5.8GHz Microwave Radar - module with a motion sensor

Digital sensor for measuring accurate and drift-free angular displacement. It is constructed from highly durable medical-grade silicone elastomers. It communicates via an I2C interface. SparkFun SEN-15244

Module with trackball and RGB backlight. It has a built-in button and is perfect for building your own mouse, for example. Pimoroni PIM447

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 a PIR motion sensor. It can detect movement up to 5 meters with a detection angle of 120 degrees

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

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

Module with PIR S16-L221D motion sensor. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 101020617

Module with STP201M motion sensor with pedometer function. Built on the basis of an accelerometer and MCU, dedicated to sports bands and smartwatches

Energy-saving 24 GHz sensor LD2410S based on FMCW technology and the Doppler effect, designed to detect human presence and micro-movements in real time. Thanks to the built-in AI algorithm and a range of up to 8 meters and a wide detection angle (±60°), it is perfect for building automation, smart lighting and IoT devices. It supports UART and GPIO interfaces, offers very low power consumption (from 0.04 mA in standby mode) and allows configuration through intuitive tools, making it ideal for integration in modern projects.

A modern module that enables gesture control and detects the presence of people, ensuring privacy and fast offline interactions. Equipped with a camera and an AI processor, the sensor recognizes 5 hand gestures and detects up to 10 faces within a range of 3 meters, supporting I2C and UART communication, making it an ideal solution for IoT, smart homes and touchless systems. DFRobot SEN0626

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

A digital shock sensor that detects hand shake. The spring-type vibration switch allows you to output pulses when the user shakes once in a certain direction. DFRobot SEN0289

This is a simple to use motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. This unit works great from 5 to 12V (datasheet shows 12V). You can also install a jumper wire past the 5V regulator on board to make this unit work at 3.3V. Sensor uses 1.6mA@3.3V. SEN-13285

Crowtail-PIR Motion Sensor 2.0 is a digital motion sensor for use in alarm systems, building automation and interactive projects. It provides a wide detection angle and adjustable range in a compact form with easy connection through the Crowtail 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

PIR infrared sensor. Reacts to the change of infrared radiation. Range up to 7m.