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.
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
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
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
