Module with the MQ3 alcohol concentration sensor. The board is equipped with a Grove connector and communicates via an analog interface. Seeed Studio 101020006

The Digilent Pmod NAV uses the LSM9DS1 3-axis accelerometer, 3-axis gyroscope, 3-axis magnetometer, plus the LPS25HB digital barometer to provide users with 10-DOF functionality. Digilent 410-326

 relative humidity sensor with integrated temperature sensor for highly accurate measurements at low power. With the TI HDC1080, you can determine the relative humidity of the environment with up to 14 bits of resolution. Digilent 410-347

Module with INA219 system with bi-directional current meter

The temperature and humidity sensor with RS485 Modbus interface is a precise measuring device, ideal for industrial automation systems, easily integrated thanks to the Modbus RTU protocol. Mounted on a DIN rail, it measures temperature from -40°C to 80°C and humidity up to 100% RH, providing reliable data in harsh environmental conditions.

Gravity: High Accuracy is a multifunctional environmental sensor with Gravity I2C and UART output. Perfect for weather station projects. DFRobot SEN0501

DFRobot SEN0153

A USB thermal camera module for Raspberry Pi offering precise temperature detection with a resolution of 80×62 pixels. It enables easy integration into industrial applications and control systems. It is an ideal solution for temperature monitoring, thermal analysis and security systems. Waveshare Thermal-90 USB Camera

64 Mbit Pseudo-SRAM with SPI/QPI interface, auto refresh, burst linear and wrap modes, and configurable I/O interface (1-/4-bit) in SOP-8 package. High performance and low power consumption ideal for data caching in embedded systems and IoT devices

Module with a gas concentration sensor MQ2, which enables the detection of LPG, butane, propane, methane, alcohol, hydrogen and smoke. The board is equipped with a Grove connector and communicates via an analog interface. Seeed Studio 101020055

BMP390 is a compact, energy-efficient barometric pressure sensor with high accuracy, designed for precise altitude measurement and mobile applications. Thanks to its I2C/SPI interfaces and SMD mounting, it is widely used in embedded projects and wearable devices.

GY-9255 is a 9 Degrees of Freedom (9DoF) module with the InvenSense MPU-9255 chip. It has a built-in gyroscope, accelerometer and magnetometer

Module with sensor TMP117. It enables measurement in the range from –55°C to 150°C with a very high accuracy up to ± 0.1°C. It communicates via the I2C interface. Adafruit 4821

The GY‑271 module with HMC5883L sensor is a precise digital compass offering three-axis magnetic field measurement, I²C communication, and 3 V–5 V operation. Suitable for robotics, navigation, and embedded systems requiring low power consumption and a compact form factor. GY‑271

The module is based on the Acconeer XM125 radar, which uses 60 GHz radar technology, offering distance measurement up to 20 meters and recognition of objects and their movement speed. The sensor is characterized by low power consumption, making it ideal for battery-powered devices, and also allows for various detection modes, such as level measurement or human presence. Supported by the Arduino library and the Acconeer Exploration Tool, the module provides support for monitoring, debugging and configuration, offering a wide range of applications from smart homes to advanced robotics and security systems. SParkFun SEN-24540

Universal weather station for measuring wind speed and direction, temperature, humidity and atmospheric pressure, compatible with micro:bit, Raspberry Pi, ESP32 and Unihiker controllers. It has 16 MB of internal memory, which allows for 160 days of data storage at a minute sampling rate, and data can be exported via USB Type-C port. The sturdy metal casing with a waterproof protective coating and compatibility with tripods make the station ideal for field atmospheric research and educational projects. DFRobot EDU0157-EN

Earth humidity sensor with analogue output, supplied with 3.3 to 5.5 V voltage with Gravity connector. DFRobot SEN0193

High-end temperature and humidity sensor module, offering ±1.0% RH and ±0.1°C precision and full I2C communication. With 3.3 to 5V voltage compatibility, STEMMA QT connectors and IP67 protection, it is easy to integrate and resistant to harsh environmental conditions. Ideal for IoT projects, weather stations and automation systems requiring accurate measurements. Adafruit 6174

SEN-14032

Gravity: Digital Water Flow Sensor is a liquid flow sensor that uses a Hall sensor. Powered by 5 ... 12V voltage. DFRobot SEN0216