touch sensor LED

touch sensor LED is a simple led circuit. the led switches on when we touch the two terminals of the wire

Step 1: Parts List

1 x  2N3904 transistor or any other npn transistor
1 x   470r resistor ( yellow violet brown)
1 x   330uf capacitor
1 x  LED ( 3v ,any colors you like)
1 x 9V battery 

Comments

[Robot Lover]

I recently made the same thing. I was using a capacitor, transistor and resistor at first, but i managed to limit it to just a transistor!

[jensenr30]

you should try making your schematics in EAGLE!
it's way better than anything I've ever tried.

http://www.cadsoftusa.com/download.htm

nice inst'able!

[sooraj619]

thanks

[vishalapr]

This is marvelous !
Rated 4.5*, Have a look at my ibles as well!