Light & Colour
Browse our range of light and colour sensors, including ambient light, UV, IR, and full-spectrum colour recognition modules. Whether you need a simple photoresistor or a multi-channel spectral sensor, we stock options for every project.
Popular with Australian makers, educators, and engineers for projects like automatic lighting, UV monitoring, gesture detection, and colour-matching systems. Most modules use I2C for easy integration with Arduino, Raspberry Pi, and CircuitPython.
Fast shipping across Australia.
RS485 Photosynthetically Active Radiation (PAR) Sensor (400-700nm)
SKU: DF-SEN0641 | Brand: DFRobot
The RS485 PAR Sensor measures photosynthetically active radiation in the 400–700 nm wavelength range — the light spectrum that plants use for photosynthesis. It converts incident radiation into a signal proportional t...
Delivered by Wed 10 Jun
PlanetX UV Sensors
SKU: EF-EF05021 | Brand: ElecFreaks
The UV sensor is able to measure the total ultraviolet intensity of sunlight. You can use it to sense ozone and pollutants or make fire safety devices.
Delivered by Wed 10 Jun
Gravity: I2C IP68 Waterproof Ambient Light Sensor (1-65535lx)
SKU: DF-SEN0562 | Brand: DFRobot
What is an Ambient Light Sensor?An ambient light sensor is a type of sensor that measures the amount of light in the surrounding environment. These sensors can be used in various applications, including lighting and b...
Delivered by Fri 19 Jun
Adafruit VCNL4040 Proximity and Lux Sensor - STEMMA QT
SKU: AF-4161 | Brand: Adafruit
The Adafruit VCNL4040 is a two-in-one proximity and ambient light sensor from Vishay. It measures proximity from 0 to 200 mm (~7.5 inches) using an on-board IR LED, and ambient light from 0.0125 to 6,553 lux — all ove...
Delivered by Tue 30 Jun
Flora Lux Sensor - TSL2561 Light Sensor [v1.0]
SKU: AF-1246 | Brand: Adafruit
Add light-reactive sensing to your wearable Flora project with this high precision Lux sensor. The TSL2561 luminosity sensor is an advanced digital light sensor, ideal for use in a wide range of light situations. Comp...
Delivered by Wed 10 Jun
Light Sensor - BH1750
SKU: DF-SEN0097 | Brand: DFRobot
This is a BH1750 light intensity sensor breakout board with a 16 bit AD converter built-in which can directly output a digital signal, there is no need for complicated calculations. This is a more acurate and easier ...
Delivered by Fri 19 Jun
LilyPad Temperature Sensor
SKU: SF-DEV-08777 | Brand: SparkFun
Detecting temperature changes has never been easier. The MCP9700 is a small thermistor type temperature sensor. This sensor will output 0.5V at 0 degrees C, 0.75V at 25 C, and 10mV per degree C. Doing an analog to dig...
Delivered by Fri 19 Jun
Gravity:Analog UV Sensor V2
SKU: DF-SEN0162 | Brand: DFRobot
The Gravity Analog UV Sensor V2 uses a GUVA-S12SD photodiode to detect ultraviolet radiation in the 200–370 nm (UV-A) wavelength range. It outputs a linear analogue voltage signal proportional to UV intensity, making ...
Delivered by Fri 19 Jun
Analog UV Light Sensor Breakout - GUVA-S12SD
SKU: AF-1918 | Brand: Adafruit
An analog UV light sensor breakout based on the GUVA-S12SD photodiode, detecting the 240–370nm range covering UVB and most of the UVA spectrum. An on-board op-amp amplifies the tiny photodiode current to a readable vo...
Delivered by Tue 30 Jun
RS485 Photoelectric Solar Radiation Sensor (400-1100nm)
SKU: DF-SEN0640 | Brand: DFRobot
The RS485 Photoelectric Solar Radiation Sensor is designed for precise solar radiation measurement within the 400-1100nm spectral range. Utilizing the photoelectric principle, it converts sunlight into electric...
