Air Pollution Index Monitor Using Arduino | DIY Air Quality Monitor & Temperature Sensor Using Arduino UNO & Gas Detector Module

 AIR QUALITY INDEX DISPLAY USING MQ-4, MQ-2, MQ-9, MQ-5, MG-811, MQ-7, MQ-8, etc

ALONG WITH - ARDUINO UNO or RASPBERRY PIE, 16x2 LCD DISPLAY, BREAD BOARD & TEMPERATURE SENSOR etc.