10 mm slot sensor with LM393 comparator

Doppler radar module with 24GHz BGT24LTR11 transceiver. The board is equipped with a Grove connector and communicates via the UART interface. Seeed Studio 109020021

3D Gesture Sensor (Mini) is an inductive gesture sensor detecting such effects as turning clockwise / counterclockwise or the direction of movement. It is powered by 3.3 ... 5V and the range of gesture detection is up to 5cm. DFRobot SEN0202

A small module with a PAJ7620U2 gesture detection sensor. Can recognize up to 13 gestures. Communication via the Gravity I2C interface. DFRobot SEN0315

Wind direction sensor with a measuring range up to 60 m/s and 360° ensures high accuracy and fast response time, thanks to the use of low-resistance bearings and precision components. It supports various output signal types, including analog (0–5 V, 4–20 mA) and digital (RS485, LoRa, GPRS, 4G), enabling broad integration in meteorological, agricultural, and industrial systems. The durable polycarbonate construction and IP65 protection rating ensure reliable operation even in harsh environmental conditions.

HLK-LD2410C is a 24 GHz radar sensor for human presence and micro-motion detection, featuring UART and BLE interface. modHLK-LD2410C

Module with a PIR motion sensor. It allows you to detect movement at a distance of up to 8 meters with a viewing angle of 60°. DFRobot SEN0522

The GR10-30 sensor module, which can recognise up to 12 user gestures from a distance of up to 30 cm. It supports communication via both UART and I2C interfaces. DFRobot SEN0561

Doppler radar module with 24 GHz transceiver. It is based on the S3KM1110 system and allows for precise distance measurement and motion detection. The board communicates via the UART interface. Waveshare HMMD-mmWave-Sensor

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

Module with PIR EKMC4607112K motion sensor, power consumption in standby mode up to 170 uA. SparkFun SEN-17372

The module is based on the Acconeer XM125 radar, which uses 60 GHz radar technology, offering distance measurement up to 20 meters and recognition of objects and their movement speed. The sensor is characterized by low power consumption, making it ideal for battery-powered devices, and also allows for various detection modes, such as level measurement or human presence. Supported by the Arduino library and the Acconeer Exploration Tool, the module provides support for monitoring, debugging and configuration, offering a wide range of applications from smart homes to advanced robotics and security systems. SParkFun SEN-24540

PIR motion sensor module for Arduino and Raspberry Pi. DFRobot SEN0018

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

The PIR motion sensor module modHC-SR501 is a universal sensor ideal for detecting the presence of people or animals, compatible with Arduino, Raspberry Pi and home automation systems. modHC-SR501

Module with a human presence and movement sensor designed based on the STHS34PF80 infrared sensor. Enables monitoring of radiation and ambient temperature within an 80° field of view. The sensor can precisely detect movement and presence within a range of 4 m. It uses the I2C or SPI interface for communication and has built-in Qwiic connectors. SparkFun SEN-23253