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Step 6Apply the Finishing Touches
I used my cheap Casio label printer to make some labels to remind me what terminal is what.
One notable flaw with my design is that it relies on the overload circuitry of the power supply. It's hard to add a fuse without cracking open the power supply, and to fuse each output would have been more work. ATX power supplies are cheap. Some may have internal overload protection and some may not. I'll take my chances. That's the beauty of my design, I can just plug in another ATX power supply if the first one fails.
Another problem may be that the lighted switch won't pull enough current to keep the power supply running. If it didn't, you would have to add a load resistor to one of the outputs, or in series with the power to the lighted switch.
One notable flaw with my design is that it relies on the overload circuitry of the power supply. It's hard to add a fuse without cracking open the power supply, and to fuse each output would have been more work. ATX power supplies are cheap. Some may have internal overload protection and some may not. I'll take my chances. That's the beauty of my design, I can just plug in another ATX power supply if the first one fails.
Another problem may be that the lighted switch won't pull enough current to keep the power supply running. If it didn't, you would have to add a load resistor to one of the outputs, or in series with the power to the lighted switch.
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