Sensors & Modules
Explore a broad range of sensors and modules for electronics projects, from temperature and distance sensors to IMUs, relay modules, ADC breakouts, and liquid level sensors. Whether you're building a weather station, robotics project, or home automation system, you'll find the right component here.
Popular with Australian hobbyists, STEM educators, and professional makers, these modules work with Arduino, Raspberry Pi, and other common platforms. Fast shipping across Australia to get your project moving.
Disposable ECG Electrodes Pack
SKU: DF-FIT0510 | Brand: DFRobot
These disposable ECG electrodes are designed for electrocardiogram (ECG) and other biopotential measurements. Each pack contains 12 self-adhesive electrodes made with breathable nonwoven fabric and medical-grade hypoa...
Delivered by Mon 24 Aug
Force Sensitive Resistor 0.5
SKU: SF-SEN-09375 | Brand: SparkFun
This is a force sensitive resistor with a round, 0.5" diameter, sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the ...
Delivered by Thu 13 Aug
ESP-WROOM-32 (ESP32 WiFi-BT-BLE MCU Module)
SKU: EC-WCW32110W | Brand: Elecrow
The ESP-WROOM-32 is Espressif's powerful Wi-Fi, Bluetooth Classic, and BLE module built around the ESP32 dual-core processor. It's a versatile platform for IoT applications ranging from low-power sensor networks to de...
Delivered by Thu 13 Aug
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 Thu 13 Aug
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 Thu 13 Aug
ESP32-S3-WROOM-1-N4 Module (PCB Antenna)
SKU: DF-DFR0896 | Brand: DFRobot
The ESP32-S3-WROOM-1-N4 is a powerful Wi-Fi and Bluetooth LE MCU module built around the ESP32-S3 SoC. Featuring a dual-core Xtensa LX7 processor running at up to 240MHz, 4MB SPI flash, and hardware acceleration for n...
Delivered by Thu 13 Aug
Soil Moisture Sensor
SKU: EC-SPM32100S | Brand: Elecrow
This Moisture Sensor can be used to detect the moisture of soil or your pet plant's water level, let the plants in your garden reach out for human help. With the Octopus Electronic Bricks interface can very easy to us...
Delivered by Thu 27 Aug
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 Thu 13 Aug
Short Flex Sensor
SKU: AF-1070 | Brand: Adafruit
This sensor can detect flexing or bending in one direction. They were popularized by being used in the Nintendo PowerGlove as a gaming interface.These sensors are easy to use, they are basically resistors that chan...
Delivered by Thu 13 Aug
Miniature Reflective Infrared Optical Sensors - 5 Pack - ITR20001/T
SKU: AF-3930 | Brand: Adafruit
This Reflective IR Sensor is a simple plastic casing with two elements - an IR LED and an IR phototransistor. You can control the IR LED and turn it on to bounce IR off objects to determine their reflectivity. Whit...
Delivered by Fri 4 Sep
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 Mon 24 Aug
SparkFun Line Sensor Breakout - QRE1113 (Analog)
SKU: SF-ROB-09453 | Brand: SparkFun
This version of the QRE1113 breakout board features an easy-to-use analog output, which will vary depending on the amount of IR light reflected back to the sensor. This tiny board is perfect for line sensing applic...
Delivered by Thu 13 Aug
Gravity: Arduino Analog Flame Sensor
SKU: DF-DFR0076 | Brand: DFRobot
This Gravity analog flame sensor detects fire and infrared light sources in the 760–1,100 nm wavelength range. With a 60° detection angle and analogue output proportional to flame distance, it's widely used in firefig...
Delivered by Thu 13 Aug
Optical Detector / Phototransistor - QRD1114
SKU: SF-SEN-00246 | Brand: SparkFun
This sensor uses an infrared emitted diode combined with an infrared phototransistor to detect the reflected infrared signal. Ideal for sensing black-to-white transitions or can be used to detect nearby objects (.5-1cm).
Delivered by Thu 13 Aug
Gravity: Arduino LM35 Temperature Sensor
SKU: DF-DFR0023 | Brand: DFRobot
This is an Arduino Temperature Sensor based on LM35 temperature chip. A Temperature Sensor can be used to detect ambient air temperature.The LM35 chip is produced by National Semiconductor Corporation and offers a fun...
Delivered by Thu 13 Aug
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 Thu 13 Aug
Mini 2-Axis Analog Thumbstick
SKU: AF-2765 | Brand: Adafruit
The Mini 2-Axis Analog Thumbstick is a compact, self-centring joystick with a black rocker cap, similar in style to PSP joysticks. It provides smooth directional analogue input using two 10 kΩ potentiometers — one for...
Delivered by Thu 13 Aug
Flex Sensor 2.2
SKU: SF-SEN-10264 | Brand: SparkFun
A simple flex sensor 2.2" in length. As the sensor is flexed, the resistance across the sensor increases. Patented technology by Spectra Symbol - they claim these sensors were used in the original Nintendo Power Gl...
Delivered by Thu 13 Aug
Gravity: Arduino DHT11 Temperature Humidity Sensor
SKU: DF-DFR0067 | Brand: DFRobot
This Gravity-compatible DHT11 sensor provides calibrated digital temperature and humidity readings via a single data pin. With an integrated 8-bit microcontroller and factory-calibrated coefficients stored in OTP memo...
Delivered by Mon 24 Aug
Force Sensitive Resistor - Square
SKU: SF-SEN-09376 | Brand: SparkFun
This is a force sensitive resistor with a square, 1.75x1.5", sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the res...
Delivered by Thu 13 Aug
Compare your options
All buying guides
The Teacher's Guide to micro:bit Robots: Kits, Buggies, and Robotics Compared
Compare micro:bit-compatible robot kits, buggies, and robotics platforms by age range, assembly difficulty, sensors, and curriculum fit — for classrooms, clubs, and home learners across Australia.
49 products compared
Title The Maker's Guide to ADCs: Resolution, Speed, and Interface Compared
Compare analogue-to-digital converters by bit depth, sample rate, and bus (I²C vs SPI) to pick the right chip for your Arduino, Raspberry Pi, or microcontroller project.
16 products compared