Module with hydrogen sulphide sensor made in MEMS technology. It allows gas detection in the range of 0.5 to 50 ppm and has an analog output. DFRobot SEN0568

Module with the PIR EKMB1107112 motion sensor, the standby power consumption of up to 1 uA. SparkFun SEN-17373

Methane sensor module made in MEMS technology. It allows gas detection in the range of 1 to 10000 ppm and has an analog output. DFRobot SEN0565

A miniature lidar distance sensor that detects objects up to 10 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 (142 Hz), switching hysteresis, and a compact housing with an indicator LED. Pololu 5552

Board with a temperature sensor DS18B20 designed for modules ESP8266, ESP-01 and ESP-01S

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

Seeed Studio SenseCAP S2105 wireless soil sensor designed for simultaneous measurement of volumetric water content, soil temperature, and electrical conductivity (EC). LoRaWAN® communication, an IP66-rated enclosure, and a replaceable 19 Ah battery enable deployment in smart agriculture, irrigation, and remote soil condition monitoring systems. Seeed Studio 114992871

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-19451

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

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-19218

The Gravity Occupancy Sensor uses 24 GHz FMCW radar technology, enabling precise presence detection at a distance of up to 8 meters and movement and distance measurement up to 12 meters. Thanks to its high resistance to environmental interference, it works reliably regardless of light, temperature or dust, effectively detecting both static and dynamic objects. Compatibility with Arduino, ESP32, Raspberry Pi and a simple Gravity interface make it an ideal solution for intelligent lighting, building automation and security systems. DFRobot SEN0610

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-19037

A module with a rotary encoder and RGB LED lighting for M5Stack sets. It communicates via the I2C interface. M5Stack U135

SGP41 gas sensor module for VOC and NOx measurement with I2C interface and STEMMA QT/Qwiic connectors, equipped with dual MOX sensing elements. Adafruit 6455

An environmental sensor based on the BME688 sensor, enabling simultaneous measurement of temperature, humidity, atmospheric pressure, and air quality. The device detects volatile organic compounds and calculates CO₂ equivalent and IAQ, allowing for accurate monitoring of indoor conditions. Communication via an I2C interface ensures easy integration with microcontrollers and platforms such as Arduino and UIFlow. M5Stack U169

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

A compact 3-in-1 module that simultaneously measures CO₂ concentration, temperature, and humidity. With 2.4 GHz Wi-Fi connectivity and MQTT and REST API support, it easily integrates with IoT systems and cloud platforms. It offers local data storage, a built-in web server, and an RGB indicator for air quality. Numato Lab NLSENZA002

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

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

A compact module for precise air temperature and humidity measurement, designed for home, commercial, and industrial applications. With 2.4 GHz Wi-Fi connectivity and support for MQTT, MQTTS, and REST APIs, it easily integrates with IoT systems and cloud platforms. The device offers a built-in web server, local data storage, and on-mode sensor calibration. A clear RGB indicator and AP mode simplify configuration and daily use in smart home and automation projects. Numato Lab NLSENZA001