This soil moisture sensor uses a resistive measurement between two gold-plated probes. Corrosion resistance ensures long life and stable measurements. It works with the micro:bit and Arduino platforms, allowing for reading soil moisture levels as an analog signal. Adafruit 6362

Module with an integrated proximity and ambient light sensor based on the VCNL4040 system. It can detect obstacles in the range of 0 to 20 cm. It communicates via the I2C bus. Adafruit 4161

Module with a digital distance sensor with a range of up to 10 cm. It has a digital output that goes low when an object is detected. Pololu 4052

The ACS72981 current sensor module uses the Hall effect to precisely and safely measure DC current while providing electrical isolation of the current path. With a wideband analog output (up to 250 kHz) and low conduction resistance (0.2 mΩ), it minimizes power loss and offers a fast response time of less than 2 µs. Pololu 5264

A robust sensor for approximate measurement of nitrogen, phosphorus and potassium (NPK) levels in soil, ideal for precision farming and field applications. With a rugged design (IP68), RS485 MODBUS-RTU communication and a wide power supply range, it allows easy integration with Arduino-type systems and operation in harsh environmental conditions. DFRobot SEN0605

LIDAR distance sensor with a measuring range from 5 cm to 10 m and a resolution of 1 cm. It communicates via the I2C or ANT interface. SparkFun SEN-15776

Precision XYZ color and light sensor with I2C interface. Measures light intensity and color components, features STEMMA QT / Qwiic connectors. Adafruit 6335

Module with MLX90640 thermal imaging camera with a matrix of 32x24 fields and a viewing angle of 55°. The board is equipped with a STEMMA QT connector and communicates via the I2C interface. Adafruit 4407

Module with CO2, temperature and humidity sensor SCD-30. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 4867

The :MOVE mini MK2 robot kit allows for automatic line tracking, enhancing the interactivity of educational projects. The kit is easy to assemble, requires no soldering, and adjustable sensors allow for precise sensitivity adjustments for the left and right sides of the robot. The module can track both a dark line on a light background and a light line on a dark background, and backward compatibility with the original :MOVE mini makes it easy to use in older projects. Kitronik 5659

The ACS72981 current sensor module uses the Hall effect to precisely and safely measure DC current while providing electrical isolation of the current path. With a wideband analog output (up to 250 kHz) and low conduction resistance (0.2 mΩ), it minimizes power loss and offers a fast response time of less than 2 µs. Pololu 5284

Module with ACHS-7123 current sensor with a measuring range of direct and alternating current from -30 to 30 A. It communicates via an analog interface. Pololu 4032

A miniature lidar distance sensor that detects objects up to 50 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 5481

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

Module with pressure, temperature and humidity sensor BME280. It allows to read the atmospheric pressure in the range from 300 to 1100 hPa and communicates via the I2C interface. Pimoroni PIM472

The set consists of the STM32 NUCLEO-F401RE board with the STM32F401RE microcontroller and the X-NUCLEO-6180A1 board with the VL6180 distance sensors operating in ToF technology. STMicroelectronics P-NUCLEO-6180A1

A non-contact magnetic field sensor with a range of ±1.5 mT and a sensitivity of 1500 mV/mT at 5 V. It offers an analog ratiometric output and a flag signal activated when field thresholds are exceeded. It features a fast response time (20 µs) and a 30 kHz bandwidth with a built-in RC filter. Its compact design, AC/DC capability, and easy mounting make it ideal for energy-efficient and safe current monitoring systems. Pololu 5352

Module with a 3-axis motion sensor MSA301 (accelerometer), which allows to measure acceleration in the range of ±2/±4/±8/±16 g. Communicates via the I2C bus. Pimoroni PIM456

Module with a light sensor and a proximity sensor up to 5 cm. It allows you to read the illuminance from 0.01 to 64000 lux and communicates via the I2C interface. Pimoroni PIM413

Module with 7 QTR type optocoupler with RC (digital) output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4147