flipper-zero-mh-z19

Application for measuring carbon dioxide (CO2) with mh-z19 sensor and Flipper zero

Instalation Guide

• Clone application source code

  git clone https://github.com/meshchaninov/flipper-zero-mh-z19.git

• Clone flipper zero source code

  git clone --recursive https://github.com/flipperdevices/flipperzero-firmware.git

• Move mh_z19 folder to flipperzero-firmware/application_user folder

  mkdir -p flipperzero-firmware/application_user/mh_z19 && mv flipper-zero-mh-z19/* flipperzero-firmware/application_user/mh_z19

• Connect flipper zero via USB to your computer
• Build and flash to device firmware

  cd flipperzero-firmware
  ./fbt
  ./fbt flash_usb

How to use

• Connect MH-Z19 sensor to your flipper zero:

  sensor <-> flipper zero
  5V <-> 5V (1 pin)
  GND <-> GND (8 pin)
  PWM <-> A6 (3 pin)

  

• Open in flipper zero: Applications -> GPIO -> [MH-Z19] CO2 sensor