Sensors
Browse our extensive range of sensor modules and breakout boards, covering temperature, distance, motion, touch, liquid level, radar, infrared, and more. Whether you're building with Arduino, Raspberry Pi, or your own custom PCB, you'll find the right sensor for your project.
Popular with Australian makers, students, and engineers for robotics, home automation, environmental monitoring, and STEM education. Fast shipping Australia-wide from our local warehouse.
Magnetic Door Switch Set
SKU: SF-COM-13247 | Brand: SparkFun
This is the Magnetic Door Switch Set, a small reed switch assembly specifically designed to alert you when doors, drawers, or any other aperture opens. These types of switches are primarily used in home security syste...
Delivered by Mon 15 Jun
SparkFun Altitude/Pressure Sensor Breakout - MPL3115A2
SKU: SF-SEN-11084 | Brand: SparkFun
Life has its ups and downs, so why not measure them? The MPL3115A2 is a MEMS pressure sensor that provides Altitude data to within 30cm (with oversampling enabled). The sensor outputs are digitized by a high reso...
Delivered by Mon 15 Jun
DS18B20 Digital temperature sensor + extras
SKU: AF-374 | Brand: Adafruit
These 1-wire digital temperature sensors are fairly precise (±0.5°C over much of the range) and can give up to 12 bits of precision from the onboard digital-to-analog converter. They work great with any microcontro...
Delivered by Mon 15 Jun
DHT11 basic temperature-humidity sensor + extras
SKU: AF-386 | Brand: Adafruit
The DHT11 is a basic, ultra low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no an...
Delivered by Mon 15 Jun
Non-Invasive Current Sensor - 30A
SKU: SF-SEN-11005 | Brand: SparkFun
This non-invasive current sensor (also known as a split-core current transformer) clamps around the supply line of an electrical load to measure how much current is flowing through it. The sensor acts as an inductor, ...
Delivered by Mon 15 Jun
PSP 2-Axis Analog Thumb Joystick
SKU: AF-444 | Brand: Adafruit
Add a tiny joystick to your project with this PSP thumbstick. This is a replacement component for PSP1000's, but we think they'd make for a great little joystick/thumbstick add-on for a wearable, or portable pro...
Delivered by Mon 15 Jun
Gravity: Laser PM2.5 Air Quality Sensor For Arduino
SKU: DF-SEN0177 | Brand: DFRobot
The Gravity Laser PM2.5 Air Quality Sensor uses laser scattering to measure suspended particulate matter concentrations in the air. It detects particles from 0.3 to 10 µm in diameter and outputs digital concentration ...
Delivered by Mon 15 Jun
SparkFun DeadOn RTC Breakout - DS3234
SKU: SF-BOB-10160 | Brand: SparkFun
Here is a real time clock based on the DS3234 Real Time Clock IC. The DS3234 is a low-cost, extremely accurate SPI bus real-time clock with an integrated temperature-compensated crystal oscillator and crystal. Th...
Delivered by Mon 15 Jun
Gravity: Arduino Infrared Motion Sensor
SKU: DF-SEN0018 | Brand: DFRobot
This is a simple to use arduino motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the 'alarm' pin will go low. This sensor c...
Delivered by Mon 15 Jun
Gravity: UART Infrared CO2 Sensor (0-50000ppm), air sensor
SKU: DF-SEN0220 | Brand: DFRobot
The Gravity UART Infrared CO2 Sensor uses non-dispersive infrared (NDIR) technology to measure carbon dioxide concentrations from 0 to 50,000 ppm. It offers excellent selectivity with no oxygen dependency, built-in te...
Delivered by Mon 15 Jun
Gravity: Analog Slide Position (Potentiometer) Sensor For Arduino
SKU: DF-DFR0053 | Brand: DFRobot
This arduino Slide Position Sensor is based on straight-slip slide potentiometer sensor. The sensor is able to give provide the position of the slider which is often considered as a linear potentiometer . The ...
Delivered by Mon 15 Jun
SparkFun Line Sensor Breakout - QRE1113 (Digital)
SKU: SF-ROB-09454 | Brand: SparkFun
The SparkFun QRE1113 Line Sensor Breakout (Digital) is a compact IR reflectance sensor board that outputs a digital signal based on surface reflectivity. It uses a capacitor discharge circuit — the faster the 10 nF ca...
Delivered by Mon 15 Jun
RFID Button - 16mm (125kHz)
SKU: SF-SEN-09417 | Brand: SparkFun
This is a simple, thumbnail-size RFID tag. These tags are great for sensing presence, identification, etc., and they’re small, so they can be easily sewn into clothing or inserted into enclosures. Each tag comes with ...
Delivered by Mon 15 Jun
LPG Gas Sensor - MQ-6
SKU: SF-SEN-09405 | Brand: SparkFun
A simple-to-use MQ-6 gas sensor for detecting liquefied petroleum gas (LPG) — primarily propane and butane — in the air. The sensor detects concentrations from 200 to 10,000 ppm with high sensitivity and fast response...
Delivered by Mon 15 Jun
Methane CNG Gas Sensor - MQ-4
SKU: SF-SEN-09404 | Brand: SparkFun
This is a simple-to-use compressed natural gas (CNG) sensor, suitable for sensing natural gas (composed of mostly Methane [CH4]) concentrations in the air. The MQ-4 can detect natural gas concentrations anywhere from ...
Delivered by Mon 15 Jun
LPS331AP Pressure/Altitude Sensor Carrier with Voltage Regulator
SKU: PL-2126 | Brand: Pololu
A breakout board for ST's LPS331AP digital barometric pressure sensor. This sensor measures absolute pressure from 260 to 1260 mbar with excellent accuracy (±2 mbar), making it ideal for altitude estimation, weather m...
Delivered by Mon 15 Jun
Air Quality and Environmental Control HAT for Raspberry Pi
SKU: KI-5038 | Brand: Kitronik
The Kitronik Air Quality Control HAT for Raspberry Pi lets you monitor, log, and react to environmental data using the BME688 sensor. It measures temperature, pressure, humidity, air quality index, and eCO2, with an o...
Delivered by Mon 15 Jun
TFS20-L ToF LiDAR Sensor (20m, Sunlight Resistant, 1.35g)
SKU: DF-SEN0672 | Brand: DFRobot
The Benewake TFS20-L is an ultra-compact ToF LiDAR sensor weighing just 1.35g. With 20m range, centimetre-level accuracy, and 100K LUX sunlight resistance, it's designed for drones, robots, and space-constrained appli...
Delivered by Mon 15 Jun
Yahboom K230 vision module + Adjustable Bracket
SKU: YH-3000101267 | Brand: Yahboom
Yahboom K230 vision module is a high-performance, low-power embedded AI vision processing module designed for edge computing scenarios. It is designed based on the end-side AloT chip of the RISC-V architecture, with 6...
Delivered by Mon 15 Jun
Fermion: GR10-30 Gesture Sensor (Breakout, UART & I2C, 12 Gestures, 0~30cm)
SKU: DF-SEN0543 | Brand: DFRobot
This GR10-30 gesture sensor is capable of recognizing 12 hand gestures: move up, down, left, right, forward & backward, rotate clockwise & counterclockwise, rotate clockwise & counterclockwise continuously, hover, and...
Delivered by Mon 15 Jun
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