$2 + shipping for 5 PCBs (Any Color): https://jlcpcb.com
For complete project details (schematics + Gerber Files + source code), visit ► https://RandomNerdTutorials.com/power...

Build an Auto Power Off circuit (Latching Power Circuit) on a custom PCB to save power in your electronics projects. This circuit cuts off power completely when a microcontroller is not executing any task.

Latching Power Switch Circuit (Breadboard version): https://RandomNerdTutorials.com/latch...

Power ESP32/ESP8266 with Solar Panels (includes battery level monitoring): https://RandomNerdTutorials.com/power...

ESP8266 Voltage Regulator for LiPo and Li-ion Batteries (ESP32 Compatible): https://RandomNerdTutorials.com/esp82...

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