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- On board ESP-12K ESP32-S2 module, 4MB flash + 8MB PSRAM, 37 GPIOs, and more features.
- Lead out all pins.
- On board type-C USB CP2104 USB-TTL bridge with auto download feature.
- On board type-C USB to OTG connector
- On board WS2812 chip led to GPIO17.
- On board front side power led, and back side chip reset button.
Power Supply Path:
- USB provides power supply to board and charge battery
- Battery provides power supply to board when USB removed
- On board LDO 3V3 500mA, battery charger 4.2V 500mA
- Battery reserved socket CR123A (not included) or 1.25mm connector.
- Power on/off switch