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Adafruit
TCRT100STEMMA Reflective Photo Interrupt Sensor - TCRT1000 (ID:5913)
£4.96Unit price /Unavailable-
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Sparkfun Electronics
Micro Triple Axis Accelerometer Breakout - BMA400 (Qwiic)
£9.90Unit price /Unavailable -
13% off
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Sparkfun Electronics
Triple Axis Digital Accelerometer Breakout - ADXL313 (Qwiic) (SEN-17241)
£17.10Unit price /Unavailable 
33% off
36% offPololu
QTRX-MD-04RC Reflectance Sensor Array: 4-Channel, 8mm Pitch, RC Output, Low Current
£3.17£4.99Unit price /Unavailable-
38% off
Pololu
QTRX-HD-02RC Reflectance Sensor Array: 2-Channel, 4mm Pitch, RC Output, Low Current
£1.85£2.99Unit price /Unavailable -
Seeed Studio
Grove Smart IR Gesture Sensor - Infrared Camera Sensor with Over 15 Gestures Detected
£22.00Unit price /Unavailable 
Sparkfun Electronics
Spectral UV Sensor - AS7331 (Qwiic) (SEN-23517)
£25.99Unit price /Unavailable-
Sparkfun Electronics
CO₂ Humidity and Temperature Sensor - SCD40 (Qwiic)
£51.29Unit price /Unavailable -
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24% off
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22% off
Sparkfun Electronics
Low Concentration Ozone Gas Sensor - MQ-131
£33.40£42.92Unit price /Unavailable 
34% off-
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