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Spycam Circuit

Spycam Circuit PUBLIC

Camera triggered by Arduino

by kwyjib0 | updated January 29, 2013

7805   arduino   attiny85   digispark   spycam   usb-charger  

Bicycle-Electric 12V/5V for hub-dynamo

Bicycle-Electric 12V/5V for hub-dynamo PUBLIC

This is a little project for a bicycle electric with LED Lights. The used lamp is an AXA Luxx70 which has its optimal operation point at 7.0V. Below 7.0V the lamp lights in "steady-light" mode at...

by ronnsn | updated November 10, 2012

12v-dc   5v-dc   7805   7812   7v-dc   bicycle   led-light   lm317  

9V PP3 to 5V

9V PP3 to 5V PUBLIC

How to use a 9V PP3 battery to power a 5V circuit.

by dpmarsh | updated March 06, 2012

1n4007   5v   7805   9v   pp3   tantalum  

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