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.
Gravity: Arduino PIR (Motion) Sensor
SKU: DF-SEN0171 | Brand: DFRobot
A passive infrared (PIR) motion sensor from DFRobot's Gravity series. It detects infrared radiation from people and animals in motion and outputs a digital HIGH signal when movement is detected — ideal for security sy...
Delivered by Thu 20 Aug
Mini PIR Sensor with Time and Sensitivity Control - BS612
SKU: AF-5578 | Brand: Adafruit
The BS612 is a compact, fully configurable mini PIR motion sensor that detects movement from approximately 3–8 metres away with a 120° detection spread. Its small form factor makes it ideal for unobtrusive motion-sens...
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
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
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 Thu 20 Aug
Gravity: Analog Adjustable Infrared Sensor Switch (50cm)
SKU: DF-SEN0164 | Brand: DFRobot
This adjustable infrared sensor features a high-sensitivity photoreflector to perform distance detection function,ranging from 3cm to 50cm. When the infrared light emitted by the emitter gets reflected on a surface...
Delivered by Thu 20 Aug
