Police type flashing rear light for bicycles

A product powered by pic 12F675 microcontroller. The circuit drives 6-8 leds separated into two groups which can be red and blue, imitating a police type rear-front flasher.

Product

Product

2

Clips to the seat post

 

Circuit Schematic

Circuit Schematic. Though the leds are on for a brief period ( a flash ) a series resistor can be omitted. If you want to have even smaller power consuption, a 470R resistor can be placed in series to all the leds.

 

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