Pololu
QTRX-MD-04RC Reflectance Sensor Array: 4-Channel, 8mm Pitch, RC Output, Low Current
£3.17£4.99Unit price /UnavailableSparkfun Electronics
CO₂ Humidity and Temperature Sensor - SCD40 (Qwiic)
£51.29Unit price /UnavailableSeeed Studio
Grove Smart IR Gesture Sensor - Infrared Camera Sensor with Over 15 Gestures Detected
£22.00Unit price /UnavailableSparkfun Electronics
Spectral UV Sensor - AS7331 (Qwiic) (SEN-23517)
£25.99Unit price /UnavailableSparkfun Electronics
Low Concentration Ozone Gas Sensor - MQ-131
£33.40£42.92Unit price /UnavailablePololu
QTRX-HD-04A Reflectance Sensor Array: 4-Channel, 4mm Pitch, Analog Output, Low Current
£3.05£4.99Unit price /UnavailablePololu
QTRX-HD-04RC Reflectance Sensor Array: 4-Channel, 4mm Pitch, RC Output, Low Current
£3.05£4.99Unit price /UnavailablePololu
QTRX-HD-07RC Reflectance Sensor Array: 7-Channel, 4mm Pitch, RC Output, Low Current
£4.88£7.99Unit price /UnavailableSparkfun Electronics
Micro Absolute Digital Barometer - LPS28DFW (Qwiic)
£28.50Unit price /Unavailable