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

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meshchaninov/flipper-zero-mh-z19

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flipper-zero-mh-z19

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

Ok ppm Very bad ppm Setup

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)

setup

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

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

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