Posted on Thursday, June 28th, 2012 in Videos by Ian
Old ATX computer power supplies are cheap-to-free, and make great lab supplies if you’re willing to add a resistor and short a few wires. Sjaak whipped up an ATX breakout board as an easier way tap and control an ATX supply without any messy hacks.
3.3, 5, 12, and -12 volts are routed from the ATX connector to screw terminals on the breakout board. Each rail has a 1.25 amp resettable polyfuse to protect projects from the full 30amps+ some power supplies output. This workshop video is about the breakout design and features.
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