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LED traffic light

LED traffic light

Domen Ipavec shared his DIY LED traffic light in the project log forum:

Traffic lights are all around us, and they seem simple enough but are they really? Real traffic lights can be a very complicated system because it requires sophisticated control and coordination for smooth and safe traffic.
The traffic light I made is much simpler. My sister works in a kindergarten where kids needed a simple traffic light for when they are riding their bikes on the playground.
The traffic light uses some cheap LEDs from China, a step-up converter and an Atmel attiny841 microcontroller to change the light from red to green at a programmed interval.

More info at Domen Ipavec’s blog.

Via the forum.

Check out the video after the break.

 

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