LPS28DFW absolute pressure sensor module. The chip features a wide measurement range of 260 to 1260 hPa or 260 to 4060 hPa and a high accuracy of 0.5 hPa. It communicates via an I2C interface. SparkFun SEN-21221

Triple-Axis Accelerometer Module +-3g, Analog-Output, RoHS

Module with 15 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 50 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4215

Precise, 3-axis geomagnetic sensor based on FlipCore and TMR technology, offering high interference immunity and a wide measurement range of ±2000μT with a resolution of 0.1μT. Thanks to its high sampling rate (up to 400Hz) and resistance to magnetic shocks, it is ideal for AR/VR systems, AGV navigation and drone control. DFRobot SEN0622

LPS28DFW absolute pressure sensor module. The chip features a wide measurement range of 260 to 1260 hPa or 260 to 4060 hPa and a high accuracy of 0.5 hPa. It communicates via an I2C interface. SparkFun SEN-21222

Module with 2 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 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4402

Digital shock sensor with spring type vibration switch. It detects vibrations and signals them via a digital output

Module with 4 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 4204

A modern module that enables gesture control and detects the presence of people, ensuring privacy and fast offline interactions. Equipped with a camera and an AI processor, the sensor recognizes 5 hand gestures and detects up to 10 faces within a range of 3 meters, supporting I2C and UART communication, making it an ideal solution for IoT, smart homes and touchless systems. DFRobot SEN0626

The RRH62000-A1V is an integrated air quality sensor module by Renesas, combining the measurement of particulate matter (PM1, PM2.5, PM10), volatile organic compounds (TVOC), estimated carbon dioxide levels (eCO₂), temperature, and humidity in a single device.

Module with an analog gas sensor. It allows you to measure the concentration of NO, NO2 and H2. DFRobot SEN0441

Module with temperature and humidity sensor DHT11. It uses a 1-wire communication interface and has a humidity measurement range from 20 to 90% with an accuracy of 5% and temperature from 0 to 50 ºC with an accuracy of 2 ºC

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

Module with 25 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 50 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4225

The ACS71240 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 120 kHz) and low conduction resistance (0.6 mΩ), it minimizes energy loss and offers a fast response time of less than 5 µs. Pololu 5244

Ultrasonic distance sensor with a range of 30 to 500 cm. Powered from 5 to 12 V, it communicates via RS485 interface. DFRobot SEN0519

Laser distance sensor with a range of 5 cm to 15 m. It has a high accuracy of ± 2 cm and a resolution of 1 mm. DFRobot SEN0524

Module with MLX90641 thermal imaging camera with a 16x12 field matrix and a viewing angle of 55°. It communicates via the I2C interface. Waveshare MLX90641-D55 Thermal Camera

Module with PM2.5 dust sensor. The board is equipped with a Gravity connector and communicates via the I2C interface. DFRobot SEN0460

Module with waterproof barometer LPS33HW. It enables pressure measurement in the range from 260 to 1260 hPa and communicates via I2C or SPI. Adafruit 4414