T&L Publications

I know Kmart has them but they stay on all the time I want the LED to light only when under water. I'll try the Rons idea and pleace give me some more ideas if you have them. I'll let you guys know if Rons idea works. thanks Ron!

Hi,<p> I need help!!! I'm a student in college for electronics. I'm trying to make a a bobber that will light up when it goes under water. It will run on a 3 volt battery and will have a couple of wires hangin out of it. When it hits the water that will complete the circuit and a LED will light. Now...

Ok, since I'm only going to school for electronic Technition and NOT engineering. I think this is way over my head. Thanks a bunch for all the replies. I really appreaciate it.

Hi I'm a student for electronics and a friend asked me if I could make a heated bobber for ice fishing out side so his slip bobber will still slip. I've look all over the place to find somehow to heat this bobber without getting it too hot so it don't burn the string or himself. Does anyone have any...