Motion (PIR, ultrasonic)
Motion and proximity sensors for every detection challenge — PIR passive infrared, ultrasonic rangefinders, microwave radar, laser ToF, accelerometers, gyroscopes, and vibration sensors all in one place. Perfect for robotics, security systems, gesture control, and STEM projects.
Whether you're building an automatic light switch, a collision-avoiding robot, or a people counter, you'll find the right sensor here. Delivered to makers, students, and engineers across Australia.
Ultrasonic Distance Sensor HC-SR04
SKU: LB-LR0230 | Brand: Little Bird
The HC-SR04 is a widely used ultrasonic distance sensor that measures distances from 2cm to 500cm (approximately 5 metres) with 1cm resolution. It works by emitting a 40kHz ultrasonic pulse, then measuring the time it...
Delivered by Thu 20 Aug
Sonar:bit for micro:bit Ultrasonic Sensor Distance Measuring 3V/5V
SKU: EF-EF04089 | Brand: ElecFreaks
Sonar:bit is a 3-wire ultrasonic distance sensor designed for micro:bit and Arduino projects. Operating on 3–5V, it works directly with both 3.3V and 5V systems using a single GVS cable — saving an I/O port compared t...
Delivered by Thu 20 Aug
Little Bird 45 in 1 sensor kit for Arduino
SKU: LB-LR20 | Brand: Little Bird
This kit brings together a wide range of sensor and interface modules for Arduino projects, experiments and classroom learning. It includes input sensors, output modules, switching modules, power modules and useful bu...
Delivered by Thu 20 Aug
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 Thu 20 Aug
Weatherproof Ultrasonic Sensor with Separate Probe
SKU: DF-SEN0208 | Brand: DFRobot
Most ultrasonic distance sensors aren't waterproof which can be a problem if you need your project to withstand the elements outdoors. No need to worry any more! We have developed waterproof ultrasonic distance senso...
Delivered by Thu 20 Aug
Maxbotix Ultrasonic Rangefinder - LV-EZ0 [LV-EZ0]
SKU: AF-979 | Brand: Adafruit
The LV-EZ0 from MaxBotix is a compact ultrasonic rangefinder providing short to long-range detection. It can detect objects from 0 to 254 inches (6.45 m) and provides calibrated range information from 6 inches out to ...
Delivered by Thu 20 Aug
Learn to Solder - DIY Ultrasonic Ranging Electronic Kit
SKU: LB-LS6569 | Brand: Little Bird
A DIY soldering kit that builds into a functional ultrasonic distance meter. Using an HC-SR04 ultrasonic sensor, STC89C52 microcontroller, and 3-digit 7-segment display, this kit measures distances from 5cm to 4m with...
Delivered by Thu 20 Aug
HC-SR04 Ultrasonic Sensor Distance Measuring Module Ultra01+
SKU: EF-EF03085 | Brand: ElecFreaks
The HC-SR04 is a widely used ultrasonic distance sensor that provides non-contact measurement from 2 cm to 450 cm with up to 3 mm resolution. It uses a 40 kHz ultrasonic transducer pair — one transmitter and one recei...
Delivered by Thu 20 Aug
Gravity: URM09 Ultrasonic Sensor ( I²C)
SKU: DF-SEN0304 | Brand: DFRobot
DFRobot URM09 is an ultrasonic sensor specifically designed for fast ranging and obstacle avoidance application. Its measuring frequency can reach up to 50Hz. The sensor adopts built-in temperature compensation and I2...
Delivered by Thu 20 Aug
Ultra Sonic range measurement module
SKU: SS-101990004 | Brand: Seeed Studio
This is a non-contact distance measurement module, which is also compatible with electronic brick. It’s designed for easy modular project usage with industrial performance. Features Detecting range: 3cm-4...
Delivered by Thu 20 Aug
Ultrasonic Scanner kit(180°)
SKU: DF-KIT0020 | Brand: DFRobot
An Ultrasonic sensor with scan capability is a must have feature for most robot application. This Ultrasonic scanner kit provides a cost effective way to have such feature for your robot application. This kit is...
Delivered by Thu 20 Aug
URM04 Ultrasonic Sensor (RS485)
SKU: DF-SEN0002 | Brand: DFRobot
The URM04 Ultrasonic sensor is developed based upon our popular URM37 ultrasonic sensor, it is using RS485 interface which allows multiple sensors to be used simultaneously . The RS485 interface allows a number of...
Delivered by Thu 20 Aug
