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 Fri 12 Jun
IR Infrared Obstacle Avoidance Sensor Module
SKU: LB-LR0062 | Brand: Little Bird
This IR sensor can detect obstacles in front of it. When an object is detected the green indicator light on the board will light up. There is a low-level output signal on the OUT port.It has a detection range of...
Delivered by Fri 12 Jun
IR Sensor Module
SKU: LB-OWL-IR | Brand: Little Bird
An infrared receiver module that can read signals from most standard IR remote controls. Useful for adding remote control functionality to Arduino and microcontroller projects. Pair with an IR transmitter module to bu...
Delivered by Fri 12 Jun
VL53L0X Time-of-Flight (ToF) Laser Ranging Sensor - GY-530
SKU: LB-LS6503 | Brand: Little Bird
The VL53L0X Time-of-Flight (ToF) Laser Ranging Sensor is an advanced distance sensor module that provides highly accurate distance measurements using infrared laser technology. With a range of up to 2 meters, this com...
Delivered by Fri 26 Jun
Sonar:bit for micro:bit Ultrasonic Sensor Distance Measuring 3V/5V
SKU: EF-EF04089 | Brand: ElecFreaks
Sonar:bit is a 3-wire ultrasonic distance sensor designed for micro:bit and Arduino projects. Operating on 3–5V, it works directly with both 3.3V and 5V systems using a single GVS cable — saving an I/O port compared t...
Delivered by Fri 12 Jun
Arduino Infra-red obstacle sensor
SKU: LB-LR0006 | Brand: Little Bird
The infrared obstacle sensor is a compact IR proximity module designed for robotics and automation projects. It detects obstacles within a 2–40 cm range and outputs a TTL-level signal, making it easy to integrate with...
Delivered by Fri 12 Jun
VL53L1X Time of Flight (ToF) Sensor Breakout
SKU: PR-PIM373 | Brand: Little Bird
The VL53L1X Time of Flight sensor breakout uses a low-power laser to measure distances with excellent accuracy and speed. With a detection range of 4 cm to 4 metres and up to 50 Hz sampling frequency, it's ideal for p...
Delivered by Fri 12 Jun
Adafruit VL53L4CD Time of Flight Distance Sensor - ~1 to 1300mm
SKU: AF-5396 | Brand: Adafruit
The Adafruit VL53L4CD is a Time-of-Flight (ToF) distance sensor from ST that combines short-range and medium-range sensing in one chip. It measures from approximately 1 mm right up to 1300 mm, bridging the gap between...
Delivered by Thu 2 Jul
mmWave - 24GHz Human Presence Sensing Module (6 Meters)
SKU: DF-SEN0557 | Brand: DFRobot
This high-sensitivity 24GHz human presence sensing radar module utilizes FMCW (frequency-modulated continuous wave) to detect human targets in the set space. Combined with radar signal processing and accurate human se...
Delivered by Tue 23 Jun
A02YYUW Waterproof Ultrasonic Sensor
SKU: DF-SEN0311 | Brand: DFRobot
A commercial-grade waterproof ultrasonic distance sensor with UART serial output. The A02YYUW features a much smaller blind zone (3 cm) and wider sensing angle than many comparable sensors, plus penetration through sm...
Delivered by Fri 12 Jun
Fermion: VL53L3CX ToF Distance Ranging Sensor (Breakout)
SKU: DF-SEN0378 | Brand: DFRobot
The VL53L3CX is the latest Time-of-Flight (ToF) product from STMicroelectronics and embeds ST’s third-generation FlightSense technology. With the improved detection accuracy, the sensor features a 25~3000mm sensing ra...
Delivered by Tue 23 Jun
YDLIDAR GS2 - Linear Array Solid State LiDAR Sensor(25-300mm)
SKU: DF-DFR1030 | Brand: DFRobot
This is a Linear array solid LiDAR. Based on the principle of Triangulation, it is equipped with related optics, electricity, and algorithm design, to achieve 100 degrees of high-precision laser distance measurement, ...
Delivered by Tue 23 Jun
Adafruit VL53L4CX Time of Flight Distance Sensor - ~1 to 6000mm
SKU: AF-5425 | Brand: Adafruit
The Adafruit VL53L4CX is the longest-range Time-of-Flight (ToF) distance sensor in ST's VL5 series, measuring from approximately 1 mm up to 6000 mm (6 metres). It uses an invisible laser to precisely time how long lig...
Delivered by Fri 12 Jun
Adafruit VL53L0X Time of Flight Distance Sensor - ~30 to 1000mm
SKU: AF-3317 | Brand: Adafruit
The Adafruit VL53L0X is a Time-of-Flight (ToF) distance sensor from ST that uses an invisible laser to measure distances from approximately 50 mm to 1200 mm. By timing how long the laser light takes to bounce back, it...
Delivered by Fri 12 Jun
4-Wire Slot Type Photoelectric Switch
SKU: DF-SEN0448 | Brand: DFRobot
A 4-wire slot-type photoelectric switch with integrated optical transmitter and receiver. The 5mm detection slot can detect objects passing through, including transparent materials, making it ideal for counting, posit...
Delivered by Fri 12 Jun
Adafruit VL53L1X Time of Flight Distance Sensor - ~30 to 4000mm
SKU: AF-3967 | Brand: Adafruit
The Adafruit VL53L1X (also known as VL53L1CX) is a next-generation Time-of-Flight (ToF) distance sensor from ST with an impressive 4-metre range and LIDAR-like precision. Using an invisible laser and matching sensor, ...
Delivered by Fri 12 Jun
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 Fri 12 Jun
Gravity: VL53L0X ToF Laser Range Finder
SKU: DF-SEN0245 | Brand: DFRobot
The VL53L0X laser range finder is a high-precision distance sensor that based on new Time-of-Flight (ToF) principle. VL53L0X provides accurate distance measurement whatever the target reflection unlike traditional ...
Delivered by Fri 12 Jun
RPLiDAR C1 - DTOF LiDAR 360° Laser Range Scanner (12m, IP54)
SKU: DF-DFR1138 | Brand: DFRobot
##Introduction The RPLIDAR C1 is a new generation fusion-type DTOF (Direct Time of Flight) laser scanner from SLAMTEC. This advanced LIDAR system excels in high-definition detection of small and nearby objects, offeri...
Delivered by Tue 23 Jun
mmWave - C4001 24GHz Human Presence Detection Sensor (25 Meters, UART)
SKU: DF-SEN0609 | Brand: DFRobot
C4001 24GHz Millimeter-Wave Presence Sensor (25 m Range) The C4001 Millimeter-Wave Presence Sensor is a high-precision FMCW radar module designed for reliable human presence, motion, and distance detection. Operating ...
Delivered by Tue 23 Jun