IoT based Battery Monitoring System using NodeMCU and ThingSpeak
Running NodeMCU on a battery: ESP8266 low power consumption revisited – Tinkering with Technology
For WeMos D1 ESP8266 Esp Wroom 02 Motherboard Mini WiFi Nodemcu Module – Aideepen
Running NodeMCU on a battery: ESP8266 low power consumption revisited – Tinkering with Technology
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
NodeMCU battery voltage status - Need Help With My Project - Blynk Community