Fredrik Olofsson on Twitter: "Battery powered #esp8266 logging its battery voltage for 12h now. From 3.05V to 2.99V https://t.co/SlSGIfGcxn http://t.co/aJmUoJJ32T" / Twitter
![I have just made a prototype of ESP8266 (ESP-01) IoT temperature & humidity SI7021 sensor and also 2x three pin soil moisture s… | Iot, Arduino, Humidity sensor I have just made a prototype of ESP8266 (ESP-01) IoT temperature & humidity SI7021 sensor and also 2x three pin soil moisture s… | Iot, Arduino, Humidity sensor](https://i.pinimg.com/originals/02/85/f7/0285f79f5b400dc740112516bd203ce7.png)
I have just made a prototype of ESP8266 (ESP-01) IoT temperature & humidity SI7021 sensor and also 2x three pin soil moisture s… | Iot, Arduino, Humidity sensor
ESP.deepSleep hangs after wakeup - ESP12F (Working on older chips) · Issue #6007 · esp8266/Arduino · GitHub
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Amazon.co.jp: ESP8266 ESP-01 ESP-01S WS2812 RGB LED Light Controller Adapter Module for DIY Lighting (Light Module) : Home & Kitchen
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esp8266 battery powered dht22 with deep sleep on esp-01 | Wifi, Arduino wifi, Electronics projects diy
![DHT11 Temperature Humidity Sensor Shield for ESP8266 ESP-01 ESP-01S with CN3065 Lithium Battery Charger Board Module | Wish DHT11 Temperature Humidity Sensor Shield for ESP8266 ESP-01 ESP-01S with CN3065 Lithium Battery Charger Board Module | Wish](https://canary.contestimg.wish.com/api/webimage/6067e6df9123c6ac6ea24dfa-large.jpg?cache_buster=9ecd83fb3f2b37857b1ab4d70e71bc27)
DHT11 Temperature Humidity Sensor Shield for ESP8266 ESP-01 ESP-01S with CN3065 Lithium Battery Charger Board Module | Wish
![I made an ESP-01 temperature sensor that sends data to Home Assistant via MQTT. Based on a prototype using a smaller battery I'm hoping it will last 4+ months. : r/esp8266 I made an ESP-01 temperature sensor that sends data to Home Assistant via MQTT. Based on a prototype using a smaller battery I'm hoping it will last 4+ months. : r/esp8266](https://preview.redd.it/d2zrxivm5gt21.jpg?auto=webp&s=da44757d04c60f187d2d2afd27645b1c81ca990a)
I made an ESP-01 temperature sensor that sends data to Home Assistant via MQTT. Based on a prototype using a smaller battery I'm hoping it will last 4+ months. : r/esp8266
![Autonomous impulse counter for water meters (attiny85 + esp-01) - Projects made with Blynk - Blynk Community Autonomous impulse counter for water meters (attiny85 + esp-01) - Projects made with Blynk - Blynk Community](https://community.blynk.cc/uploads/default/original/2X/6/6e3c1af94ce16fff71f552f835013d7bea0a3e75.jpg)
Autonomous impulse counter for water meters (attiny85 + esp-01) - Projects made with Blynk - Blynk Community
![ESP-01: Works when plugged into programmer but not when simply powered up - Installation & Troubleshooting - Arduino Forum ESP-01: Works when plugged into programmer but not when simply powered up - Installation & Troubleshooting - Arduino Forum](https://aws1.discourse-cdn.com/arduino/original/4X/3/b/2/3b2caf9da86b21dc53fa0bf3de387ee9fb316194.jpeg)
ESP-01: Works when plugged into programmer but not when simply powered up - Installation & Troubleshooting - Arduino Forum
![Amazon.com: ESP8266 ESP-01 ESP-01S DHT11 Temperature Humidity Sensor Module Esp8266 WiFi NodeMCU Smart Home IOT with ESP01 : Appliances Amazon.com: ESP8266 ESP-01 ESP-01S DHT11 Temperature Humidity Sensor Module Esp8266 WiFi NodeMCU Smart Home IOT with ESP01 : Appliances](https://m.media-amazon.com/images/I/61tjuusi9xL._SL1000_.jpg)