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.
LPB40B IP65 DToF Single-Point Ranging LiDAR Sensor (0.05-40m, UART)
SKU: DF-SEN0586 | Brand: DFRobot
The LPB40B is a single-point ranging LiDAR sensor based on Direct Time-of-Flight (DToF) technology. It measures distances from 0.05 to 40 m on high-reflectivity targets, with ±5 cm accuracy across the full range. The ...
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
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 23 Jun
Ultrasonic ToF Material Detection Sensor
SKU: DF-SEN0560 | Brand: DFRobot
This ultrasonic time-of-flight (ToF) material detection sensor identifies surface materials by analysing the difference in ultrasonic echo energy reflected from various surfaces. It can distinguish between hard and so...
Delivered by Tue 23 Jun
Digital IR Proximity Sensor (1-400cm)
SKU: DF-SEN0531 | Brand: DFRobot
The Digital IR Proximity Sensor detects objects at distances from 1 to 400 cm using a 940 nm laser emitter. It's the advanced version of the SEN0381, offering a longer sensing range and an onboard status indicator LED...
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
TF02-i LiDAR Laser Range Sensor (40m)
SKU: DF-SEN0504 | Brand: DFRobot
TF02-i LiDAR is an industrial-grade medium-range distance sensor. Its maximum detection range can reach up to 40m and it has an adjustable frame rate with a maximum of 1KHz.This rangefinder has a PC/ABS/PMMA enclosure...
Delivered by Tue 23 Jun
Laser Ranging Sensor UART (4-400cm)
SKU: DF-SEN0491 | 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
Garmin LIDAR-Lite v4 LED - Distance Measurement Sensor (Qwiic)
SKU: SF-SEN-18009 | Brand: SparkFun
The LIDAR-Lite v4 Qwiic from GARMIN is a high-performance, wireless optical distance measurement sensor that doesn't require any soldering to get started. This is the ideal solution for drone, robot, IoT, or unmanned ...
Delivered by Tue 23 Jun
Fermion: TMF8701 ToF Distance Ranging Sensor (10-600mm) (Breakout)
SKU: DF-SEN0429 | Brand: DFRobot
The TMF8701 is a time-of-flight (ToF) distance ranging sensor that uses the time difference between light pulses to measure distance. It provides single zone detection of an object irrespective of the color, reflectiv...
Delivered by Tue 23 Jun
Fermion: TMF8801 ToF Distance Ranging Sensor (20-2500mm) (Breakout)
SKU: DF-SEN0430 | Brand: DFRobot
The TMF8801 is a time-of-flight (ToF) distance ranging sensor that uses the time difference between light pulses to measure distance. It provides single zone detection of an object irrespective of the color, reflectiv...
Delivered by Tue 23 Jun
Background Suppression Photoelectric Sensor (15~350mm)
SKU: DF-FIT0770 | Brand: DFRobot
This is a background suppression photoelectric switch with 15mm-350mm adjustable detection range (can be adjusted by the knob). Its response time is only 0.5ms, fast and stable. Adopting eco-friendly and durable ABS m...
Delivered by Tue 23 Jun
Ring Inductive Proximity Sensor (8mm Hole Diameter)
SKU: DF-FIT0759 | Brand: DFRobot
These Inductive Ring Proximity sensors are designed to detect metal objects entering or passing through the ring. They operate on a 6-36V power supply and offer NPN output. The sensor features less than 1ms response t...
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
Infrared Photoelectric Switch
SKU: DF-SEN0347 | Brand: DFRobot
This infrared photoelectric switch consists of a transmitter and receiver pair that detects objects at distances up to 1.5 m with a response time under 1 ms. The infrared beam provides stable detection regardless of a...
Delivered by Tue 23 Jun
URM12 Ultrasonic Sensor(1500cm RS485)
SKU: DF-SEN0310 | Brand: DFRobot
The URM12 is a long-range ultrasonic distance sensor from DFRobot, designed for distance measurement and obstacle avoidance applications. With a detection range of 70–1500 cm, RS485 communication interface, and standa...
Delivered by Tue 23 Jun
Garmin LIDAR-Lite Optical Distance LED Sensor - V4
SKU: AF-4441 | Brand: Adafruit
The Garmin LIDAR-Lite V4 LED is a compact, low-power optical distance sensor that measures up to 10 metres using lensed LED light (not a laser, despite the name). Drawing only 85 mA during acquisition with measurement...
Delivered by Thu 2 Jul
5V Metal Proximity Switch
SKU: DF-FIT0658 | Brand: DFRobot
This compact 5V inductive proximity switch detects metal objects at distances up to 4mm without physical contact. It features an NPN normally-open output, a fast response time under 1ms, and a 1,000Hz switching freque...
Delivered by Tue 23 Jun
TF03 (ToF) Laser Range Sensor (180m)
SKU: DF-SEN0329 | Brand: DFRobot
The TF03 is an industrial-grade ToF (Time-of-Flight) LiDAR sensor with a detection range of up to 180 m at 90% reflectivity. Using pulsed laser ranging at 905 nm, it delivers ±10 cm accuracy with a 0.1 m minimum blind...
Delivered by Tue 23 Jun