Adafruit Feather HUZZAH ESP8266 | Adafruit Learning System
ESP8266 Voltage Regulator For LiPo and Li-ion Batteries | Random Nerd Tutorials
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
Just my battery operated ESP8266 enviro sensor node with OTA update - Projects made with Blynk - Blynk Community
Design your own ESP Board for Battery Powered IoT Applications
Battery-Powered ESP8266 Sensor? Never Been Simpler | Hackaday
Monitor Your Car Battery: Code & Setup - Hackster.io
lua - Check the battery status with NodeMCU? - Stack Overflow
ESP8266 Thing Hookup Guide - SparkFun Learn
IoT Based Battery Status Monitoring System using ESP8266
IoT Based Battery Status Monitoring System using ESP8266
ESP8266 Voltage Regulator For LiPo and Li-ion Batteries | Random Nerd Tutorials
For WeMos D1 ESP8266 Esp Wroom 02 Motherboard Mini WiFi Nodemcu Module – Aideepen
Mini ESP8266 Wifi Development Board 18650 Lithium Battery Charging Module for WeMos D1 ESP-Wroom-02 Mother Board Nodemcu PWM I2C
ESP8266 Wireless Dev System - Non-Battery Version from BurgessWorld Custom Electronics on Tindie