When you do some ESP32projects you must hate to add a power bank to provide the power. This tiny board could solve such problems. 3000mAH 18650 battery could make ESP32run 17 hours or more. 18650 charging system integrated. indicate LED inside(Green means full& Red means charging) Charging and working could be at the same time. 1 Switch could control the power. 1 extra LED could be programmed(Connected with GPIO16[D0]) 0.5A charging current 1A output Over charge protection Over discharge protection Full ESP32 pins break out
1 x WiFi + Bluetooth Battery ESP32 Development Tool 2 x 20P pinhead
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