pftburger: Closed / Screwed on
pftburger: Sanded down LED
pftburger: Latching Circuit - Working
pftburger: Latching Circuit - Working
pftburger: Latching Circuit - Broken
pftburger: Latching Circuit - Broken
pftburger: Prefab stereo amp - Front
pftburger: Prefab stereo amp - Back
pftburger: Leaving it in too long
pftburger: Nice and clean
pftburger: Cleaning it with Antipersperant
pftburger: Rinsing the Acid off
pftburger: Etching the Expopsed copper
pftburger: Pop it in the Acid
pftburger: Etching in a test tube (for effect :P )