DFRobot Gravity - Motion sensor for Arduino

HLK-LD2450 is a 24 GHz radar module designed for precise human presence and motion detection in intelligent IoT systems. modHLK-LD2405

A small module with a PIR motion sensor. It allows detecting movement within a maximum range of 6 meters (default up to 3 meters). The measuring angle is 120 degrees. The module has a connector in accordance with the Grove standard. Seeed Studio 101020020

The Gravity Occupancy Sensor uses 24 GHz FMCW radar technology, enabling precise presence detection at a distance of up to 8 meters and movement and distance measurement up to 12 meters. Thanks to its high resistance to environmental interference, it works reliably regardless of light, temperature or dust, effectively detecting both static and dynamic objects. Compatibility with Arduino, ESP32, Raspberry Pi and a simple Gravity interface make it an ideal solution for intelligent lighting, building automation and security systems. DFRobot SEN0610

IR optical sensor module based on a slotted optocoupler. It enables the construction of an incremental encoder

Czujnik pasywny czujnika (PIR) firmy Panasonic, który jest wykrywany pod kątem detekcji. Oferuje cyfrowy sygnał wyjściowy w 32 strefach na odległość detekcji do 5 m i detekcji 90° x 90°. SparkFun COM-23946

The module with the BS312 PIR sensor, which allows motion detection at a distance from 3.2 to 12 m. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 101020793

A compact FIR temperature sensor enabling high-precision, non-contact measurement of objects. The medical version offers an accuracy of ±0.2°C over a range of 35 to 42°C, and in extended mode, it measures temperatures from -20°C to 100°C. The sensor communicates via I2C and is mounted on a STEMMA QT board with an integrated voltage regulator for easy integration with 3V and 5V microcontrollers. Adafruit 6403

Module with an optical flow sensor PMW3901. It uses a low resolution camera to detect surface movement. It communicates via the SPI interface. Pimoroni PIM453

Motion detection module featuring Panasonic\'s EKM series PIR sensor. The EKM series is optimised for detecting small movements and is ideal for detecting movement in a small area around the sensor. It offers digital output in 32 zones with a detection distance of 5 m and a detection area of 90° x 90°. SparkFun SEN-21999

A small module with a GY-PAJ7620U2 gesture detection sensor. Can recognize 9 gestures. Communication via the I2C interface.

The MR60BHA2 sensor kit uses 60GHz mmWave technology to reliably detect human presence, as well as human breathing and heartbeat detection. It offers Home Assistant integration thanks to the XIAO ESP32C6 module and pre-installed ESPHome firmware. Equipped with a BH1750 light intensity sensor, RGB LED indicator and the possibility of expanding with Grove sensor modules, it is ideal for monitoring health, safety and home automation. Seeed Studio 114993387

Occupancy sensor based on 24 GHz millimeter wave technology with FMCW, enabling precise detection of people, measuring distances up to 25 m and movement speed. Thanks to high resistance to environmental interference, it works reliably in conditions such as dust, light or temperature changes, outperforming traditional PIR and ultrasonic sensors. Compact size and installation flexibility make it perfect for intelligent lighting, security systems and building automation. DFRobot SEN0609

A sensor for measuring the wind speed. It has a built-in Hall sensor and enables measurements in the range from 0 to 32.4 m/s. DFRobot SEN0483

Gravity: 360 Degree Hall Angle Sensor is a rotation angle sensor measuring a value in the range of 0-360 ° with an analogue output, powered by 5V. DFRobot SEN0221

A compact module based on the PAA5160E1 sensor that provides precise motion data on two axes. It is supported by a built-in 6-axis IMU sensor and a microcontroller for sensor fusion algorithms. With exceptional performance, low error rate and support for the Qwiic interface, the sensor is an ideal solution for navigation in warehouse robots and other high-speed applications, and user-friendly programming libraries make it easy to integrate into projects. SparkFun SEN-24904

The module with a gesture detection sensor PAJ7620U2 designed for M5Stack sets. He can recognize 9 gestures and communicates via the I2C interface. M5Stack U127