![Esp8266 Esp-32 18650 Battery Shield Wifi Bluetooth Dht11 Cp2104 Temperature Humidity Soil Moisture Sensor Module For Arduino - Integrated Circuits - AliExpress Esp8266 Esp-32 18650 Battery Shield Wifi Bluetooth Dht11 Cp2104 Temperature Humidity Soil Moisture Sensor Module For Arduino - Integrated Circuits - AliExpress](https://ae01.alicdn.com/kf/HTB1hM34aJjvK1RjSspiq6AEqXXaT.jpg)
Esp8266 Esp-32 18650 Battery Shield Wifi Bluetooth Dht11 Cp2104 Temperature Humidity Soil Moisture Sensor Module For Arduino - Integrated Circuits - AliExpress
![Battery Powered Shed Door & Lock Sensor, Solar, ESP8266, ESP-Now, MQTT : 4 Steps (with Pictures) - Instructables Battery Powered Shed Door & Lock Sensor, Solar, ESP8266, ESP-Now, MQTT : 4 Steps (with Pictures) - Instructables](https://content.instructables.com/FPV/7IG1/KGP4G9L0/FPV7IG1KGP4G9L0.jpg?auto=webp&frame=1&crop=3:2&width=320&md=6d5d5b6d34ae3cefa8ed5f0e028a844c)
Battery Powered Shed Door & Lock Sensor, Solar, ESP8266, ESP-Now, MQTT : 4 Steps (with Pictures) - Instructables
![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://preview.redd.it/q0c5386r08p61.jpg?auto=webp&s=01b66cd34813e206ebea76dd37bf3521c667a8bc)