- 1pcs : WeMos D1 Esp-Wroom-02 ESP8266 Mini WiFi Nodemcu Module for 18650 Battery
- Chip: Genuine ESP-Wroom-02
· 18650 charging system integration.
- 0.5a charge current
- 1A output
- Indication LED
- SMT connector available for sleep mode · 1 additional LED programmable (with gpio16 [do])
- Power On/Off Switch
- Overcharge protection
- Over-discharge protection
- 10 digital pin read / write / interrupt / PWM / I2C / line support (except D0)
- 1 analog input to be careful + -
- If the battery is in the wrong direction, the charging chip will be destroyed.
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