Motion (PIR, ultrasonic)

SKU: LB-00158 | Brand: Little Bird

This PIR sensor is suitable for use with Arduino and Raspberry PI. The 3.3v logic level is very handy as it allows you to use this sensor with 3.3v Arduinos like the Due or Pro Mini as well as 5V like the Uno as 3....

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-LS0869 | Brand: Little Bird

The AM312 sensor is a mini IR pyroelectric infrared PIR motion human body sensor that is easy to install and has low power consumption. Its digital signal processing and high sensitivity make it ideal for use in au...

SKU: EF-EF04055 | Brand: ElecFreaks

OCTOPUS PIR Sensor module is a type of electronic building block based on AM412 pyroelectric digital smart sensor. It can be used in sensing and detection of human or animal motion, sensing distance is about 4-5 me...

SKU: DF-SEN0171 | Brand: DFRobot

A passive infrared (PIR) motion sensor from DFRobot's Gravity series. It detects infrared radiation from people and animals in motion and outputs a digital HIGH signal when movement is detected — ideal for security sy...

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...

SKU: AF-189 | Brand: Adafruit

PIR sensors are used to detect motion from pets/humanoids from about 20 feet away (possibly works on zombies, not guaranteed). This one has an adjustable delay before firing (approx 2-4 seconds), adjustable sensiti...

SKU: AF-5578 | Brand: Adafruit

The BS612 is a compact, fully configurable mini PIR motion sensor that detects movement from approximately 3–8 metres away with a 120° detection spread. Its small form factor makes it ideal for unobtrusive motion-sens...

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: DF-SEN0208 | Brand: DFRobot

Most ultrasonic distance sensors aren't waterproof which can be a problem if you need your project to withstand the elements outdoors. No need to worry any more! We have developed waterproof ultrasonic distance senso...

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...

SKU: LB-LS1274 | Brand: Little Bird

Light up your night with this Battery Powered PIR Motion Sensor with 9 LED illumination.This LED light is perfect for providing light in dark areas around your home. The PIR motion sensor allows the light to turn o...

SKU: DF-SEN0522 | Brand: DFRobot

This human body sensing switch adopts an infrared detection way to control load switch. It offers a detection range of 5~8m, high sensitivity, and reliability. The sensor has an adjustable delay function and the ...

SKU: EC-SPS40201S | Brand: Elecrow

This Elecrow 4-channel IR reflective sensor module combines four infrared emitter/receiver pairs with a mainboard that processes all signals. When an object enters the detection range, the corresponding channel output...

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...

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 ...

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...

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...

SKU: SF-SEN-22494 | Brand: SparkFun

The STHS34PF80 sensor, from ST Microelectronics, is designed to measure the precise black-body radiation (as described by Planck's law) of an object; as well as monitor ambient temperature conditions within its 80° fi...

SKU: LB-PIR-CABLE | Brand: Little Bird

A compact passive infrared (PIR) motion sensor housed in a protective case with a 45cm cable. Detects motion within a 6-metre range and 120° field of view, making it ideal for security systems, automatic lighting, and...