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

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

Wireless sensor with LoRaWAN network communication. Dedicated to industrial long-distance data acquisition with a wide measurement range of temperature from -40°C to 85°C and humidity from 0 to 100% RH. Seeed Studio 114992867

Breakout board with the Bosch BME688 sensor for measuring temperature, relative humidity and atmospheric pressure as well as monitoring gases and indoor air quality, including VOCs. It communicates via I2C, features two Qwiic connectors and supports Arduino, MicroPython and Bosch BME AI-Studio. Soldered 333203

A set for building a weather station equipped with a rainfall sensor and a wind speed and direction meter. SparkFun SEN-15901

ACS714 Current Sensor Carrier -30 to +30A

Module with a 3-axis MMC5983MA mega-meter. Equipped with a Qwiic connector, it communicates via the I2C interface. SparkFun SEN-19921

Module with a 3-axis BMA400 accelerometer with a measuring range up to ± 16g. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020582

Module with a 3-axis MSA311 accelerometer with a configurable measuring range of ±2g/±4g/±8g/±16g. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 5309

ST Microelectronics’ STTS22H digital temperature sensor module, featuring a Qwiic connector, offers accuracy from -40°C to 125°C without the need for additional calibration. The sensor consumes only 1.75 µA in single measurement mode, making it ideal for low-power applications, and additional features such as a configurable interrupt pin and the ability to select two I2C addresses increase its versatility. SparkFun SEN-21273

BME280 integrates onboard temperature sensor, humidity sensor and barometer. It provides both SPI and I2C interfaces; and can be widely used in environmental monitoring, story height measurement and Internet of Things (IoT) control and so on. SEN0236

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

Finger Vein Scanner Module (B) is a thin, energy-efficient biometric module with finger vein detection based on a Cortex-M4F microcontroller, designed for precise user identification in security applications. NIR technology enables effective recognition regardless of the skin surface condition, making the module a reliable alternative to traditional fingerprint readers. Thanks to its compact dimensions and a rich set of accessories, it facilitates integration with smart locks, door handles, access control systems, and compact IoT terminals.

A miniature lidar distance sensor that detects objects up to 100 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 5483

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 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 a Panasonic sensor with an 8x8 IR thermal matrix (AMG8833 chip) with a built-in 3.3 V controller and a logic level translator. The I2C interface is used for communication. Adafruit 3538

Soil moisture sensor with analogue output. It has a shape resembling a fork, which makes it easy to put it in the ground. The voltage level of the analog output increases in proportion to the ground moisture level. The sensor can be used in an automatic watering system. Version with a 3.5 mm ARK connector. SEN-13637

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 5445