Simple-to-use, open source solution for measuring weight and temperature with the ability to read multiple types of load cells and offers a simple-to-use serial menu to configure calibration value, sample rate, time stamp and units of precision. SEN-13261

Precise 3-axis compass based on FlipCore and TMR technology, offering magnetic field measurement in the range of ±2000μT without the need for calibration. With I3C support, sampling rate up to 400 Hz and Field Shock Recovery function, it is perfect for navigation systems, AR/VR, drones and autonomous vehicles. DFRobot SEN0619

This sensor utilizes advanced signal processing technology by using a powerful chip (XKC-Y25-T12V) with high-speed operation capacity to achieve non-contact liquid level detection; suitable for hazardous applications: detecting toxic substances and all kinds of liquid in an airtight container under high pressure. SEN0204

Air quality sensor module based on the SGP40 system. It communicates via the I2C interface. DFRobot SEN0392

Set with a measuring module and a probe for measuring electrical conductivity. It allows you to measure the salinity of water and soil. It has a Gravity analog output interface. DFRobot DFR0300

Module with a 9-axis IMU sensor, which combines an accelerometer and a gyroscope (ICM20600 system) and a magnetometer (AK09918 system). The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020585

Module with 3-axis accelerometer and ISM330DHCX gyroscope. Equipped with a Qwiic connector, it communicates via the I2C or SPI interface. SparkFun SEN-19764

Expansion board with a distance sensor ToF VL53L5CX with a matrix of 64 pixels and a range of up to 4 m. The shield is compatible with STM32 Nucleo boards. STMicroelectronics X-NUCLEO-53L5A1

Module with the LIS2DW12 3-axis accelerometer. The system has a user selectable measurement scale of ± 2g/±4g/±8g/±16g. There is a Gravity connector on the board. DFRobot SEN0409

Module with 13 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 4113

Module with 7 QTR type optocoupler with analog 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 4247

This micro:bit module allows for light and object detection and line tracking, making it ideal for educational and robotic projects. Equipped with three phototransistors, it provides precise measurements, and the analog signal transmitted to the micro:bit allows for precise analysis of the surroundings. The board can be connected directly to the micro:bit or via alligator clips. Kitronik 5678

Module with 25 QTRX 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 50 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4325

Module with digital barometer BMP581. It enables pressure measurement in the range from 300 to 1250 hPa with an accuracy of ± 5 Pa and communicates via I2C or SPI. SparkFun SEN-20170

Module with pressure and temperature sensor BMP280. It allows you to read the atmospheric pressure in the range from 300 to 1100 hPa and communicates via the I2C or SPI interface. Adafruit 2651

A module with a temperature and humidity sensor based on the AHT20 system. It communicates via the I2C interface. DFRobot SEN0527

Module with 13 QTRX type optocoupler with analog 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 4453

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.

Ultrasonic distance sensor with a range of up to 5m. Communication takes place via the I2C interface. The module is supplied with the voltage from 3.3 to 5.5 V. DFRobot SEN0304

Module with a non-contact IR temperature sensor. It allows the measurement in the range from -70 to 380°C and communicates via the I2C interface. Waveshare Infrared Temperature Sensor