The initial idea was to build this LED flashlight:
The professor said we should try building a circuit that powers 5 LEDS and see if it is as efficient, as far as power, as circuit with the chip.
Any circuit ideas or suggestions?
- http://www.popsci.com/flashlight
- http://nutsvolts.texterity.com/nutsvolts/200802/?pg=34
- http://nutsvolts.texterity.com/nutsvolts/200802/?pg=35
The professor said we should try building a circuit that powers 5 LEDS and see if it is as efficient, as far as power, as circuit with the chip.
Any circuit ideas or suggestions?