Lord of the Lights

One Light to burn them all :-)
A little sunday afternoon project and my 2ct for a better world; old and "empty" cells can be reused down to 0,5V. This flashlight works with AAA, AA and coin cells. With a little change in the inside you can also put in a 9V battery.

Specs:
- 2x 3V white LEDs
- AAA or AA cells (2 cells possible)
- Coin cells (stackable)
- 9V block (the wall between "AAA" and "electronics" needs to be removed)
- works with 1 cell down to 0.5V to produce 3V

electronic