PMW3901 Optical Flow Sensor - module with an optical motion sensor

Wind speed sensor 0-70 m/s made of durable polycarbonate, offers high accuracy and fast response time. It is equipped with RS485 interface. Suitable for agricultural, meteorological and industrial applications. The set includes a sensor, cable and mounting kit.

The modPhotoelectric sensor with an LM393 comparator and a 10 mm slot width enables reliable detection of interrupters in applications requiring pulse counting, position detection, and speed measurement. Thanks to its digital TTL output and mounting holes, it is suitable for direct integration with microprocessor systems. modPhotoelectric

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

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

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

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 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.

A passive infrared motion sensor designed for Tiny FX projects and interactive installations. It detects motion within a 3-5m range and generates a simple 3.3V digital signal, ideal for triggering lighting effects and animations. Adjustable sensitivity, a wide viewing angle, and very low current draw make it ideal for battery-powered projects. The module is completely ready to use and can be connected without soldering using a JST-SH connector. Pimoroni PIM749

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.

Crowtail-Microwave Sensor 2.0 is a motion sensor module based on the Doppler effect, designed for integration with Arduino and Crowduino platforms. Thanks to its resistance to environmental factors, it is suitable for industrial automation, security systems and smart installations.

Crowtail-Mini PIR Motion Sensor 2.0 is a miniature digital PIR sensor with a built-in DSP and RFI filter, intended for motion detection in compact systems. It is used in alarms, lighting control and robotics.

Infrared sensor module for presence and motion detection based on the STHS34PF80, featuring an I2C interface and STEMMA QT / Qwiic connectors, capable of detecting objects up to 4 m without a lens. Adafruit 6426

60 GHz mmWave radar module based on the Acconeer A121 Pulsed Coherent Radar (PCR) sensor, designed for presence detection, micro-motion detection, and high-precision distance measurement. Includes mounting holder and a set of radar lenses. Supports USB, UART, and I2C interfaces. Waveshare A121 Range Sensor Box

60 GHz mmWave radar module based on the Acconeer A121 Pulsed Coherent Radar (PCR) sensor, designed for presence detection, micro-motion detection, and high-precision distance measurement. Supports USB, UART, and I2C interfaces. Standard version without holder. Waveshare A121 Range Sensor

Human presence sensor based on 24GHz mmWave radar with motion and micro-motion detection up to 10 m. Detects moving and stationary occupants. Compatible with Arduino, ESP32, Raspberry Pi and Home Assistant. DFRobot SEN0691

PIR motion sensor module with a detection range of 3–5m and a viewing angle of up to 100°. SOUT and DOUT provide direct and delayed motion detection signals, while an onboard potentiometer allows delay adjustment. Designed for alarm systems, automatic lighting, and circuits responding to presence or movement. Soldered 333083