The “5 minute” agitator

This is why Arduino is awesome: 5 minutes, some junk, instant PCB etching agitator!

Confused about whats going on here? Basically Matt Stultz, my fellow cohort at Hack Pittsburgh, was etching a custom PCB breakout board and got tired of agitating the acid bath by hand. Since I’m such a nice guy, I quickly whipped up a little agitator system using a surplus servo unit and an Arduino microcontroller to control it.

The sketch looks something like this:

#include <Servo.h>
Servo myservo;
void setup() {
void loop() {
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