Oct 19 2017
Genius Dude vs The Personal Space Invaders (Part 5)
5/5 from 4 ratings
Anyone got any ideas for building for your own variable resistor?
I know the carbon in pencils works, but if I make a device that "wipes" along a pencil carbon trace, it will probably wipe away after a while. I'm thinking I'll have to get some resistance wire for something more durable.