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.
Bulk LDR Photoresistor - 10 pack
SKU: LB-BK-LR0282 | Brand: Little Bird
Description This Light Dependant Resistor (LDR) can be used to easily measure ambient light with your Arduino or other board with analog input. You will need to set this up as a voltage divider with a resistor of a...
Delivered by Wed 10 Jun
Light-dependent Resistor Sensor Module
SKU: LB-24-LIGHT | Brand: Little Bird
Light-dependent resistors are electronic components whose resistance changes with light intensity. They are also called LDRs, photoresistors, or photoconductors. It has four pins:3.3V : While 'VCC'...
Delivered by Wed 10 Jun
LDR Photoresistor
SKU: LB-LR0282 | Brand: Little Bird
This Light Dependant Resistor (LDR) can be used to easily measure ambient light with your Arduino or other board with analog input. You will need to set this up as a voltage divider with a resistor of around 10KΩ. ...
Delivered by Wed 10 Jun
UV Ultraviolet Ray Detection Sensor
SKU: LB-LS2299 | Brand: Little Bird
A UV detection sensor module that measures ultraviolet light intensity in the 200–370 nm wavelength range. The analogue output (0–1 V DC) is proportional to the UV Index, making it suitable for measuring UV exposure i...
Delivered by Wed 10 Jun
Laser module for Arduino
SKU: LB-LR0021 | Brand: Little Bird
High Quality Laser sensor module for Arduino. Features: Operating Voltage: 5V PCB Size: 15*24 mm Wavelength: 650 nm Depth: 8 mm Height: 24 mm Width: 15 mm Product Weight: 2.2 g
Delivered by Wed 10 Jun
Light and Colour Sensor
SKU: LB-LS1697 | Brand: Little Bird
This is the Light and Colour Sensor, a small breakout board with a built in APDS-9960 sensor that offers ambient light and colour measuring, proximity detection, and touch-less gesture sensing. With this Light...
Delivered by Wed 10 Jun
Photo Transistor Light Sensor
SKU: AF-2831 | Brand: Adafruit
This Photo Transistor Light Sensor is a simple sensor that detects ambient light. It's kind of the opposite of an LED - when light hits the little chip inside, it induces current to flow from the long pin...
Delivered by Wed 10 Jun
Adafruit TSL2591 High Dynamic Range Digital Light Sensor
SKU: AF-1980 | Brand: Adafruit
The Adafruit TSL2591 is an ultra-high-range digital light sensor with a massive 600,000,000:1 dynamic range. It features both infrared and full-spectrum photodiodes, allowing you to separately measure infrared, full-s...
Delivered by Wed 10 Jun
Adafruit BH1750 Light Sensor - STEMMA QT / Qwiic
SKU: AF-4681 | Brand: Adafruit
The Adafruit BH1750 Light Sensor is a 16-bit ambient light sensor from Rohm that provides measurements directly in lux — the SI unit for illuminance. This makes it easy to compare readings against reference values or ...
Delivered by Wed 10 Jun
BH1745 Luminance and Colour Sensor Breakout
SKU: PR-PIM375 | Brand: Little Bird
A really sophisticated and accurate colour and luminance sensor breakout that's Raspberry Pi and Arduino compatible. As well as detecting RGB colour and light level, it has added bells and whistles like 50/...
Delivered by Wed 10 Jun
TCS34725 RGB Color Sensor For Arduino
SKU: DF-SEN0212 | Brand: DFRobot
The TCS34725 is an I2C RGB colour sensor that detects the red, green, and blue components of light in its environment and returns digital colour values. With high sensitivity, a wide dynamic range, and a built-in IR b...
Delivered by Wed 10 Jun
Adafruit Right Angle VEML7700 Lux Sensor - I2C Light Sensor
SKU: AF-5378 | Brand: Adafruit
The Adafruit Right Angle VEML7700 Lux Sensor is an I2C ambient light sensor that measures calibrated lux values rather than arbitrary brightness numbers. Its unique right-angle orientation senses light coming parallel...
Delivered by Wed 10 Jun
Mini Photocell
SKU: SF-SEN-09088 | Brand: SparkFun
This is a very small light sensor. A photocell changes (also called a photodetector, photo resistor, CdS or photoconductive cell) resistance depending on the amount of light it is exposed to. These little sensors make...
Delivered by Wed 10 Jun
Photo cell (CdS photoresistor)
SKU: AF-161 | Brand: Adafruit
CdS cells are little light sensors. As the squiggly face is exposed to more light, the resistance goes down. When its light, the resistance is about 5-10KΩ, when dark it goes up to 200KΩ. To use, connect one side o...
Delivered by Wed 10 Jun
Adafruit LTR390 UV Light Sensor - STEMMA QT / Qwiic
SKU: AF-4831 | Brand: Adafruit
The Adafruit LTR390 is a dual-purpose UV and ambient light sensor with true UVA sensing at a peak spectral response between 300 and 350 nm. Unlike UV index approximation sensors, the LTR390 has a genuine UV photodiode...
Delivered by Wed 10 Jun
Octopus Analog UV sensor (GUVA-S12SD)
SKU: EF-EF04093 | Brand: ElecFreaks
Octopus Analog UV sensor (GUVA-S12SD) is the UV electric brick in our Octopus series, the basic design is from the Octopus electric bricks and the setting of its outlook, the PCB fixing hole and the connectors are the...
Delivered by Wed 10 Jun
Adafruit AS7341 10-Channel Light / Color Sensor Breakout - STEMMA QT / Qwiic
SKU: AF-4698 | Brand: Adafruit
The Adafruit AS7341 is a 10-channel multi-spectral light sensor that detects not just the amount of light present, but the specific wavelengths — giving you far more detailed colour information than a simple RGB senso...
Delivered by Wed 10 Jun
Gravity: Analog Ambient Light Sensor TEMT6000
SKU: DF-SEN0043 | Brand: DFRobot
An analog ambient light sensor based on the TEMT6000 detector, which has a spectral response closely matching the human eye with very low IR sensitivity. It outputs an analog voltage proportional to the ambient light ...
Delivered by Wed 10 Jun
Electronics Components Basic Starter Kit
SKU: LB-LS7756 | Brand: Little Bird
Packing list: 10 × White LEDs10 × Yellow LEDs10 × Blue LEDs10 × Green LEDs10 × Red LEDs1 × RGB LED2 × Photoresistors (LDR)1 × Thermistor5 × Rectifier Diodes (1N4007)5 × NPN Transistors (PN2222)1 × Optocoupler IC ...
Delivered by Wed 10 Jun
DFRobot AS7341 11-Channel Visible Light Sensor-Breakout
SKU: DF-SEN0365 | Brand: DFRobot
We live in a colorful world, but how much do you really know about color? You eyes may deceive you, while the sensors don’t lie. This AS7341 11-Channel Visible Light Sensor-Breakout can tell you the truth about col...
Delivered by Wed 10 Jun