CO2 Gadget
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.
CO2 Gadget Web Interface Guide: Dark Mode, Charts and Screenshots
All the pages of the CO2 Gadget web interface explained: Home, Charts with CSV/JSON export, FRC Calibration, Low Power, Preferences, Status and OTA.
Gadget’s BLE CO₂ Guide: MyAmbiance, BTHome and Real-Time 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 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.