This is a simple LED torch.The specialty of this circuit is this circuit helps you to operate your torch for many hours.Here I have used 2W LED.Through this circuit you can light up your torch about one month.Here I have used a common IC 7555.This circuit operates with 6V But if you like to operate this circuit with 9V or 12 V you have to change R3 .If you use 9V use 470 Ohm.If you use 12V use 560 Ohm.
Note
# Build this circuit on a PCB
# Don't use NE555 instead of 7555
# Use alkaline batteries
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