1 How to protect circuits from reversed voltage polarity!
An explanation of guarding a circuit against a reversed supply with a P-channel MOSFET, which wastes far less power than a series diode.
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An explanation of guarding a circuit against a reversed supply with a P-channel MOSFET, which wastes far less power than a series diode.
A step-by-step guide people recommend and follow for using a P-channel MOSFET to switch a 12V motor from an Arduino.