modHLK-LD2411S – 24GHz Human Presence Radar Sensor

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

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.

Sensor for measuring the horizontal wind direction. It has a built-in Hall sensor and allows you to determine one of 16 directions. DFRobot SEN0482

Module with PIR EKMB1107112 motion sensor, power consumption in standby mode up to 1 uA. The board communicates via I2C and is equipped with a Qwiic connector. SparkFun SEN-17375

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

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.

A set for building a weather station equipped with a rainfall sensor and a wind speed and direction meter. SparkFun SEN-15901

Module with PIR S16-L221D motion sensor. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 101020353

Module with the PIR EKMB1107112 motion sensor, the standby power consumption of up to 1 uA. SparkFun SEN-17373

The RCWL-0516 microwave motion sensor module uses microwave technology to detect motion through obstacles, offering high sensitivity and a wide detection range. It is ideal for use in security systems, home automation, and electronics and robotics projects. RCWL-0516

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

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

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 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 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

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