Proximity & Distance

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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, ...

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 ...

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 ...

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 ...

SKU: DF-SEN0556 | Brand: DFRobot

An infrared proximity sensor that detects objects at distances of 10 ±5 mm to 80 ±20 mm by measuring reflected IR energy. It outputs a simple high/low digital signal, making it easy to integrate with Arduino and other...

SKU: DF-SEN0523 | Brand: DFRobot

This IR break-beam photoelectric switch detects objects by sending an invisible infrared beam from an emitter to a receiver. When a non-transparent object passes between the two and breaks the beam, the receiver outpu...

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...

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...

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...

SKU: AF-5913 | Brand: Adafruit

The Adafruit STEMMA Reflective Photo Interrupt Sensor uses a TCRT1000 right-angle optical module to detect reflective surfaces. An onboard IR LED emits light, and when an object reflects it back to the IR phototransis...