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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
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Signing UpStep 1Make 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.
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