Proximity & Distance
Proximity and distance sensors for every project — ultrasonic, IR, LiDAR, ToF, and capacitive types, all stocked in Australia. Whether you're building a robot, an obstacle-avoidance system, or a smart home trigger, you'll find the right sensor here.
Popular with makers, students, and engineers alike, these sensors suit Arduino, Raspberry Pi, and microcontroller projects at any skill level. From short-range gesture detection to 50m laser ranging, there's a solution for hobbyist, STEM, and professional applications.
5V IR Photoelectric Switch (4m)
SKU: DF-SEN0523 | Brand: DFRobot
This IR break-beam photoelectric switch detects objects by sending an invisible infrared beam from an emitter to a receiver. When a non-transparent object passes between the two and breaks the beam, the receiver outpu...
Delivered by Tue 23 Jun
Laser Ranging Sensor RS485 (4-400cm)
SKU: DF-SEN0492 | Brand: DFRobot
This laser range sensor can be used to detect objects in 4~400cm with ±2cm accuracy. With 3 measurement modes supported, it is well applicable to various detection scenarios like security gate detection, access contro...
Delivered by Tue 23 Jun
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 Fri 12 Jun
CS20 Dual-Resolution 3D TOF Solid-state LiDAR (5V, 5m)
SKU: DF-SEN0579 | Brand: DFRobot
This CS20 Dual-Resolution 3D TOF Solid-state LiDAR is equipped with a ToF image sensor with a resolution of 640*480 and uses ToF technology to capture three-dimensional information of objects and space. It can accu...
Delivered by Tue 23 Jun
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 Fri 12 Jun
3D ToF Depth Sensor Camera with 1.14 Inch LCD Screen (0.15~1.5m, supports ROS1 and ROS2)
SKU: DF-SEN0581 | Brand: DFRobot
The DFRobot 3D ToF (Time-of-Flight) Depth Sensor Camera combines a BL702 processor with a 100×100 ToF sensor to measure distances from 0.15 to 1.5 metres. A built-in 1.14-inch LCD screen provides real-time preview of ...
Delivered by Tue 23 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 23 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 23 Jun
URM06 - UART Ultrasonic Sensor
SKU: DF-SEN0150 | Brand: DFRobot
Ultrasonic sensors emit ultrasonic pulses, and by measuring the time of ultrasonic pulse reaches the object and back to the transducer, the distance of sensor from the target object is calculated. They are widely used...
Delivered by Tue 23 Jun
TOF Sense Laser Range Sensor (5m)
SKU: DF-SEN0337 | Brand: DFRobot
TOF Sense is a TOF-based (Time of Flight) laser ranging sensor that offers 1cm-5m detection range, 1mm resolution, ± 1.5cm error, and 10Hz data update frequency. The sensor supports 15 ° ~ 27 ° adjustable FOV, UART an...
Delivered by Tue 23 Jun
SCXL-MaxSonar-WRST7 (MB7574)
SKU: DF-SEN0278 | Brand: DFRobot
The MB7574 SCXL-MaxSonar-WRST7 is a weather-resistant ultrasonic distance sensor designed for outdoor use. It provides millimetre-resolution measurements from 500mm to 5000mm with a 0.58Hz read rate, and includes thre...
Delivered by Tue 23 Jun
IR distance sensor includes cable (20cm-150cm) [GP2Y0A02YK]
SKU: AF-1031 | Brand: Adafruit
This SHARP distance sensor bounces IR off objects to determine how far away they are. It returns an analog voltage that can be used to determine how close the nearest object is. Comes with 8" long 3-JST interface wire...
Delivered by Thu 2 Jul
SRF05 ultrasonic sensor
SKU: DF-SEN0006 | Brand: DFRobot
The latest model SRF05 Detection range of 3 cm from the original SRF04 -3 m, increased to 1 cm -4 meters. RF04 is compatible with the original. Also has smaller side lobes. Ultrasonic module can be used to identi...
Delivered by Tue 23 Jun