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.
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 Fri 3 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 Mon 15 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 Mon 15 Jun
PIR (motion) sensor
SKU: AF-189 | Brand: Adafruit
PIR sensors are used to detect motion from pets/humanoids from about 20 feet away (possibly works on zombies, not guaranteed). This one has an adjustable delay before firing (approx 2-4 seconds), adjustable sensiti...
Delivered by Mon 15 Jun
Membrane 3x4 Matrix Keypad + extras [3x4]
SKU: AF-419 | Brand: Adafruit
Punch in your secret key into this numeric matrix keypad. This keypad has 12 buttons, arranged in a telephone-line 3x4 grid. It's made of a thin, flexible membrane material with an adhesive backing (just remove the...
Delivered by Fri 3 Jul
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 Fri 3 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 Mon 15 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 Fri 3 Jul
Rotary Encoder + Extras
SKU: AF-377 | Brand: Adafruit
This high-quality 24-pulse rotary encoder features detented rotation with a satisfying click at each step, a built-in push-button switch, and a panel-mount design. It comes with a soft-touch knob with an arrow indicat...
Delivered by Mon 15 Jun
Tracking Module for ring:bit car v2
SKU: EF-EF03424 | Brand: ElecFreaks
Ring:bit car V2 line following module is a dedicated module designed for the Ring:bit car V2, it is easy to be installed to achieve the line following function for the Ring:bit car V2.Equipped with double infrared ...
Delivered by Wed 24 Jun
SparkFun Sound Detector (with Headers)
SKU: SF-SEN-14262 | Brand: SparkFun
The SparkFun Sound Detector is a small and very easy-to-use audio sensing board with three different outputs. The Sound Detector not only provides an audio output, but also a binary indication of the presence of sound...
Delivered by Wed 24 Jun
Adafruit TSC2007 I2C Resistive Touch Screen Controller
SKU: AF-5423 | Brand: Adafruit
The Adafruit TSC2007 is an I2C resistive touch screen controller that offloads touch reading from your microcontroller. Instead of using multiple analog pins and constant polling, the TSC2007 handles all the touch sen...
Delivered by Fri 3 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 Fri 3 Jul
Adafruit Feather nRF52840 Sense
SKU: AF-4516 | Brand: Adafruit
The Feather nRF52840 Sense takes the popular Feather nRF52840 Express and adds a suite of on-board environmental and motion sensors. It features Bluetooth Low Energy, native USB, CircuitPython and Arduino support, plu...
Delivered by Fri 3 Jul
Multifunction DHT11 LM35 Temperature Humidity Easy Module Shield for Arduino UNO
SKU: EC-ARS03218S | Brand: Elecrow
The board is designed for beginners in Arduino, with various components available that makes you build more than 10 projects easily. You won’t have to solder or connect anything at all, just plug it in a shield and st...
Delivered by Mon 15 Jun
HC-SR04 Ultrasonic Sonar Distance Sensor + 2 x 10K resistors
SKU: AF-3942 | Brand: Adafruit
The HC-SR04 is an ultrasonic distance sensor that measures distances from approximately 2 cm to 400 cm (best results between 10–250 cm). Widely used in robotics, automation, interactive art, and motion sensing project...
Delivered by Mon 15 Jun
Magnetic contact switch (door sensor)
SKU: AF-375 | Brand: Adafruit
A magnetic reed switch encased in an ABS plastic shell, commonly used to detect when a door, window, or drawer is opened. The switch half contains a normally-open reed contact, and the other half is a magnet. When the...
Delivered by Fri 3 Jul
Liquid Flow Meter - Plastic 1/2 NPS Threaded
SKU: AF-828 | Brand: Adafruit
An inline flow sensor for measuring liquid or water flow in solar heating, computer cooling, irrigation, and other fluid projects. The sensor uses a pinwheel with a magnet and an external hall effect sensor to count r...
Delivered by Mon 15 Jun
Spare part (outdoor unit) for Professional Wireless Weather Station
SKU: LB-LS7682 | Brand: Little Bird
This spare outdoor unit set is designed for use with professional wireless weather stations, providing the essential sensors needed to accurately monitor local weather conditions. Ideal as a replacement set or for cus...
Delivered by Mon 15 Jun
Adafruit STEMMA Reflective Photo Interrupt Sensor - TCRT1000
SKU: AF-5913 | Brand: Adafruit
The Adafruit STEMMA Reflective Photo Interrupt Sensor uses a TCRT1000 right-angle optical module to detect reflective surfaces. An onboard IR LED emits light, and when an object reflects it back to the IR phototransis...
Delivered by Fri 3 Jul
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