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![RELEASE] DIY Light Sensor with mains and battery power (ESP8266, NodeMCU, D1 Mini) - Connected Things - SmartThings Community](https://global.discourse-cdn.com/smartthings/original/3X/8/c/8c40b85f0d8574615060b43d9bd2b69289f51219.jpeg "RELEASE] DIY Light Sensor with mains and battery power (ESP8266, NodeMCU, D1 Mini) - Connected Things - SmartThings Community")
RELEASE] DIY Light Sensor with mains and battery power (ESP8266, NodeMCU, D1 Mini) - Connected Things - SmartThings Community
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Tom Horton | DiY IoT | Building a Battery-operated ESP8266 Sensor Module
Battery Powered ESP8266 WiFi Temperature and Humidity Logger
Tom Horton | DiY IoT | Building a Battery-operated ESP8266 Sensor Module
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ESP8266 Development Board Battery and Solar Powered with OLED display Sensor integrated, LDO voltage regualtor and Battery Monitoring System - Share Project - PCBWay
Just my battery operated ESP8266 enviro sensor node with OTA update - Projects made with Blynk - Blynk Community
Battery-powered IoT Moisture Sensor With Wi-Fi | ESP8266 | Maker Pro
Battery Powered ESP8266 WiFi Temperature and Humidity Logger
