Erriez MH-Z19B and MH-Z19C CO2 sensor library for Arduino

For Arduino Boards (&ESP32). Additional Examples/Commands., Hardware/Software Serial

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,…