In this project I show how to build a particles detector with data display, data backup on SD card and IoT with Android application.
Visualize DHT22 sensor readings collected using Arduino Uno. Data is uploaded over MQTT using ESP8266 and visualized using Thingsboard.
In this tutorial, we will learn how to detect Smoke and inflammable gases using an MQ-2 sensor.
by Aritro Mukherjee
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