This article discusses a method through which any ready made SMPS can be converted into a variable current smps circuit using a few external jumper links. In one of the previous articles I have explained how to make a variable voltage SMPS circuit by employing a simple shunt regulators stage, ...
Fused leads for voltage measurement are a stupid idea in my opinion. I know the correct procedure is to always check with a known voltage before *and* after testing an unknown circuit, but you should make it hard for people to mistakingly believe the circuit is off, not easy by having a...
the problem could be a bad switch or a bad power window motor. Use a fused jumper wire to bypass the switch and route power directly to the motor. If the window now moves, the problem is a bad switch. Replace the switch. If the motor does nothing, the problem ...
Leaks in boiler or piping must be repaired at once to prevent makeup water. • Do not add cold water to a hot boiler. Thermal shock can cause heat ex- changer to crack. Freeze protection fluids — • NEVER use automotive or standard glycol antifreeze. Use only freeze- protection ...