IoT based Battery Monitoring System using NodeMCU and ThingSpeak
Battery Powered ESP8266 IoT - Temperature Sensor - Home Circuits
ESP8266 / D1Mini Garden Tractor Battery Monitor using ESPHome & Home Assistant. - YouTube
GitHub - retromuz/esp8266-bms-monitor: A web based battery monitoring system for SP15S020 BMS
Monitoring LiPo battery voltage with Wemos D1 minibattery shield and Thingspeak – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
I recently finished the prototype for a battery powered ESP8266 based temperature and humidity sensor with eInk display. Currently working on a custom PCB. : r/arduino