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: 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 Fri 19 Jun
SparkFun Ultrasonic Distance Sensor - TCT40 (Qwiic)
SKU: SF-SEN-24805 | Brand: SparkFun
The SparkFun Qwiic Ultrasonic Distance Sensor, a user-friendly upgrade to the popular HC-SR04 sensor, offers non-contact distance measurement from 2cm to 400cm with an accuracy of 3mm. This sensor is designed to seaml...
Delivered by Tue 30 Jun
SRF02 ultrasonic sensor
SKU: DF-SEN0005 | Brand: DFRobot
This low cost SFR02 ultrasonic ranger has both I2C and Serial interfaces. New AutoTune algorithms intelligently back the minimum range right up to the transducer ringdown for the very best performance possible, aut...
Delivered by Tue 30 Jun
SRF10 - The Worlds Smallest Dual Transducer Ultrasonic Ranger
SKU: DF-SEN0008 | Brand: DFRobot
This small sonar ranger from Devantech offers an amazing wide range from 3cm to 6m. The SRF10 is interfaced using the IIC bus. SPECIFICATIONS Voltage-5v Current-15mA Typ. 3mA Standby Frequenc...
Delivered by Tue 30 Jun
SRF08 Ultrasonic Sensor
SKU: DF-SEN0007 | Brand: DFRobot
The SRF08 is an evolutionary step up from the SRF04. It requires less power to operate, has a longer range (up to 6m) and it performs its own internal timing of the return echo. The SRF08 is also fitted with an LDR...
Delivered by Tue 30 Jun
Ultrasonic Distance Sensor with I2C Interface - RCWL-1601
SKU: AF-4742 | Brand: Adafruit
This ultrasonic distance sensor uses I2C communication instead of the traditional trigger/pulse interface, making it easy to integrate with microcontrollers and microcomputers that lack fast GPIO or hardware UART. It ...
Out of stock