Monthly Archives: June 2017

Repair Yihua PS-3010D Power Supply Stuck at 50 Volts

I have a Yihua PS-3010D 30V 10A power supply and one day it would only output 50V. After doing some measuring with my volt meter it looked like the top supply rail was shorted to the output. I could see … Continue reading

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Build a Cheap 24V 20A Battery Charger

I have a 24 volt battery bank I use to run an off grid well pump. On cloudy days, sometimes I want to run the well to test out sprinklers, etc. So I wanted a battery charger that could put … Continue reading

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Cheap Trick to Remove a Frozen Ferrule

Replacing a leaking cutoff valve for a toilet or faucet is pretty simple, expect for when the old ferrule/compression ring get stuck on the water pipe. This happened to me the other day, and I did not have a puller … Continue reading

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