The module with a methane concentration sensor (MQ-4) in the range up to 10,000 ppm, has an analogue output and an output triggered by exceeding the threshold of sensitivity.

Crowtail – Flame Sensor 2.0 is a module detecting infrared radiation and flame sources, operating in the range of 760–1100 nm. Intended for use in safety systems, robotics, and educational projects.

SEN-14032

Current measurement module using the galvanically isolated Allegro ACS37030LMYATR-065B3 sensor. A combination of Hall-effect sensing and an inductive coil provides DC to 5 MHz measurement bandwidth, a ±65 A range, and a typical response time of 40 ns. The larger carrier board facilitates high-current connections. Pololu 5699

Module with pulse and SpO2 level sensor (oxygen saturation level). The module is based on the MAX30102 chip and communicates via the I2C interface.

Module with a reflection sensor operating in the infrared band. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 101020174

Air quality sensor module based on the ENS160 system. It communicates via the I2C or SPI interface. DFRobot SEN0515

Time-of-Flight VL53L3CX Distance Sensor Expansion Board. The set is designed to measure distances and detect gestures. Distance measurement was carried out using VL53L3CX laser sensors. STMicroelectronics X-NUCLEO-53L3A2

Module with 11-channel AS7341 sensor that allows to detect light in different wavelength ranges (color detection). It communicates via the I2C interface. DFRobot SEN0365

Digital IR distance sensor operating on the basis of a modulated signal with a frequency of 38 kHz. It can detect objects at a distance of up to 60 cm and is powered with a voltage from 4.5 to 5.5 V. Cytron MAKER-OBJECT

Compact current measurement module using the Allegro ACS37100LMATR-050B3 TMR sensor with a galvanically isolated current path. It enables bidirectional current measurement in the ±50 A range, offering measurement bandwidth up to 10 MHz and a short response time of approximately 50 ns. Pololu 5477

Current measurement module using the Allegro ACS37100LMATR-025B3 TMR sensor with a galvanically isolated current path. It enables bidirectional current measurement in the ±25 A range, offering measurement bandwidth up to 10 MHz and a short response time of approximately 50 ns. The larger carrier board provides more space for larger connectors and thicker wires. Pololu 5478

The VCNL4200 sensor module combines distance detection and ambient light measurement, ideal for applications such as robotics and home automation. Thanks to infrared technology, the detection range is up to 1.5 meters, and the built-in ALS sensor allows you to measure light intensity in the range of 0.003 to 1570 lux, making it a versatile solution for monitoring lighting conditions. Adafruit 6064

Current measurement module using the Allegro ACS37100LMATR-050B3 TMR sensor with a galvanically isolated current path. It enables bidirectional current measurement in the ±50 A range, offering measurement bandwidth up to 10 MHz and a short response time of approximately 50 ns. The larger carrier board provides more space for larger connectors and thicker wires. Pololu 5479

Soil moisture sensor with analog output. The module comes with a probe with metal tips.

Module with liquid turbidity sensor. It allows you to measure the amount of suspended particles in a liquid. The sensor can operate in two modes: digital and analog.

Versatile 9DOF sensor with accelerometer, magnetometer and gyroscope, supporting I²C and SPI interfaces, enabling precise measurement of motion, orientation and temperature, with easy integration with Arduino and microcontrollers. Adafruit 3387

The MR60FDA2 sensor kit uses 60GHz mmWave technology to reliably detect falls and people. It offers Home Assistant integration thanks to the XIAO ESP32C6 module and pre-installed ESPHome firmware. Equipped with a BH1750 light intensity sensor, RGB LED indicator and the possibility of expanding with Grove sensors, it is ideal for monitoring health, safety and home automation. Seeed Studio 114993388

Grove module with a proximity sensor, light, color and the ability to detect gestures. The board is equipped with a Grove connector and communicates via I2C. Seeed Studio 101020580

Compact module for bidirectional current measurement using the galvanically isolated Allegro ACS37030LMYATR-025B3 sensor. A combination of Hall-effect sensing and an inductive coil provides DC to 5 MHz measurement bandwidth, a ±25 A range, and a typical response time of 40 ns. Pololu 5694