this post was submitted on 22 Jul 2024
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Tangentially related: we've got an electric sit/stand desk that sometimes needs the controller resetting, but the only way to do so is to unplug it and wait for the capacitors to discharge, which takes at least 12 hours or so. I wonder if I can just add a push button and a resistor... 30 seconds is annoying, but would be a huge upgrade from can't-move-desk-until-tomorrow...
Crickey 12 hours, that’s interesting as residual current would normally be drawn after power removed. Depending on the voltage on the capacitor a resistor would discharge it. Make sure it’s not pulling too much discharge current if you try that.