Introduction: Switchless Flashlight
I am going to show you how to make a flashlight that turns on when you pick it up.
NO SWITCH!
You need:
2) 3904 transistor (NPN bipolar)
1) 9v
1) 9v clip
1) white led
1) wire
3) double sided tape
2) foil
NO SWITCH!
You need:
2) 3904 transistor (NPN bipolar)
1) 9v
1) 9v clip
1) white led
1) wire
3) double sided tape
2) foil
Step 1: Make Metal Pads
1. Take a piece of double stick tape and put wire on it.
2. Put foil over it.
3. Trim foil.
2. Put foil over it.
3. Trim foil.
Step 2:
Build the circuit.
Step 3:
You are done!