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Esp-Wroom-32 ESP32 WiFi BT Module 18650 Battery


When doing esp32 projects, you must hate to add an external battery to supply the power. This small circuit could solve such problems.

Built-in 18650 charging system.

Indicates the LED inside (green means full and red means charging)

Charging and working could be at the same time.

1 switch can control the power supply.

1 additional LED could be programmed (connected with GPIO16[D0])

0.5A charging current

1A output

Overload protection

Discharge protection

Full ESP32 broken pins

Click the link for more details: http://espressif.com/en/products/hardware/esp32-devkitc/overview

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