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.
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
Gravity: Digital Adjustable Infrared Proximity Sensor for Arduino (0~200 cm)
SKU: DF-SEN0239 | Brand: DFRobot
A digital infrared proximity sensor with adjustable detection range from 0 to 200 cm. Outputs a simple digital signal — HIGH when an obstacle is detected, LOW when clear. The detection threshold is adjustable via a re...
Delivered by Tue 23 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
mmWave Radar - Human Presence Detection
SKU: DF-SEN0395 | Brand: DFRobot
This 24GHz millimeter-wave radar sensor employs FMCW, CW multi-mode modulation, and separate transmitter and receiver antenna structure.In working, the sensor first emits FMCW and CW radio waves to the sensing area. N...
Delivered by Tue 23 Jun
A01NYUB Waterproof Ultrasonic Sensor
SKU: DF-SEN0313 | Brand: DFRobot
A waterproof ultrasonic distance sensor with UART serial output. The A01NYUB measures distance by timing the ultrasonic pulse echo and outputs the result directly via asynchronous serial at 9600 bps — no external sign...
Delivered by Tue 23 Jun
Mini Laser Distance Range Sensor (4m, I2C, IP67)
SKU: DF-SEN0590 | Brand: DFRobot
##Introduction This laser distance ranging sensor has a compact size, comparable to the size of a fingernail, and a measurement range of up to 4m. It is specifically designed to address the issues commonly found in di...
Delivered by Tue 23 Jun
Mini TOF Laser Range Sensor – UART/I2C, Long Range
SKU: WS-28761 | Brand: Waveshare
TOF Mini Laser Range Sensor – Long Range Precision Measuring with UART / I2C CommunicationElevate your robotics or automation projects to new heights with our versatile and precise TOF (Time of Flight) Mini Laser Rang...
Delivered by Fri 12 Jun
10-180cm Distance Sensor UART I2C output 3-5V
SKU: LB-LS1747 | Brand: Little Bird
A compact distance sensor with a measurement range of 10–180 cm, featuring both UART and I2C output interfaces. It operates on 3–5 V, making it compatible with Arduino and other microcontrollers. The sensor includes h...
Delivered by Fri 12 Jun
Gravity: URM09 Ultrasonic Sensor (Trig)
SKU: DF-SEN0388 | Brand: DFRobot
This is a non-contact ultrasonic ranging sensor of high-performance from URM09 series, employing standard PH2.0-3P Gravity vertical interface. It provides an accuracy of 1% within an effective measuring range of 2~500...
Delivered by Tue 23 Jun
Digital IR Proximity Sensor (0-200cm)
SKU: DF-SEN0381 | Brand: DFRobot
A digital infrared proximity sensor with an adjustable detection range of 0–200 cm. It uses diffuse IR reflection to detect objects or people, outputting a digital high signal when something enters the sensing zone an...
Delivered by Tue 23 Jun
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 Fri 12 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
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
HRLV-MaxSonar-EZ4 (MB1043)
SKU: DF-SEN0269 | Brand: DFRobot
The HRLV-MaxSonar-EZ4 (MB1043) is a compact ultrasonic range sensor with 1 mm resolution, measuring distances from 300 mm to 5000 mm at a 10 Hz read rate. It features the narrowest beam width in the HRLV-MaxSonar-EZ s...
Delivered by Tue 23 Jun
HRUSB-MaxSonar-EZ1(MB1413)
SKU: DF-SEN0270 | Brand: DFRobot
The MB1413 HRUSB-MaxSonar-EZ1 has millimeter resolution and a ~4Hz read rate, features a great blend of sensitivity as well as side object rejection, and provides short to long distance detection and range information...
Delivered by Tue 23 Jun
I2CXL-MaxSonar-WR(MB7040)
SKU: DF-SEN0274 | Brand: DFRobot
The weather resistant MB7040 I2CXL-MaxSonar-WR sensor features centimeter resolution and an I2C interface, and provides short to long distance detection and range information from 20cm to 765cm for the nearest detecta...
Out of stock