Useful for electronics hobbyists, this linear workbench desktop power supply circuit converts a high input voltage (12V) from the SMPS of a PC into low. Aspencore network. ... Connect a standard ...

Are you certain that your AC voltmeter is safe to measure an incoming 480V power feed? Sure, the manufacturer may rate the meter as good for “600VAC,” but is that sufficient? Let’s look closer at volt ...

We’ll follow the circuit diagram carefully starting from the positive side of the battery. Once complete, we’ll add the voltmeter. Speaker two Okay, remember that an ammeter is always ...