Reverse current / battery polarity protection • Circuits.dk
Reverse Polarity Protection - Circuit Cellar
Rick on X: "Quick #electronics tip: You can use a p-channel mosfet and a resistor to add reverse polarity protection to a circuit if a diode doesn't work due to it's voltage
24V-48V Reverse polarity protection P channel FET
Reverse polarity protection with a P-MOSFET – Arduino, ESP8266, ESP32 & Raspberry Pi stuff