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Board straps to bicycle spokes, lights up when you start moving!

Riding a bicycle at night can be dangerous. Having lights on your bike can help, even better if they come on automatically!


PCB - KiCAD project available on GitHub, PCBs produced by NextPCB
ATtiny85-20SU [eBay]
Low Sensitivity Vibration Sensor
0805 resistors (4) a sample book can be extremely useful
0805 LEDs (4) [Amazon]
CR2032 Battery
CR2032 Battery holder - as seen in video, had a hard time with either one
Solder paste [Amazon]
DIP switch (1 position - optional, can use wire instead)
Capacitor (2200uF used, could likely go smaller)
Zip ties (4)”

Link to article