android.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAoOIYinWQKpImKJIjNAvGp6nhf6EObyzMeUkh1wnL0tNKvrn7hDewp40PMFTqVJcKUNLPivrcnDXAJSnXKefdrR9w5ng8gqVQznVSCam5GlDhFj8ZMP3UbyhG1bFGzcAh3LUjnnsh2Fpr/s1600/20131118_025156_Android.jpg" height="225" width="400" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">My homemade PCB UV Exposure Box</td></tr>
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The box is made out of MDF (medium density fibreboard) board recycled from a packing box. The piece of glass was from a picture frame I bought from a RM2 shop in Taiping. The rest of the items such as UV lamps and electronic ballasts were bought from a local electrical store, Thye Huat. Below are some more photos and please visit my <a href="http://www.instructables.com/id/PCB-UV-Exposure-Box/">Instructables</a> website for the steps-by-step instructions and the materials I used.<br />
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhei20kCC5VbttuWNZ3oo3dI5eoAjLV8DiZfezGpN-SZUYozIpCKj6sb7ucXX-n6pTzPkVZ4vQwdGozr3RsbCNUWLR5Vncs9wFw_sVHIptYY1ySSl1olA0O15EjBpOXJLsHeVwIbv8tf7sk/s1600/20131101_101750_Android.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhei20kCC5VbttuWNZ3oo3dI5eoAjLV8DiZfezGpN-SZUYozIpCKj6sb7ucXX-n6pTzPkVZ4vQwdGozr3RsbCNUWLR5Vncs9wFw_sVHIptYY1ySSl1olA0O15EjBpOXJLsHeVwIbv8tf7sk/s1600/20131101_101750_Android.jpg" height="225" width="400" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">UV lamps</td></tr>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8JlBq79TsYJDuR2kr41iVurIZXFqkwt0VdFXijflBq-xAdv2uu8k1iZVnQZXGWvOKzZRvxTdUF9UP9OSwoPzb-Sq5VlzCPfwJdOEj-l-OsX5FdOHyjZCKX5e2YcnZRHmhJfm-uXEB6KOG/s1600/20131026_193610_Android.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8JlBq79TsYJDuR2kr41iVurIZXFqkwt0VdFXijflBq-xAdv2uu8k1iZVnQZXGWvOKzZRvxTdUF9UP9OSwoPzb-Sq5VlzCPfwJdOEj-l-OsX5FdOHyjZCKX5e2YcnZRHmhJfm-uXEB6KOG/s1600/20131026_193610_Android.jpg" height="400" width="225" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">Reused MDF boards that cut into sizes</td></tr>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjY2y2HyQohyphenhyphenRnYXzpAtD2LqSJE0qFA5PdDEaCeixsjoHpDby9zr1Dh1g8dNccBQuzXd4u1lrQjSDOPTRazcL9LfDYfuU7iAcr5uxmYpRZ76RzdTl8eKHAcbMuDYOHRm2MO5oB3951MTreK/s1600/20131118_024822_Android.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjY2y2HyQohyphenhyphenRnYXzpAtD2LqSJE0qFA5PdDEaCeixsjoHpDby9zr1Dh1g8dNccBQuzXd4u1lrQjSDOPTRazcL9LfDYfuU7iAcr5uxmYpRZ76RzdTl8eKHAcbMuDYOHRm2MO5oB3951MTreK/s1600/20131118_024822_Android.jpg" height="400" width="225" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">Completed box with the cover</td></tr>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYMfxaSKe_jfEopFgcTqgXuNulQWSLOzbI75Te9X7CvuEdrZNynxnSbAC55gvXPjU12QKbpMecEIpbL-85khArmOwmP4lNhP8itRyynFuj9oUmMYoo1PdED37GmO5gFIg_0hoktKZ7c8pI/s1600/20131224_071132_Android.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYMfxaSKe_jfEopFgcTqgXuNulQWSLOzbI75Te9X7CvuEdrZNynxnSbAC55gvXPjU12QKbpMecEIpbL-85khArmOwmP4lNhP8itRyynFuj9oUmMYoo1PdED37GmO5gFIg_0hoktKZ7c8pI/s1600/20131224_071132_Android.jpg" height="225" width="400" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">Here is the result</td></tr>
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Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com0tag:blogger.com,1999:blog-6846508036831379214.post-2966461594990200222014-06-26T03:05:00.002+08:002015-01-10T02:41:01.589+08:00One man's trash is another man's treasure<div dir="ltr" style="text-align: left;" trbidi="on">
