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Wemos esp-wroom-02 motherboard D1 mini WiFi module ESP8266+18650 battery cover

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This development board integrates ESP8266 18650 battery with a standard 3000mah 18650 battery for 17 hours.
It can be called a "WiFi battery." I am going to make it easier to develop the ESP8266 ESP8266 project to add 18650 batteries.
When you do some ESP8266 projects you must hate to add power to power. This micro board can solve such problems. The 3000mah 18650 battery can run the ESP8266 for 17 hours or more.
What makes it special?
· Compatible with nodemcu.
· 18650 charging system integration.
· The indicator LED (green means full red means charging) can be used while charging.
· Switch control power supply.
· SMT connector can be used for sleep mode · 1 additional LED programmable (gpio16)
· 0.5a charging current
· 1A output
· Over discharge protection
· Overcharge protection
· 10 digital pin read/write/interrupt/PWM/I2C/line support (except D0)
· Be careful with the analog input +-.
If the battery is in the wrong direction, the charging chip will be destroyed.

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