Case project multi sensor ultrasonic wemos D1 Mini  HCSR04  DHT22  magnetic door contact  ESP8266
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Case project multi sensor ultrasonic wemos D1 Mini + HC-SR04 + DHT22 + magnetic door contact - ESP8266

Here is the guide to building the sensor ...

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Case project multi sensor ultrasonic wemos D1 Mini + HC-SR04 + DHT22 + magnetic door contact - ESP8266 alternatives