Laser rangefinder with measuring range up to 22m. The current consumption is up to 200mA and the supply voltage 4.5 ... 6V. Communication via UART or CAN interface. DFRobot SEN0238

Module with a dust sensor PPD42NS. The board is equipped with a Grove cable and communicates via the PWM interface. Seeed Studio 101020012

HSTS016L Hall Sensor. Enables measurement of high AC and DC currents up to 20 A. modHSTS016L

UV Sensor with response spectrum: 200nm-370nm

Module with INA219 system with bi-directional current meter

Laser dust sensor is a digital universal particle concentration sensor,it can be used to obtain the number of suspended particulate matter in a unit volume of air within 0.3 to 10 microns, namely the concentration of particulate matter, and output with digital interface, also can output quality data of per particle. DFRobot SEN0177

Module with a slide potentiometer. Depending on the position of the slider, the resistance value (maximum resistance 10kΩ) changes, which translates into the voltage value at the analog output of the module. The module has a connector in accordance with the Grove standard. Seeed studio 101020036

A module with a temperature sensor based on the absorption of infrared radiation. Enables non-contact measurement. modTMP006

Gravity: UART Infrared CO2 Sensor is a high precision CO2 sensor. It uses the UART interface for communication. It allows to measure CO2 content in the air in the range of 0 ... 50000ppm. DFRobot SEN0220

A multifunctional module with an optical sensor for measuring the intensity of illumination, the color of the incident RGB light, the distance from the object and the detection of 3D gestures. Adafruit 3595

DFRobot SEN0153

Advanced distance sensor with a range of up to 40 m, offering accuracy of ±3 cm and immunity to ambient light up to 100K LUX. With UART and I2C interfaces, the device is compatible with various platforms such as Raspberry Pi and finds applications in robotics, route planning and warehouse detection. Waveshare TOF Laser Range Sensor (D)

Complete kit for building a gradiometer, including two FG-3+ magnetometer sensors, a PCB board, Android-enabled software, and a mobile app. The kit allows for easy assembly and quick start-up of the device, which will immediately start displaying readings on the LCD after connection. Additional accessories, such as sensor holders, sensor tuning pipes, and a housing, provide convenience, safety, and precise adjustment of the device to use. SparkFun WIG-25530

A miniature lidar proximity sensor that detects objects up to 5 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 5460

Gravity: Analog Infrared CO2 Sensor is a high precision analogue CO2 sensor. It measures CO2 content in the range of 0 ... 5000ppm and is compatible with all devices with ADC function. DFRobot SEN0219

60 GHz mmWave radar module based on the Acconeer A121 Pulsed Coherent Radar (PCR) sensor, designed for presence detection, micro-motion detection, and high-precision distance measurement. Includes mounting holder and a set of radar lenses. Supports USB, UART, and I2C interfaces. Waveshare A121 Range Sensor Box

6-in-1 environmental sensor module enabling measurement of HCHO, TVOC, CO, IAQ, temperature, and humidity via UART communication. Provides high sensitivity thanks to electrochemical technology and compatibility with platforms such as Raspberry Pi, Arduino, and ESP32, making it suitable for air quality monitoring and IoT applications. Waveshare Environment X6 Sensor

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

A precise ultraviolet radiation sensor enabling independent measurement of three UV ranges: UVA, UVB, and UVC. The module communicates with a microcontroller via an I²C interface and offers high measurement sensitivity, enabling detection of very low radiation levels. The I²C address can be changed, allowing for connection of up to four sensors on a single bus. The STEMMA QT/Qwiic board allows for easy connection to platforms such as Arduino, Raspberry Pi, and systems supporting CircuitPython. Adafruit 6476

A small module with QRE1113GR reflective sensor. The sensor is made of IR LED and phototransistor IR. With its help, it is possible to determine the brightness of the position over which it is located, it can be used, for example, to detect a black line in Linefollower robots. SparkFun ROB-09453