A module with a motion sensor that uses microwaves to detect moving objects. It is powered with the voltage of 5 V and has a digital output. DFRobot SEN0521

Compact MEMS environmental sensor capable of measuring temperature, humidity, pressure and VOC, with I2C and SPI support and AI-powered gas analysis. Ideal for projects such as weather stations, smart home systems and air quality monitors, it provides high measurement precision and integration flexibility. DFRobot SEN0617

Volatile gas sensor module, including LPG, natural gas, natural gas

A modern current sensor with a measurement range of -40 A to +40 A, combining the Hall effect with an inductor, allows for precise measurements of both DC and AC components up to 5 MHz. Its lightning-fast response time and low path resistance make it ideal for motor control systems, power converters, and protection systems. Pololu 5231

Miniature air quality sensor described by the manufacturer as World\'s Smallest Fanless Air Quality Sensor, measurement of PM1, PM2.5 and PM10, I2C/SPI communication, operating voltage 3.3 V. DFRobot SEN0663

Module with temperature and humidity sensor. It allows you to measure temperature in the range from 5 to 50°C and humidity in the range from 10 to 90%. The module communicates via the I2C interface. SparkFun SEN-11295

This 3-axis magnetometer enables precise magnetic field measurement in the X, Y, and Z axes within a range of ±133 mT or ±266 mT. The system is equipped with a 12-bit ADC and a CORDIC angular calculation engine, which allows for positioning within a range of 0–360°, making it suitable for applications such as magnetic encoders, robotics, and positioning systems. Communication is via an I2C interface with CRC support and speeds up to 1 MHz, and the module is compatible with 3.3V and 5V logic. STEMMA QT/Qwiic connectors enable quick connection. Adafruit 6490

An ultrasonic sensor whose operation is based on the time-of-flight (ToF) principle. In addition to distance information, the sensor also generates an echo energy intensity value useful for distinguishing between different materials or surfaces. Seeed Studio 101021097

Module with acceleration and rotational speed sensor based on the MPU-6050 system. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 3886

Module with a temperature and humidity sensor based on the HTU31 system. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 4832

Module with a flame sensor or other light sources with a wavelength in the range of 760 to 1100 nm. It was based on the YG1006 sensor (photovolver NPN). The sensor has a connector compatible with the Grove standard. Seeed studio 101020049

A module with an acceleration and rotational speed sensor based on the LSM6DSOX system and the LIS3MDL magnetometer. Equipped with a STEMMA QT connector, it communicates via the I2C, SPI or I3C interface. Adafruit 4517

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

ToF distance sensor (Time of flight) with a range of up to 5 m. The module is supplied with the voltage of 3.3 V and communicates via the I2C interface. SparkFun SEN-19036

Compact light sensor that provides precise measurement of both illuminance (10–10000 Lux) and correlated color temperature (2700K–6500K), with low measurement errors. Thanks to I2C and UART interfaces, the sensor easily integrates with platforms such as Arduino or Raspberry Pi, making it an ideal tool for photographers, filmmakers and projects requiring lighting control. DFRobot SEN0611

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

Temperature and humidity sensor module based on the HTS221 chip. Equipped with a STEMMA QT connector, it communicates via an I2C or SPI interface. Adafruit 4535

Module with a reflection sensor (line sensor) RS-06WD. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 101020172

A module with a high precision temperature sensor based on the STS35 system. It allows measurement with an accuracy of ±0.1° C and communicates via the I2C interface. DFRobot SEN0434

Module with an absolute pressure sensor LPS25HB. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 4530