Bullshit-O-Meter
This was a joke I made for a person I worked with. There was a lot of crap going down at the office and I wanted to do something to make them laugh. I was wandering around Radioshack and saw these battery testers on clearance for $5. I rewired the voltage selection switch to be an on/off switch and made a quick graphic in Photoshop. All you do is turn in on and whoever you're pointing it at is instantly full of shit. It's also still a decent battery tester. :-)
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