2 layers40 × 40 mm

Airqualitymini
MorgenWebDigital/airqualitymini
A stationary indoor air quality sensor. Real CO₂, VOC and NOx, temperature and humidity. No display, no battery. Powered from USB-C, read out over Bluetooth LE.
32 parts
Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.

MorgenWebDigital/airqualitymini
A stationary indoor air quality sensor. Real CO₂, VOC and NOx, temperature and humidity. No display, no battery. Powered from USB-C, read out over Bluetooth LE.

MorgenWebDigital/airquality
A battery-powered indoor air quality monitor. Real CO₂ from a photoacoustic sensor, VOC and NOx, temperature, humidity and ambient light, shown on a 2.13" e-paper display and sent over Bluetooth LE.