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MH-Z19B CO2 Data: o The ESP32 sends a command to the MH-Z19B via UART and processes the response to calculate CO2 concentration. OLED Display: o Sensor readings are displayed on the OLED using the ...
This repo contains the Arduino Uno R3 code along with Python graphical visualisation for MH-Z19B CO2 Sensor (400 - 5000 ppm).
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