Guess what I found at the recycle collection area at my apartment just now. I was searching for a used oven since a year ago. Believe it or not, is still working perfectly. Guess what I'm planning to do with this oven?<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgEe8sPxnq-AQyE_Nqjj48IU2aZZvCtJb1cX9-3Bby8WypK9A9WhmFoXFsULt_htgZWIzUYcBAUhOnbCk0K_kE_YG6FIBmJwSDpEnvs8TI2Jl2EtymZe1-Hh9BZqLRIu5M9fSI4-UfZl3hp/s1600/DSCN8633.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgEe8sPxnq-AQyE_Nqjj48IU2aZZvCtJb1cX9-3Bby8WypK9A9WhmFoXFsULt_htgZWIzUYcBAUhOnbCk0K_kE_YG6FIBmJwSDpEnvs8TI2Jl2EtymZe1-Hh9BZqLRIu5M9fSI4-UfZl3hp/s1600/DSCN8633.JPG" height="240" width="320" /></a></div>
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To bake cake...Nope. But if you guess as a reflow oven...you're right! What is a reflow oven? Generally is an oven for reflow soldering of electronic components onto the printed circuit board (PCB). It will be useful for producing a lot of PCBs with SMT components.<br />
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Some modifications will be required before I can use as a reflow oven. I will build a controller board that will measure the temperature and control the heating element following a predefined profile temperature. Another exciting project coming up!<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhtQ3AtgcmBh72_V3ExRZuzjz1m_0yxiqivgs-q7JmmuNxCQDi1XgPYVxbU6g_cOq-twIboW_j_1_jNi2aULQNngMBdWEoWPOzQ4Klq3Swj6yOaOQpplJHw_PLbbQ7ZmnYJvkv7MEgP0wpy/s1600/Reflow+Oven+Block+Diagram.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhtQ3AtgcmBh72_V3ExRZuzjz1m_0yxiqivgs-q7JmmuNxCQDi1XgPYVxbU6g_cOq-twIboW_j_1_jNi2aULQNngMBdWEoWPOzQ4Klq3Swj6yOaOQpplJHw_PLbbQ7ZmnYJvkv7MEgP0wpy/s1600/Reflow+Oven+Block+Diagram.PNG" height="258" width="320" /></a></div>
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Proposed basic block diagram of the controller for reflow oven</div>
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Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com0tag:blogger.com,1999:blog-6846508036831379214.post-53386643247094984922014-06-16T02:11:00.002+08:002015-01-10T02:49:54.417+08:00My Little Humble Workspace<div dir="ltr" style="text-align: left;" trbidi="on">
Some people spend most of their time in front of the TV or shopping or sleeping especially during the weekends. I spend my most of my time here, my little humble workspace. This room is not a dedicated workshop at somewhere else but is in my house. Yes, my little apartment where I'm staying with my wife and soon with my kids. We have 3 rooms and I transformed the third room into a workspace or so call personal office. My wife and I share this room for office work, building my projects, jamming and relaxing.<br>
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Half of the room is my workspace. From the pictures below, starting from the left side of the room are my bench top drill, the new 3D printer, component racks, worktable equipped with soldering station, multimeter, homemade power supply and hand tools. The right side corner of the room is the repository area. Below the table I have a old cut off saw and angle grinder which my father gave it to me. Recently I just bought a foldable workbench where I'm using it for woodworking outside my house, a wood router, palm sander and a cordless drill. You can see my homemade PCB UV box at the top of the rack in the third photo.<br>
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</div><a href="http://hcygrizzly.blogspot.com/2014/06/my-little-humble-workspace.html#more">Read more »</a>Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com1tag:blogger.com,1999:blog-6846508036831379214.post-57631561915802764782014-06-16T00:13:00.001+08:002015-01-10T02:51:44.515+08:00ATTiny13 with Arduino IDE<div dir="ltr" style="text-align: left;" trbidi="on">
