Wemos D1 WiFi Module ESP WROOM 02
The development board integrates the ESP8266 18650 battery. A standard 3000mah 18650 battery can run for 17 hours or more.
- Compatible with nodemcu.
- 18650 charging system integration.
- LED indicator (green for full, red for charging) can be used while charging.
- Switch control power supply.
- SMT connector available for sleep mode
- Additional LED Programmable (gpio16)
- 0.5a charge current
- 1A output
- Overcharge protection
- Over discharge protection
- 10 digital pin read / write / interrupt / PWM / I2C / line support (except D0)
- The analog input should be careful "+ -".
- Packaged without battery.
please note: If the positive and negative direction of the battery is placed incorrectly, the charging chip will be damaged.
You will require this 3.7V Lithium Ion battery.