Verified Stemma QT hardware we like

These Stemma QT / Qwiic devices have been tested with the Pioreactor HAT and are known to work over I2C at 3.3V. For wiring and a sample script, see Using the StemmaQT/Qwiic connector.

note

“Verified” means we were able to power the device and read data from it. It does not guarantee a dedicated Pioreactor plugin or any specific automation.

Device	What we like it for	Link
Adafruit MLX90632 FIR Remote Thermal Temperature Sensor	Non-contact temperature measurement, useful for incubators or warm surfaces	https://www.adafruit.com/product/6403
Adafruit AS7341 10-Channel Light / Color Sensor	Tracking light spectra or checking LED output stability	https://www.adafruit.com/product/4698
Monochrome 1.3" 128x64 OLED Graphic Display	Quick local readouts without the web UI	https://www.adafruit.com/product/938
Adafruit SCD-30 - NDIR CO2 Temperature and Humidity Sensor	CO2 and humidity monitoring in incubators	https://www.adafruit.com/product/4867

tip

If you connect multiple I2C devices, check their address settings to avoid conflicts.