Guide to Low-CO2 Gadgets: Deep Sleep and Battery Life
Gadget’s Low-CO₂ Guide. Get up to 3 months’ battery life from your high-quality CO₂ monitor: HIGH_PERFORMANCE and LOW_POWER modes, configurable deep sleep, battery management and wake-on-alert.
CO2 Meter
Build your own CO₂ Meter easily with these tutorials.
A CO₂ Meter quality and very easy to make. Modularso that you can make it grow with your needs.
ESP-NOW CO2 Gadget Guide: Long-Range Communication
ESP-NOW Guide for CO2 Gadget. Long-range communication for your high-quality CO₂ sensor: configure peer MAC, Board ID, transmission interval and MQTT gateway.
Gadget CO₂ Output Guide: Buzzer, NeoPixel and Relays
Gadget CO₂ Output Guide. Connect a buzzer, WS2812B NeoPixel strips and relays to your high-quality CO₂ monitor: set up audible and visual alarms with hysteresis.
Gadget CO₂ Calibration Guide: FRC, Pressure and Warm-Up
Gadget CO₂ Calibration Guide. Learn how to calibrate your high-quality CO₂ meter: FRC, custom calibration, atmospheric pressure compensation, warm-up and ASC.
Gadget’s BLE CO₂ Guide: MyAmbiance, Real-Time and Historical Data
Gadget’s BLE CO₂ Guide. Connect your high-quality CO₂ monitor to the Sensirion MyAmbiance app: real-time data, downloadable history, Wi-Fi setup via Bluetooth and calibration.
CO2 Gadget Installation Guide: Web Installer, Binaries and Compilation
Complete guide to installing CO2 Gadget. One-click web installer, table of 13 boards with ‘INSTALL’, binary downloads, compilation with PlatformIO and troubleshooting.
Guide to Sensors Compatible with CO2 Gadget: CO2, PM and Environmental Sensors
Guide to sensors compatible with CO2 Gadget. All supported CO₂, PM and environmental sensors: SCD30, SCD40, SCD41, MH-Z19, CM1106, S8, SPS30 and more.
CO2 Gadget MQTT Guide: Home Assistant, Alarms and Remote Commands
CO2 Gadget MQTT Guide. Integrate your high-quality CO₂ sensor with Home Assistant: publish CO₂, temperature, humidity, battery level and PM data; receive remote commands; set up alarms with hysteresis; and enable automatic discovery.
CO2 Gadget WiFi Guide: Connection, Website and API
CO2 Gadget WiFi Guide. Learn how to connect your high-quality CO₂ monitor to the network: captive portal, MyAmbiance app, web interface, REST API, mDNS, static IP and troubleshooting. CO2 Gadget, the firmware that turns your ESP32 into a professional CO₂ monitor.
CO2 Gadget Low Power CO2 monitor with Lilygo TTGO T5 ePaper and Sensirion SCD41 Sensor
A low-power CO2 meter with a 90-day autonomy on a single charge? Not bad, not bad at all...