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.
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 link for more information.
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.
Below I've compiled some photos with simple explanation on the steps to build the circuit. Since this circuit is simple and didn't use many components, I used the veroboard for this project. Finally I put all into a plastic casing for safety purposes. I used lots of glue gun to hold the boards and encapsulate some high voltage points inside the box. Total time spent on electronics - 3 hours.
On the subsequent photos below are the wiring steps and finally the paint job. Total time spent on wiring and paint job - 2 hours.
I hope the pictures will tell a thousand words. But if you interested to know more or give me any feedback, please feel free to contact me through my contact page in my blog. Until then... happy making!
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 link for more information.
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.
Below I've compiled some photos with simple explanation on the steps to build the circuit. Since this circuit is simple and didn't use many components, I used the veroboard for this project. Finally I put all into a plastic casing for safety purposes. I used lots of glue gun to hold the boards and encapsulate some high voltage points inside the box. Total time spent on electronics - 3 hours.
On the subsequent photos below are the wiring steps and finally the paint job. Total time spent on wiring and paint job - 2 hours.
I hope the pictures will tell a thousand words. But if you interested to know more or give me any feedback, please feel free to contact me through my contact page in my blog. Until then... happy making!
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