Tom Horton | DiY IoT | Building a Battery-operated ESP8266 Sensor Module
I successfully run DHT22 battery ESP8266 temperature/humidity IoT sensor so my next project is a simple IoT Door Sensor. It is up and running … | Iot, Sensor, Power
Battery Powered ESP-01 Temperature Sensor - Technology Spy
Adventures in deep sleep with ESP8266 and a temperature sensor – Tomas McGuinness
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
Shelly H&T is a Battery Powered ESP8266 WiFi Temperature & Humidity Sensor - CNX Software
Battery Powered ESP8266 WiFi Temperature and Humidity Logger