![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 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](https://i.redd.it/q0c5386r08p61.jpg)
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
![Monitoring LiPo battery voltage with Wemos D1 minibattery shield and Thingspeak – Arduino, ESP8266, ESP32 & Raspberry Pi stuff Monitoring LiPo battery voltage with Wemos D1 minibattery shield and Thingspeak – Arduino, ESP8266, ESP32 & Raspberry Pi stuff](https://arduinodiy.files.wordpress.com/2016/12/batteryshield.png)
Monitoring LiPo battery voltage with Wemos D1 minibattery shield and Thingspeak – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
Reading 48v ebike battery voltage to esp8266 | Electronics Forum (Circuits, Projects and Microcontrollers)
![ESP8266 Monitor its Own Battery Level using Blynk IoT for Battery Powered Projects | Voltage sensor - YouTube ESP8266 Monitor its Own Battery Level using Blynk IoT for Battery Powered Projects | Voltage sensor - YouTube](https://i.ytimg.com/vi/yXPO6WaJDSU/sddefault.jpg)