Arduino is used with MQ-135 to determine the air quality and then this value is updated to ThingSpeak channel.
Project tutorial by Ruchir Sharma
Temperature sensor is used to control a switch (relay) to turn on or off the device.
In this project, I have shown how to interface a GPS module with Arduino UNO. The data for longitude and latitude is displayed on the LCD.
In this I have shown how to send data from temperature sensor which is connected to Arduino and send data to Rpi database.
by Ruchir Sharma
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