Radio controlled bicycle back light

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Project Radio controlled Bicycle back light
RF achterlicht 2,0.png
A battery powered bicycle back light that can be used to find your bike.
Status Initializing
Contact Mahjongg
Last Update 2018-01-16

My nephew asked me if I could help him design a school project, a bicycle back light that could be remotely controlled to blink and emit sound.

I engineered a solution around a 315MHz receiver. This is the (updated to rev 2.1) schematic. [File:RF Achterlicht rev2.1.pdf]