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.
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 Tue 4 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 Tue 4 Aug
Adafruit VCNL4040 Proximity and Lux Sensor - STEMMA QT
SKU: AF-4161 | Brand: Adafruit
The Adafruit VCNL4040 is a two-in-one proximity and ambient light sensor from Vishay. It measures proximity from 0 to 200 mm (~7.5 inches) using an on-board IR LED, and ambient light from 0.0125 to 6,553 lux — all ove...
Delivered by Wed 26 Aug
TFMini Plus - Micro LiDAR Module
SKU: SF-SEN-15179 | Brand: SparkFun
The TFMini Plus is a ToF (Time of Flight) LiDAR sensor capable of measuring the distance to an object as close as 10 centimeters (+/- 5cm up to 6m) and as far as 12 meters (+/-1% starting at 6m)! As with all LiDAR sen...
Delivered by Thu 13 Aug
Sharp GP2Y0A21 IR Distance Sensor (10-80cm) For Arduino
SKU: DF-SEN0014 | Brand: DFRobot
The Sharp distance sensors are a popular choice for many projects that require accurate distance measurements. This IR sensor is more economical than sonar rangefinders, yet it provides much better performance than o...
Delivered by Tue 4 Aug
Infrared Proximity Sensor - Sharp GP2Y0A21YK
SKU: SF-SEN-00242 | Brand: SparkFun
The Sharp GP2Y0A21YK is an infrared proximity sensor with an analogue voltage output that varies with distance — from 3.1 V at 10 cm to 0.4 V at 80 cm. It uses an IR emitter and position-sensitive detector to measure ...
Delivered by Tue 4 Aug
50m TOF Laser Ranging Sensor (±3cm Accuracy, 100Hz, 100K LUX Resistant)
SKU: DF-SEN0648 | Brand: DFRobot
The TOFSense F2P is a professional-grade laser distance sensor using dTOF (Direct Time-of-Flight) technology. With 50m range, ±3cm accuracy, and 100Hz refresh rate, it's engineered for drones, traffic monitoring, indu...
Delivered by Thu 13 Aug
Adafruit STHS34PF80 IR Presence / Motion Sensor
SKU: AF-6426 | Brand: Adafruit
The Adafruit STHS34PF80 is a compact IR presence and motion sensor that detects human and animal presence up to 4 metres away — without requiring a lens. Unlike traditional chunky PIR sensors with simple digital outpu...
Delivered by Wed 26 Aug
IP68 Underwater Ultrasonic Obstacle Avoidance Sensor (6m, UART)
SKU: DF-SEN0599 | Brand: DFRobot
An underwater ultrasonic obstacle avoidance sensor designed specifically for submerged applications. With an IP68 protection rating and a measurement range of 5–600 cm, it enables underwater vehicles to detect and avo...
Delivered by Thu 13 Aug
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 Thu 13 Aug
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 Thu 13 Aug
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 Thu 13 Aug
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 Thu 13 Aug
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 Thu 13 Aug
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 Thu 13 Aug
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 Thu 13 Aug
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 Thu 13 Aug
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 Thu 13 Aug
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 Thu 13 Aug
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 Thu 13 Aug