A miniature lidar proximity sensor that detects objects ranging from less than 1 mm to 50 cm by generating a PWM signal proportional to distance. It operates in a 3-5.5 V range, draws 30 mA, features an ENABLE pin for sleep mode, and a 3-pin JST SH connector and indicator LED. Its color, transparency, and light-sensitive nature make it ideal for robotics, automation, and contactless interfaces. Pololu 5472

Laser scanner using 360-degree measurement, taking samples at a frequency of up to 16 kHz. It is capable of generating 2D point map information within a 12-meter radius. Seeed Studio 114110128

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

The sensor responds to chakra changes in the tissues by analyzing the reflected light (the module contains an illuminator and a sensor).

A miniature lidar distance sensor that detects objects up to 25 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 (100 Hz), switching hysteresis, and a compact housing with an indicator LED. Pololu 5480

A miniature lidar distance sensor that detects objects up to 5 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 (142 Hz), switching hysteresis, and a compact housing with an indicator LED. Pololu 5550

Reflective Optical Sensor with Transistor Output, Vishay, RoHS

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

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 5447

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±10 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 its low current path resistance (~1.6 mΩ) minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5450

A sensitive sensor of the magnetic field, operating in the range of ± 50 microtesels, which generates a rectangular signal proportional to the strength of the field, which facilitates its integration with microcontrollers. It is distinguished by high temperature stability and tenderness, which makes it ideal for precise magnetic field measurements in applications requiring reliability. Sparkfun Sen-25531

High-end temperature and humidity sensor module, offering ±1.0% RH and ±0.1°C precision and full I2C communication. With 3.3 to 5V voltage compatibility, STEMMA QT connectors and IP67 protection, it is easy to integrate and resistant to harsh environmental conditions. Ideal for IoT projects, weather stations and automation systems requiring accurate measurements. Adafruit 6174

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.

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.

Color sensor equipped with the OPT4048 sensor from Texas Instruments. It allows you to determine the characteristics of ambient light by measuring parameters such as light intensity, color in the CIE XY, LUV coordinate systems, as well as color temperature. The module is equipped with Qwiic connectors. SparkFun SEN-22638

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 its low current path resistance (~1.6 mΩ) minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5451

Module with an analog TEMT6000 light intensity sensor. The output voltage increases with increasing intensity of the incident light. The sensor is powered by 5 V. SparkFun BOB-08688

The PIR motion sensor module modHC-SR501 is a universal sensor ideal for detecting the presence of people or animals, compatible with Arduino, Raspberry Pi and home automation systems. modHC-SR501

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

Precise Hall effect sensor that converts magnetic field intensity into analog voltage. Differential response to magnetic poles (voltage increases when approaching S pole and decreases at N pole) enables precise analysis of field direction and strength. High sensitivity, low noise and compatibility with platforms such as Arduino and micro:bit make the sensor ideal for industrial, educational and hobby applications. DFRobot DFR1132