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co2-sensor

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Here are 229 public repositories matching this topic...

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UncleRus / esp-idf-lib

Star 1.6k

Component library for ESP32-xx and ESP8266

esp8266 esp32 led-controller magnetometer adc temperature-sensor rotary-encoder esp-idf pwm light-sensor humidity-sensor pressure-sensor i2c-device dac wiegand gas-sensor co2-sensor power-monitor gpio-extender esp32-s2
  • Updated Jan 24, 2026
  • C

tobiasschuerg / MH-Z-CO2-Sensors

Star 81

Arduino imeplementation for CO2 sensors of the MH-Z series (Intelligent Infrared CO2 Module)

arduino esp8266 sensor co2 hacktoberfest mh-z19 co2-sensor mh-z14a mh-z19b mhz19b mh-z19c mhz19c mh-z14b
  • Updated Apr 1, 2024
  • C++

roepkefeller / air-quality-sensor

Star 58

DIY air quality monitor: ESP32-C3, 4 Sensirion/Bosch sensors, custom 4-layer PCB, ESPHome firmware with Home Assistant integration.

iot esp32 open-hardware air-quality home-assistant kicad iot-device air-quality-sensor air-quality-monitor co2-sensor sensirion pcb-design esphome sensirion-sensors sensirion-i2c esp32-c3 open-hardware-for-climate-response open-hardware-esp32
  • Updated Aug 5, 2026
  • HTML

danielbernalb / LibreCO2

Star 51

Simple CO2 meter using Arduino UNO-Mega board and popular CO2 sensors (SenseAir S8, Sensirion SCD30, Winsen MH-Z14 or 19 and Cubic CM1106). Operation modes: Normal, Calibration 400ppm, Alarm adjust and Altitud compensation adjust

arduino-nano arduino-uno co2 arduino-mega cubic co2-sensor co2-measurements co2-monitor winsen senseair sensirion-scd30 senseair-s8 xloader co2-meter
  • Updated Feb 16, 2024
  • C++

stijnstijn / pyaranet4

Star 49

A cross-platform Python interface for the Aranet4 CO₂ meter

iot bluetooth-le co2-sensor aranet4
  • Updated Jul 23, 2024
  • Python

eitherway / lollidisplay

Star 47

Status display and air quality monitoring (e.g. CO2, Temperature, Humidity, ...) with an ESP32/ESP8266

esp8266 esp32 esp8266-arduino esp32-arduino co2-sensor epaper-screen
  • Updated Jun 10, 2023
  • C

Sensirion / embedded-scd

Star 47

Embedded SCD Drivers for Sensirion CO2 Sensors - Download the Zip Package from the Release Page

raspberry-pi embedded i2c raspberrypi sensor driver raspberry co2 co2-sensor sensirion scd30 sensirion-embedded-drivers
  • Updated Apr 19, 2024
  • C

northeye / chissoku

Star 47

A CO2 Sensor (IO-DATA UD-CO2S) Reader using USB serial.

docker golang mqtt iot sensors co2 co2-sensor ud-co2s
  • Updated Feb 19, 2025
  • Go

MarcFinns / AtmoScan

Star 47

Interactive air multisensor

mqtt arduino esp8266 gesture temperature-sensor sensors humidity-sensor air-quality-sensor pressure-sensor geiger co2-sensor no2-sensor radiation-sensor co-sensor
  • Updated Nov 11, 2018
  • C

miguelangelcasanova / codos

Star 45

Un sistema de detección del CO2 para el aula

arduino esp32 co2 docencia co2-sensor
  • Updated Jan 21, 2021
  • C++

quentinms / homebridge-aranet4

Star 43

An Homebridge plugin to get data from an Aranet4

homebridge homebridge-plugin co2-sensor aranet4
  • Updated Nov 29, 2023
  • TypeScript

kmetz / coro2sens

Star 32

Build a simple device that warns if CO₂ concentration in a room becomes a risk for COVID-19 aerosol infections.

arduino esp8266 esp32 platformio co2 arduino-sketch co2-sensor scd30 co2-concentration coronavirus covid-19 corona-ampel coronaampel co2-ampel
  • Updated Jan 30, 2023
  • C++

CDFER / scd4x-CO2

Sponsor
Star 28

A library to interface esp chips with the SCD4x CO2 sensors in the Arduino (c++) Framework.

esp32 platformio arduino-library co2 esp32-arduino co2-sensor scd41 scd40 scd4x
  • Updated Aug 28, 2024
  • C++

Sensirion / raspberry-pi-i2c-scd30

Star 23

Raspberry-Pi I2C driver for Sensirion's SCD30 sensor

raspberry-pi i2c driver temperature humidity co2 co2-sensor sensirion
  • Updated Apr 27, 2026
  • C

Bobbo117 / MQ135-Air-Quality-Sensor

Star 22

MQ-135 Air Quality Sensor Board CO2 Calibration

esp8266 esp32 home-assistant thingspeak air-quality-sensor mq135 co2-sensor aduino mq135-sensor vhotsmcomp flying-fish arduino-air-quality-sensor co2-detector mq135-calibration mq135-co2-calibration
  • Updated Aug 29, 2024
  • C++

JsBergbau / TFACO2AirCO2ntrol_CO2Meter

Star 21

Read TFA AirCO2ntrol Mini and CO2-Meter with python3

tfa co2 co2monitor co2-sensor airco2ntrol
  • Updated Mar 13, 2026
  • Python

SFeli / ESP32_CJMCU-8128

Star 21

Air Quality with CJMCU-8128 (board with CCS811 / BMP280 and SI702x)

air-quality temperature-sensor bmp280 humidity-sensor pressure-sensor ccs811 esp32-arduino co2-sensor si7020 cjmcu8128
  • Updated Jun 16, 2020
  • C++

TimHanewich / Air-Quality-IoT

Sponsor
Star 18

Indoor air quality sensor box IoT project with 3D-printed housing!

raspberry-pi rpi air air-quality co2 3d-printing air-quality-data aqi air-quality-monitor co2-sensor quality-sensor rp2040 raspberry-pi-pico
  • Updated May 21, 2024
  • Python

Infineon / arduino-pas-co2-sensor

Star 17

Arduino library for Infineon's XENSIV™ Photoacoustic Spectroscopy (PAS) CO2 miniaturized sensor

makers prototyping arduino-library release xmc-2go gas-sensor co2-sensor
  • Updated May 8, 2026
  • C

ndoornekamp / senseair_s8

Star 16

Python module for reading CO2 concentration from a Senseair S8 sensor connected to a Raspberry Pi

python raspberry-pi python-3 co2 co2-sensor senseair-s8
  • Updated Aug 22, 2025
  • Python

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