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.
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
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
TCS3200 RGB Color Sensor For Arduino
SKU: DF-SEN0101 | Brand: DFRobot
An RGB colour sensor breakout board based on the TAOS TCS3200 chip, with four built-in white LEDs for illumination. The TCS3200 can detect and measure a wide range of visible colours by converting light intensity to a...
Delivered by Fri 19 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
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
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
Gravity: Analog Ambient Light Sensor For Arduino
SKU: DF-DFR0026 | Brand: DFRobot
Here comes DFRobot's new Analog Ambient Light Sensor for Arduino or Raspberry Pi. Brand new design and much more convenient to use. This sensor help you to detect the light density and reflect the analog voltage s...
Delivered by Fri 19 Jun
Laser Diode - 5mW 650nm Red
SKU: AF-1054 | Brand: Adafruit
You have some frickin' sharks at your lair, and you're thinking "it would be really great if I could attach some lasers to them" and then you see these little laser diode modules: what great timing! These encapsulated...
Delivered by Tue 30 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
Octopus light sensor
SKU: EF-EF04092 | Brand: ElecFreaks
The Octopus Light Sensor Brick reads the ambient light level of its surrounding environment and outputs an analog signal. The 3-pin GVS connector makes it easy to plug into micro:bit expansion boards, Arduino, and oth...
Delivered by Wed 10 Jun
Ambient Light Sensor(0-200klx)
SKU: DF-SEN0390 | Brand: DFRobot
A high-precision ambient light sensor housed in a transparent semisphere case for optimal light-gathering performance. With a wide 0–200 klx detection range and I2C communication, this sensor is ideal for applications...
Delivered by Wed 10 Jun
Mini Photocell
SKU: DF-FIT0180 | Brand: DFRobot
This type of photoresistor is made of environment-friendly materials(no Cadmium and Lead) compared with the traditional CDS photoresistor. It changes resistance depending on the amount of light it is exposed to. Thes...
Delivered by Fri 19 Jun
SparkFun Ambient Light Sensor Breakout - TEMT6000
SKU: SF-BOB-08688 | Brand: SparkFun
Basic breakout board for the TEMT6000 Ambient Light Sensor. Only what you need, nothing you don’t. Sensor acts like a transistor - the greater the incoming light, the higher the analog voltage on the signal pin. Docu...
Delivered by Wed 10 Jun
Laser Detector module
SKU: LB-LS1177 | Brand: Little Bird
Laser Detector Module Want to set up your own laser tripwire? These little modules make it super simple. Just hook one up to your Arduino, line it up with a laser pointer, and you’ve got a working laser detection syst...
Delivered by Wed 10 Jun
Gravity: UV Index Sensor (240-370nm, UVA, UVB, UVC)
SKU: DF-SEN0636 | Brand: DFRobot
The Gravity UV Index Sensor measures ultraviolet radiation across the 240–370 nm wavelength range, covering UVA, UVB, and UVC bands. It directly outputs a UV index (0–11) and a harm risk level (1–5), eliminating the n...
Delivered by Fri 19 Jun