<span style="font-family: Verdana, sans-serif;">Some projects that I'm working do not require more than three I/O pins. Arduino UNO and even the Arduino MINI are little more than I need. I need less than 5 I/O pins, using internal clock, small, cheap and easy to program > Arduino IDE. So, I found the ATTIny13 and this <a href="http://elabz.com/arduino-shrunk-how-to-use-attiny13-with-arduino-ide/">website</a> provides the step-by-step instructions how to program the ATTiny13 using Arduino's IDE with AVRISP MKII. </span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHL0gYLtF5V6fWrjvp553PI3I9alaXGNtE9iIfdeIljgcXNvJWiSyVVxsy2zZD1zN00ulYo91JW8WbnXIeXjZahBQhsMQKMC21kcqAIAPRjGL33CQLBsOV50tZ0NxllDSXE7DXTGfwsekp/s1600/DSCN8530.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: Verdana, sans-serif;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHL0gYLtF5V6fWrjvp553PI3I9alaXGNtE9iIfdeIljgcXNvJWiSyVVxsy2zZD1zN00ulYo91JW8WbnXIeXjZahBQhsMQKMC21kcqAIAPRjGL33CQLBsOV50tZ0NxllDSXE7DXTGfwsekp/s1600/DSCN8530.JPG" height="240" width="320" /></span></a></div>
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<span style="font-family: Verdana, sans-serif;">I used the <i>smeezekitty's core13</i> library. But I used the <i>core13_018</i> version and no luck with the latest <i>core13_18_5. </i>Not sure why the latest version doesn't work on my PC. Anyway, this will open the door to my many other mini projects that doesn't require a lot of I/Os and cost. Mainly my reason is that I have a handful of surface mount type ATTiny13 lying around from my previous project. </span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgt8fPL_If8lBWWMVY5HtxIFWIfRZdK7uMnWSaelkoxcGWBnCpskIQ9F9Ba17Pl7TTBOhO6jAs9eiwCp1mUyJz19z_GL09CMz6_AjH5FgKUTHbw0BbBXFJwtoQTCvfM7Tj25dAOeAZVjPW6/s1600/DSCN8532.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: Verdana, sans-serif;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgt8fPL_If8lBWWMVY5HtxIFWIfRZdK7uMnWSaelkoxcGWBnCpskIQ9F9Ba17Pl7TTBOhO6jAs9eiwCp1mUyJz19z_GL09CMz6_AjH5FgKUTHbw0BbBXFJwtoQTCvfM7Tj25dAOeAZVjPW6/s1600/DSCN8532.JPG" height="240" width="320" /></span></a></div>
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<span style="font-family: Verdana, sans-serif;">My first project with ATTiny13 will be for display board running lights. To connect to AC230V incandescent bulbs with speed control and blinking modes. Will use triacs, optoisolators and voltage regulator for this project. Will post up in my blog when is ready.</span></div>
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Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com0tag:blogger.com,1999:blog-6846508036831379214.post-29711932120431682772014-05-06T17:20:00.000+08:002015-01-10T02:36:35.808+08:00Our First 3D Printer<div dir="ltr" style="text-align: left;" trbidi="on">
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This is our (Wei Keong and me) first 3D printer, the UP! Mini. Quite an impressive and affordable range of 3D printers. For more information about the printer, visit<a href="http://www.pp3dp.com/"> http://www.pp3dp.com</a></div>
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First trial was a disaster. The picture in the hall of shame. </div>
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Finally, my first success print of MAKE robot.... "HOORAAY!" </div>
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I've uploaded the time-lasped video making of the MAKE robot. Enjoy!</div>
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Bernard Hiewhttp://www.blogger.com/profile/09020127593462944098noreply@blogger.com0