sensWindSpeed – Wind speed sensor NPNR 0–70 m/s with RS485 interface

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

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

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-22494

A 24 GHz FMCW radar with Wi-Fi 802.11b/g/n and Bluetooth 5.0 BLE support, enabling precise detection of motion and human presence. Equipped with an integrated detection algorithm and a RISC processor with SPI, UART, I²C, PWM, and GPIO interfaces, it provides flexible configuration and reliable communication in IoT systems. With a wide operating temperature range (-40°C to +85°C), a built-in radar antenna, and WPA3 support, the module is ideal for smart homes, building automation, and security systems.

Air speed sensor module based on the FS3000-1005 chip. The board is equipped with Qwiic connectors. SparkFun SEN-18377

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

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

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

Advanced 60 GHz radar, capable of detecting human presence, falls, posture and vital signs such as heart rate and breathing – even when motionless. Ceiling-mounted and compatible with platforms such as Arduino or ESP32, it is ideal for healthcare systems, especially for monitoring sleep and the safety of the elderly. DFRobot SEN0623

A module with a PIR motion sensor, which has outputs for controlling 230 V LED lighting. ModPirSen

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

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 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

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.

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