Christmas DIY project for children 2/3: Traffic Light Soldering Kit

By on December 16, 2015
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Stop and Go Kit v1

This is a soldering kit that you build yourself! The holes on the base of the stop-and-go light are LEGO compatible so you can build this kit into your various brick projects. You are welcome to create a derivative of this kit as long as it abides by the open source hardware definition.

This kit cycles through a red, yellow, and green LED from an ATtiny85. The code is written in Arduino.

This kit assumes you know how to solder. If not, there are plenty of online tutorials on how to solder. The kit is fairly quick to put together, roughly 10 minutes, and the chip has been programmed for you!

Materials and tools:

Here are the parts you’ll need to get stared:

3 LEDs (with a max current of 20mA)

1 220-ohm Resistor

2 47-ohm Resistors

1 ATtiny85

1 battery holder

1 3v battery

1 switch

Here are the tools you’ll need to get stared:

Soldering Iron


Wire Clippers

Here you can find more info and a video showing what to do!

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