Delivered by Fri 19 Jun
RS485 Ultraviolet (UV) Intensity Measure Sensor (290-390nm, UVA, UVB)
SKU: DF-SEN0642 | Brand: DFRobot
An industrial-grade RS485 UV sensor that measures ultraviolet intensity (0–15 mW/cm²) and UV index (0–15) across the 290–390 nm wavelength range, covering both UVA and UVB bands. It communicates via the Modbus-RTU pro...
Delivered by Fri 19 Jun
Gravity: Factory Calibrated Correlated Color Temperature (CCT); ALS Meter for Professional Photography
SKU: DF-SEN0611 | Brand: DFRobot
The Gravity: Correlated Color Temperature (CCT) & ALS Meter is a high-performance light sensing device, specifically designed to meet the needs of professional videographers and photographers. With precise calibration...
Delivered by Fri 19 Jun
SparkFun Mini Tristimulus Color Sensor - OPT4048DTSR (Qwiic)
SKU: SF-SEN-22639 | Brand: SparkFun
The SparkFun Qwiic Mini Tristimulus Colour Sensor features the OPT4048DTSR from Texas Instruments — a high-speed, high-precision four-channel colour sensor with spectral responses closely matching the CIE 1931 tristim...
Delivered by Fri 19 Jun
SparkFun Tristimulus Color Sensor - OPT4048DTSR (Qwiic)
SKU: SF-SEN-22638 | Brand: SparkFun
The SparkFun Tristimulus Color Sensor is built around the Texas Instruments OPT4048DTSR — a high-speed, high-precision four-channel colour sensor. Three channels closely match the CIE 1931 tristimulus XYZ spectra with...
Delivered by Fri 19 Jun
Smart Color Mark Photoelectric Sensor
SKU: DF-SEN0506 | Brand: DFRobot
This cost-effective smart color mark photoelectric sensor with 8~16 mm detection range employs 4-elements LED light source. Operating at 12~24V, the color mark sensor offers 3 detection modes, and 4 output modes. It s...
Delivered by Fri 19 Jun
Gravity: TCS3430 Tristimulus Color Sensor
SKU: DF-SEN0404 | Brand: DFRobot
Devices with True Tone technology like Apple iPad Pro, iPhone, and Macs usually feature sensors that measure the ambient light colour and brightness. The device then uses this information to automatically adjust its d...
Delivered by Fri 19 Jun
Octopus Analog Photocell Brick OBPhotocell
SKU: EF-EF04032 | Brand: ElecFreaks
The Octopus Analog Photocell Brick is a light-dependent resistor (LDR) module from the ElecFreaks Octopus Electronic Bricks series. It uses a cadmium-sulfide (CdS) photocell that changes resistance based on ambient li...
Delivered by Fri 19 Jun
LilyPad Light Sensor
SKU: SF-DEV-14629 | Brand: SparkFun
The LilyPad Light Sensor is a sewable breakout board with an ALS-PT19 light sensor built in and ready to use right away. Each sensor outputs voltage between 0V and 3.3V depending on the level of ambient light shi...
Delivered by Fri 19 Jun
Linker light sensor for Arduino
SKU: TB-XC4574 | Brand: Little Bird
The light sensor, also known as the light dependent resistor (LDR). Typically, the resistance of the light sensor will decrease when the ambient light intensity increases. Linksprite Page Specificat...
Delivered by Wed 10 Jun
Gravity: I2C VEML7700 Ambient Light Sensor (0~120Klx)
SKU: DF-SEN0228 | Brand: DFRobot
The Gravity VEML7700 is a high-accuracy digital ambient light sensor that outputs readings directly in lux (lx) over an I²C interface. Built around the Vishay VEML7700 IC, it features a 16-bit ADC, a high-sensitivity ...
Delivered by Fri 19 Jun