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.
Ultrasonic Distance Sensor HC-SR04
SKU: LB-LR0230 | Brand: Little Bird
The HC-SR04 is a widely used ultrasonic distance sensor that measures distances from 2cm to 500cm (approximately 5 metres) with 1cm resolution. It works by emitting a 40kHz ultrasonic pulse, then measuring the time it...
Delivered by Thu 24 Sep
Sharp Infrared distance sensor with line GP2Y0A41SK0F 4-30CM
SKU: LB-LR0214-20 | Brand: Little Bird
The GP2Y0A41SK0F is a short range Sharp analog distance sensor. The detection range is 1.5″ to 12″ (4 cm to 30 cm). The shorter range gives you higher resolution measurements, and the lower minimum detection distance ...
Delivered by Thu 24 Sep
Laser Detector module
SKU: LB-LS1177 | Brand: Little Bird
Laser Detector Module Want to set up your own laser tripwire? These little modules make it super simple. Just hook one up to your Arduino, line it up with a laser pointer, and you’ve got a working laser detection syst...
Delivered by Thu 24 Sep
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 Mon 5 Oct
TF-Luna (ToF) Micro Single-point Ranging LiDAR
SKU: DF-SEN0340 | Brand: DFRobot
SPECIFICATION Distance Resolution: 1cm Frequency: 100Hz Ambient Light Resistance: 70klux Detecting Range: 0.2~8m Weight: <5g FoV: 2° Supply Voltage: 5V±0.1V Data Interface: UART/ I²C Accuracy: ±6cm@(0.2m-3m) DOCUMENTS...
Delivered by Mon 5 Oct
Maxbotix Ultrasonic Rangefinder - LV-EZ0 [LV-EZ0]
SKU: AF-979 | Brand: Adafruit
The LV-EZ0 from MaxBotix is a compact ultrasonic rangefinder providing short to long-range detection. It can detect objects from 0 to 254 inches (6.45 m) and provides calibrated range information from 6 inches out to ...
Delivered by Thu 24 Sep
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 Thu 24 Sep
C1001 60GHz mmWave Indoor Fall Detection Sensor for Arduino / ESP32 / micro:bit (11 Meters)
SKU: DF-SEN0623 | Brand: DFRobot
The C1001 mmWave Human Detection Sensor is a high-precision 60GHz millimeter-wave radar sensor engineered for advanced human detection. Unlike standard 24GHz millimeter-wave sensors that are limited to detecting prese...
Delivered by Thu 24 Sep
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 Mon 5 Oct
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 Thu 24 Sep
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 Mon 5 Oct
Sharp GP2Y0A710K0F IR Range Sensor 100-550cm
SKU: LB-LR0157 | Brand: Little Bird
The Sharp GP2Y0A710K0F IR Range Sensor takes a continuous distance reading and reports the distance as an analog voltage with a distance range of 100cm to 550cm. The interface is 5-wire with power, ground and out...
Delivered by Thu 24 Sep
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 Thu 24 Sep
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 Thu 24 Sep
SHARP GP2Y0A41SKOF Infrared Distance Sensor (4-30cm)
SKU: DF-SEN0143 | Brand: DFRobot
This Infrared Proximity Sensor made by Sharp (model: GP2Y0A41SKOF) has an analog output which varies from 3.1V (4cm) to 0.3V (30cm) with a supply voltage between 4.5 and 5.5V DC. This sensor is great for sensing obje...
Delivered by Thu 24 Sep
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 Fri 16 Oct
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 Mon 5 Oct
RPLiDAR S2 360° Laser Range Scanner-30m (5V)
SKU: DF-DFR1022 | Brand: DFRobot
DTOF Ranging MethodThanks to the DTOF (Direct Time-of-Flight) technology developed by SLAMTEC, RPLIDAR S2 guarantees consistent ranging resolution. Even in longer distance, the resolution always keeps the same. Also, ...
Delivered by Mon 5 Oct
RPLiDAR S2L 360 deg; Laser Range Scanner-18m (5V)
SKU: DF-DFR1023 | Brand: DFRobot
The RPLiDAR S2L is a 360° laser range scanner from SLAMTEC using Direct Time-of-Flight (DTOF) ranging technology. It delivers consistent resolution regardless of distance and can detect objects of virtually any materi...
Delivered by Mon 5 Oct
DTOF LD19 Laser LiDAR Sensor Kit (12m)
SKU: DF-SEN0547 | Brand: DFRobot
The LD19 is a compact 360° DTOF (Direct Time-of-Flight) LiDAR sensor with a ranging distance of up to 12 metres. It provides high-frequency environmental scanning for autonomous mapping, obstacle detection, and naviga...
Delivered by Mon 5 Oct