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.
A02YYUW Waterproof Ultrasonic Sensor
SKU: DF-SEN0311 | Brand: DFRobot
A commercial-grade waterproof ultrasonic distance sensor with UART serial output. The A02YYUW features a much smaller blind zone (3 cm) and wider sensing angle than many comparable sensors, plus penetration through sm...
Delivered by Fri 19 Jun
A01NYUB Waterproof Ultrasonic Sensor
SKU: DF-SEN0313 | Brand: DFRobot
A waterproof ultrasonic distance sensor with UART serial output. The A01NYUB measures distance by timing the ultrasonic pulse echo and outputs the result directly via asynchronous serial at 9600 bps — no external sign...
Delivered by Tue 30 Jun
Gravity: AI Visual Gesture and Face Tracking Sensor (5 Gestures, Range 3m)
SKU: DF-SEN0626 | Brand: DFRobot
##Introduction The AI Visual Gesture and Face Tracking Sensor is a high-performance, offline AI recognition module designed for non-contact interaction. With advanced facial tracking and gesture recognition capabiliti...
Delivered by Tue 30 Jun
Miniature Ultrasonic Distance Ranging Obstacle Avoidance Sensor (3m, RS485, IP67)
SKU: DF-SEN0591 | Brand: DFRobot
##Introduction With a measurement range of up to 3m, the RS485 ultrasonic obstacle avoidance distance ranging sensor offers advantages such as small blind zones (Measurement accuracy: 1 + (S * 0.3%) cm), narrow measur...
Delivered by Tue 30 Jun
IP68 Underwater Ultrasonic Obstacle Avoidance Sensor (3m, UART)
SKU: DF-SEN0598 | Brand: DFRobot
An IP68-rated ultrasonic obstacle avoidance sensor specifically designed for underwater applications. With a measurement range of 2–300cm and UART output, this compact sensor enables underwater vehicles and robots to ...
Delivered by Tue 30 Jun
Ultrasonic Distance Ranging Obstacle Avoidance Sensor (5m, RS485, IP67)
SKU: DF-SEN0592 | Brand: DFRobot
The ultrasonic distance range sensor uses ultrasonic technology to detect obstacles up to 5 meters away in robot automation control applications. It offers advantages such as small blind zones (Measurement accura...
Delivered by Tue 30 Jun
URM15 - 75KHZ Ultrasonic Sensor (30~500cm, RS485)
SKU: DF-SEN0519 | Brand: DFRobot
The DFRobot URM15 is an industrial-grade ultrasonic ranging sensor with an IP65-rated waterproof probe. It provides an effective measuring range of 30–500 cm (tested against a flat wall) and communicates via an RS485 ...
Delivered by Tue 30 Jun
URM37 Ultrasonic Sensor for Arduino / Raspberry Pi
SKU: DF-SEN0001 | Brand: DFRobot
URM37 V4.0 Arduino Ultrasonic Sensor comes with temperature compensation which provides better distance measurement accuracy. It is very unique feature in the industry. URM37 V4.0 Arduino Ultrasonic Sensor offers ...
Delivered by Fri 19 Jun
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 Fri 19 Jun