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