Air Quality Monitoring

Arduino Uno and Mega 2560 are used and DHT11 and QM-135 sensor are connected to Arduino Uno. Both boards comminate through RF wireless module nRF24L01. The ESP32 is connected to Mega to send data through wifi to ThingSpeak.

Field 1 Chart
Field 2 Chart
Field 3 Chart
Field 4 Gauge
Channel Status Updates
Channel Location