Battery Powered ESP-01 Temperature Sensor - Technology Spy
ESP32 ESP8266 4x 18650 Battery USB Power Bank Shield Holder V9 3V/5V – diymore
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
Amazon.com: ESP8266 NodeMCU ESP-01 ESP-01S WiFi Development Board DS18B20 Temperature Humidity Sensor WiFi Wireless Node Module(Wireless Node Module) : Electronics
Amazon.com: ESP8266 NodeMCU ESP-01 ESP-01S WiFi Development Board DS18B20 Temperature Humidity Sensor WiFi Wireless Node Module(Wireless Node Module) : Electronics
ESP8266 DS18B20 Sensor Web Server Arduino IDE (Single, Multiple) | Random Nerd Tutorials
Temperature Humidity Sensor Module with ESP-01 ESP-01S: Amazon.com: Industrial & Scientific
One ESP8266, One Battery, One Year… And Counting. | Hackaday
Optimizing ESP8266/ESPHOME for battery power (and making an ice bath thermometer as well) – Necromancer's notes
Battery Powered ESP8266 IoT - Temperature Sensor - Home Circuits