This development board integrates the ESP8266 and186 50 battery slot. A standard 3000mah 186 50 battery can run for 17 hours or more. When this board is put into 186 50 batteries, it can be called “WiFi battery”.
When you do some ESP8266 projects you must hate to add power to power. This mini board can solve this problem. The 3000mah 18650 battery can run the ESP8266 for 17 hours or more.
Compatible with nodemcu.
integrates 186 50 charging system.
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
Over discharge protection
10 digital pin read / write / interrupt / PWM / I2C / line support (except D0)
The analog input should be careful “+ -“.
Please note: 186 50 battery is not included. If the positive and negative direction of the battery is placed incorrectly, the charging chip will be damaged.
1 * D1 Mini WiFi Module with 186 50 battery slot