How to Build a Bench-Top Power Supply

A key component of any electronics project is the electricity. You could use endless amounts of batteries, or use a simple, compact power supply to power all of your electronic projects. This is a great beginners electronics project for those just getting into electronics, or a fun project for those who haven’t wanted to drop the cash for a commercial model. This circuit is capable of supplying a variable voltage output from 1.5 volts to 12 volts.

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