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
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
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
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
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
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
E-Textiles Light Sensor-TEMT6000
SKU: LB-LS0239 | Brand: Little Bird
This e-textiles ambient light sensor uses the TEMT6000 phototransistor to detect light levels. Designed for wearable electronics, it features a compact 20 mm round PCB that's only 0.8 mm thick — thin enough to sew int...
Delivered by Wed 10 Jun
Adafruit ALS-PT19 Analog Light Sensor Breakout
SKU: AF-2748 | Brand: Adafruit
The Adafruit ALS-PT19 is a compact analog light sensor that provides a simple voltage output proportional to ambient light intensity. Its spectral response closely matches that of the human eye, thanks to a high infra...
Delivered by Wed 10 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
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
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
Ambient Light Sensor - TEMT6000x01
SKU: SF-COM-08348 | Brand: SparkFun
The TEMT6000x01 is a compact ambient light sensor that operates as an NPN phototransistor. The more light that hits the sensor, the stronger the base bias, producing an analog output proportional to the ambient light ...
Delivered by Wed 10 Jun
Gravity:Analog Grayscale Sensor For Arduino
SKU: DF-DFR0022 | Brand: DFRobot
The Gravity Analogue Grayscale Sensor measures reflected light intensity, outputting an analogue value that ranges from black (low) to white (high). It uses a photocell paired with an integrated white LED to illuminat...
Delivered by Fri 19 Jun
Light and temperature data-logger pack
SKU: AF-249 | Brand: Adafruit
This pack includes everything you need to build a light and temperature data logger with an Arduino. The Adafruit data logger shield records sensor readings to an SD card with real-time timestamps, while the included ...
Delivered by Tue 30 Jun
ALS-PT19 Light Sensor
SKU: SF-SEN-12566 | Brand: SparkFun
The ALS-PT19 is a compact SMD ambient light sensor, significantly smaller than standard through-hole alternatives like the TEMT6000. Functioning as an NPN phototransistor, it provides an analogue voltage output propor...
Delivered by Fri 19 Jun
Light Sensor Gizmo for Playground - Analog Input
SKU: TR-GIZLIGHT | Brand: 4tronix
The Playground system is an easy way to connect from Crumble, Raspberry Pi or BBC micro:bit to useful GizmosThe Light Sensor Gizmo provides an easy way to connect an Analog input which varies with the brightness of th...
Out of stock