
Airquality
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.
Boards in 2 GitHub repositories, designed in KiCad, that use the T117Z by Mysentech (-103℃~+153℃ 1.8V~5.5V 10nA 16bit 2.2ms、5.2ms、8.5ms、15.3ms Factory temperature calibration、Temperature threshold monitoring、Low-power standby、Configurable temperature output、On-chip non-volatile parameter storage、On-chip digital filtering/averaging、Self-diagnosis function、On-chip temperature compensation I2C ±0.1℃ DFN-6L(2x2) Temperature Sensors ROHS). See how each wires it, with its parts, size, README and files; the T117Z’s symbol, footprint and pinout are on its own page.

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.

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.