Indoor air quality measurement module, combining two high-end Sensirion sensors – SCD41 and SEN55. It offers a comprehensive set of measurements, including CO2 concentration, volatile organic compounds (VOC), suspended dust (PM1.0, PM2.5, PM4, PM10), as well as temperature and relative humidity. SparkFun SEN-25200

RPLiDAR A3M1 enables 2D scanning in a 360° range with a frequency of up to 16,000 measurements per second and a range of up to 25 m, offering high precision in indoor and outdoor applications. Thanks to OPTMAG technology and a compact design, it is recommended for robotics, SLAM systems, mapping, and environment analysis.

Evaluation board with an IR thermometer MLX90614. The sensor is connected to the ATmega328 microcontroller working at a voltage of 3.3 V with the Arduino bootloader loaded. SparkFun SEN-10740

RPLIDAR A1M8-R6 is a compact 2D laser scanner for use in robot navigation, localization, and environment mapping, offering 360° scanning with a range of up to 12 m and sampling up to 8000 Hz. Ideal for SLAM systems and indoor environments.

RPLiDAR S2 Laser Scanner Seeed Studio 114992738 enables fast and precise distance measurements in a 360° range, creating a point cloud of the surroundings. Thanks to ToF technology, high sampling frequency, and compact design, it proves effective in mobile robotics, SLAM systems, and industrial applications requiring reliable continuous operation. Seeed Studio 114992738

Seeed Studio RPLiDAR S3 is an advanced 2D ToF laser scanner, offering high precision, light resistance, IP65 protection, and full user safety. It is a versatile tool for mapping, navigation, and environmental perception in robotic and industrial applications. Seeed Studio 101090041

A compact module based on the PAA5160E1 sensor that provides precise motion data on two axes. It is supported by a built-in 6-axis IMU sensor and a microcontroller for sensor fusion algorithms. With exceptional performance, low error rate and support for the Qwiic interface, the sensor is an ideal solution for navigation in warehouse robots and other high-speed applications, and user-friendly programming libraries make it easy to integrate into projects. SparkFun SEN-24904

Benewake Solid-state ToF LiDAR CE30-A offers a wide field of view and high reliability by eliminating mechanical components. It enables obstacle detection at distances of up to 4 m, making it a suitable solution for AGVs, autonomous systems, and industrial applications requiring a stable and precise sensor. Seeed Studio 109990325

Laser radar based on cwToF technology and metasurface lenses, offering depth maps and IR images in 160x60 pixel resolution and a wide viewing angle of 108°x40°. Thanks to its solid-state construction, range up to 4.5 m and resistance to strong lighting (up to 60 Klux), it is ideal for applications such as robotics, obstacle avoidance systems, access control and volume measurement. DFRobot DFR1177

ROB-09454 - QRE1113 Line Sensor Breakout - Digital

Module with hydrogen sulphide sensor made in MEMS technology. It allows gas detection in the range of 0.5 to 50 ppm and has an analog output. DFRobot SEN0568

The compact KY-003 Hall sensor module is capable of detecting magnetic fields, making it ideal for measuring rotational speeds and for automation and robotics applications.

SEN-11769

QTR-1RC Reflectance Sensor (2-Pack)

Digital sensor dedicated to measuring carbon dioxide (CO2), air temperature and relative humidity. High performance, fast response and excellent stability make it an ideal solution for a variety of applications such as greenhouses, cities, poultry farms and transport stations. Seeed Studio 101991029

A miniature lidar proximity sensor that detects objects in the range of 1 mm to 300 cm by generating a PWM signal proportional to distance. It operates in the 3-5.5 V range, draws 30 mA, features an ENABLE pin for sleep mode, a 3-pin JST SH connector, and an indicator LED. Its resistance to color, transparency, and lighting makes it ideal for robotics, automation, and contactless interfaces. Pololu 5493

Compact current sensor based on TMR technology, enabling precise measurements up to 20 A with minimal energy losses. Thanks to a wide 1 MHz bandwidth, galvanic isolation and interference immunity, it is perfect for applications requiring fast response and high accuracy. Pololu 5316

A miniature lidar distance sensor that detects objects up to 200 cm away, regardless of color, transparency, or lighting. It generates a digital signal (0 V on detection), operates in the 3-5.5 V range, draws only 30 mA, and supports sleep mode via the ENABLE pin. Ideal for robotics, automation, and contactless interfaces, it offers a fast response time (30 Hz), switching hysteresis, and a compact housing with an indicator LED. Pololu 5491

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±30 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and the low current path resistance minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5445

Aluminum extensometer beam, allowing measurement of weight up to 1 kilogram. It has four wires. It is used in kitchen scales and portable scales.