thefekete.net

$> :(){ :|:& };:

Two Simple Guitar Amps

Was messing around the last couple of days with my guitar, and got a little too close to the electronics bench…

I ended up with the following small amp circuits (I say small, but these things are louder than shit through a 1×12 cabinet):

Single LM386 1/2W Amp

Dual LM386 1W Amp

Here’s a pic of the bridged circuit on the breadboard:
Breadboarded Bridged LM386 Amp

Anyways, waiting for some JFETs in the mail so I can wire up some proper preamps.

These closely follow the the example circuits in the datasheet, but many thanks to runoffgroove.com for the great examples – particularly the little gem designs.

Transistor / MOSFET Cheat Sheet

Here’s a little cheat sheet to keep your Bases/Collectors/Emitters and Gates/Drains/Sources straight:

Transistor / MOSFET Cheat Sheet

Thanks to wikipedia’s transistor article for the graphics.

Arduino Library for LM75 Temp Sensor

I just put together a quick and dirty library for the LM75 I2C temp sensor. You can theck it out on my GitHub project page.