ESP8266 Development Board Battery and Solar Powered with OLED display Sensor integrated, LDO voltage regualtor and Battery Monitoring System - Share Project - PCBWay
IoT Based Battery Status Monitoring System using ESP8266
Can i power this 'nodemcu esp8266 v3' using 7.4v or 8v power source in its microusb. actually i have two li-ion battery(3.7v) so , i am going to connect this battery in
ESP8266 Thing Hookup Guide - SparkFun Learn
IoT Based Battery Status Monitoring System using ESP8266