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
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
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
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
HC-SR04 Ultrasonic Sonar Distance Sensor + 2 x 10K resistors
SKU: AF-3942 | Brand: Adafruit
The HC-SR04 is an ultrasonic distance sensor that measures distances from approximately 2 cm to 400 cm (best results between 10–250 cm). Widely used in robotics, automation, interactive art, and motion sensing project...
Delivered by Fri 12 Jun
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 Fri 12 Jun
RE200B PIR Infrared Sensor
SKU: LB-LS5556 | Brand: Little Bird
PIR Infrared Nicera Pyroelectric Sensor, a compact and highly sensitive component designed for a wide range of applications requiring precise motion detection. Engineered with meticulous attention to detail, this sens...
Delivered by Fri 12 Jun
Infrared Proximity Contactless Button
SKU: SF-PRT-18582 | Brand: SparkFun
This IR proximity contactless button makes for a good replacement for typical push buttons in situations where touching the button isn't required or desirable (especially in this day and age). This button includes a b...
Delivered by Fri 12 Jun
Ultrasonic Distance Sensor - HC-SR04
SKU: SF-SEN-15569 | Brand: SparkFun
This is the HC-SR04 ultrasonic distance sensor. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04 module includes an u...
Delivered by Fri 12 Jun
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 Fri 12 Jun
Sharp GP2Y0A02YK0F Analog Distance Sensor 20-150cm
SKU: PL-1137 | Brand: Pololu
The GP2Y0A02 is the longest-range optical distance sensor we carry, featuring a detection range of 8″ to 60″ (20 cm to 150 cm). The high maximum detection distance makes this sensor a viable alternative to ...
Delivered by Fri 12 Jun