Arduino Sensors
Browse our range of Arduino-compatible sensors available for delivery across Australia. From temperature, humidity, and pressure sensors to accelerometers, gyroscopes, and liquid level detectors, you'll find the right module for your next project.
These sensor breakout boards are ideal for hobbyists, STEM educators, and makers building weather stations, robotics, IoT devices, and motion-tracking systems. Compatible with popular Arduino boards and many with Qwiic/STEMMA QT connectors for easy wiring.
IR Break Beam Sensor - 3mm LEDs
SKU: AF-2167 | Brand: Adafruit
Infrared (IR) break-beam sensors are a simple way to detect motion. They work by having an emitter side that sends out a beam of human-invisible IR light, then a receiver across the way which is sensitive to tha...
Delivered by Tue 7 Jul
Octopus PIR Sensor Brick
SKU: EF-EF04055 | Brand: ElecFreaks
OCTOPUS PIR Sensor module is a type of electronic building block based on AM412 pyroelectric digital smart sensor. It can be used in sensing and detection of human or animal motion, sensing distance is about 4-5 me...
Delivered by Wed 17 Jun
Hall effect sensor [US5881LUA]
SKU: AF-158 | Brand: Adafruit
Hall effect sensors detect whether a magnet is near. Useful for non-contact/waterproof type switches, position sensors, rotary/shaft encoders. I tried dozens of different hall effect sensors to see which one wou...
Delivered by Wed 17 Jun
Medium Vibration Sensor Switch
SKU: AF-2384 | Brand: Adafruit
The "poor man's" accelerometer/motion sensor! These spring-vibration switches are medium sensitivity non-directional vibration induced trigger switches. Inside is a medium hardness spring coiled around a long metal...
Delivered by Tue 7 Jul
IR (Infrared) Receiver Sensor [TSOP38238]
SKU: AF-157 | Brand: Adafruit
IR sensor tuned to 38KHz, perfect for receiving commands from a TV remote control. Runs at 3V to 5V so it's great for any microcontroller.To use, connect pin 3 (all the way to the right) to 5V power, pin 2 (middle) to...
Delivered by Wed 17 Jun
IR Break Beam Sensor - 5mm LEDs
SKU: AF-2168 | Brand: Adafruit
Infrared (IR) break-beam sensors are a simple way to detect motion. They work by having an emitter side that sends out a beam of human-invisible IR light, then a receiver across the way which is sensitive to that s...
Delivered by Tue 7 Jul
Mini Basic PIR Sensor - BS412
SKU: AF-4666 | Brand: Adafruit
A compact passive infrared (PIR) motion sensor that detects movement from approximately 3–8 metres away. Much smaller than standard PIR modules, making it ideal for unobtrusive, space-constrained projects. Fully self-...
Delivered by Tue 7 Jul
3x4 Matrix Keypad
SKU: AF-3845 | Brand: Adafruit
This 3×4 matrix keypad provides 12 buttons (0–9, *, #) in a sturdy, rigid format. It uses a matrix scanning arrangement requiring only 7 pins to read all 12 keys, making it efficient to connect to Arduino, Raspberry P...
Delivered by Wed 17 Jun
Gravity: Infrared Light Photo Interrupter Module (Wavelength 940nm)
SKU: DF-DFR1129 | Brand: DFRobot
##Introduction The Gravity: Photo Interrupter Module integrates a high-performance ITR9608 photoelectric switch. Its compact design and easy operation make it an ideal choice for electronic projects and applications. ...
Delivered by Fri 26 Jun
Ultrasonic Distance Sensor - 3.3V (HC-SR04), 180° (red) - SparkFun Electronics
SKU: SF-SEN-28798 | Brand: SparkFun
This is the HC-SR04 ultrasonic distance sensor, now in Red! This economical sensor offers non-contact measurement functionality ranging from 2cm to 400cm, with a ranging accuracy of up to 3mm. Each HC-SR04 ...
Delivered by Fri 26 Jun
Magnetic Contact Switch Sensor for Arduino
SKU: DF-SEN0481 | Brand: DFRobot
This magnetic switch (reed switch) consists of two magnetic reeds (usually composed of iron and nickel) sealed in a plastic case. The two magnetic reeds are overlapped but there is a small gap between them. When a sui...
Delivered by Fri 26 Jun
Optomax Digital Liquid Level Sensor
SKU: AF-3397 | Brand: Adafruit
The Optomax is an optical liquid level sensor that detects the presence or absence of almost any liquid — oil or water based. Inside the polysulfone housing, an infrared LED and matching phototransistor work together:...
Delivered by Tue 7 Jul
High Temp Waterproof DS18B20 Digital Temperature Sensor - 3m long
SKU: AF-3846 | Brand: Adafruit
This is a pre-wired and waterproofed version of the DS18B20 sensor made with a PTFE wire cable. Handy for when you need to measure something far away, or in wet conditions. This sensor is a little more expensive th...
Delivered by Tue 7 Jul
High Temp Waterproof DS18B20 Digital temperature sensor + extras
SKU: AF-642 | Brand: Adafruit
This is a pre-wired and waterproofed version of the DS18B20 sensor made with a PTFE wire cable. Handy for when you need to measure something far away, or in wet conditions. This sensor is a little more expensive th...
Delivered by Tue 7 Jul