ESP32: wire a 18650 battery with a TP4056 charge controller
Wire a single 18650 cell to an ESP32 using the TP4056 charge controller. The minimum circuit for any battery-powered ESP32 project.
Tag
#18650
2 tutorials
ESP32: solar + 18650 battery for perpetual projects
Add a small solar panel to your 18650 battery setup for perpetual operation. The math for sizing the panel and the protection circuit you actually need.