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We present a unified library for MQ sensors, this library allows to read MQ signals easily from Arduino, Genuino, ESP8266, ESP-32 boards whose references are MQ2, MQ3, MQ4, MQ5, MQ6, MQ7, MQ8, MQ9, MQ131, MQ135, MQ136, MQ303A, MQ309A.
🕯🧯💨 A device for displaying CO2 in air (ppm), as well as an alarm when a certain level is exceeded.
PIC Microcontroller Projects
Air Analyzer, Using Almost All Kinds of MQ Sensors
IoT Based Smart Worker Suit and Android Application for Coal Mine Industry
Simple cross platform application to print to display ( Air Quality, CARBON MONOXIDE, ... ) received from esp8266 using MQ-9 MQ-135 DHT11