Module with a 3-axis magnetic field sensor MMC5603. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 5579

The MQ-9 sensor allows the measurement of gas concentrations such as carbon monoxide, propane and methane. Sensor measuring range: 10 - 10,000 ppm

A digital precision current sensor module that measures voltage, current and power of electronic modules and devices up to 26V and 8A with a relative error of ± 0.2%. DFRobot SEN0291

Heart rate monitor module based on the MAX30102 chip. Powered with the voltage from 3.3 to 5V, communication via the I2C interface.

Module with a 3-axis LIS3DSH accelerometer. The board is equipped with a goldpin connector and communicates via the I2C or SPI interface

Pmod PIR is a module with a PIR motion sensor (EKMC1601111), which allows you to detect motion up to 5 meters from the module. The sensor during operation is characterized by low power consumption. Digilent 410-389

Round, flexible, pressure sensor that can be used to implement very sensitive force detection. The sensor is durable and designed to detect static and dynamic pressure at high response speeds. DFRobot SEN0297

Tilt Sensor

Compact 9DOF IMU sensor with accelerometer, gyroscope and magnetometer, supporting advanced data fusion with Arm Cortex M0 processor and CEVA SH-2 software, offering I²C, SPI and UART-RVC interfaces and a wide range of functions for precise motion and orientation analysis. Adafruit 4754

A module with a high precision temperature sensor based on the MCP9808 chip. It communicates via the I2C interface. Adafruit 1782

A moisture sensor specially adapted to work with the Kitronik Greenhouse Kit for the BBC micro:bit. It allows monitoring of moisture in the soil. It can be programmed using any editor for the micro:bit. Kitronik 56107

Module with light intensity sensor LTR-303. It offers a measuring range from 1 to 65535 lux and a 16-bit resolution. Communication takes place using I2C. Adafruit 5610

Module with an infrared sensor MLX90640 - a measuring matrix with a resolution of 32x24 pixels. It offers an accuracy of 1°C and a viewing angle of 55° x35°. Communication with the sensor takes place via the I2C interface. Pimoroni PIM365

The ACS72981 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 250 kHz) and low conduction resistance (0.2 mΩ), it minimizes energy loss and offers a fast response time of less than 2 µs. Pololu 5263

A module with line sensors designed to work with the Kitronik kit. It has two sensors in the form of phototransistors that generate an analog voltage that can be read by the microcontroller. The module is equipped with a 4-pin connector (3V, 0V, L, R), which allows for power supply and reception of signals from the sensors, and the output voltage changes depending on the detected surface, which allows it to be used not only with the Kitronik kit, but also with platforms such as Arduino or Raspberry Pi Pico. Kitronik 56111

Pololu Carrier with Sharp GP2Y0D810Z0F Digital Distance Sensor 10cm

Module with PIR sensor HC-SR501. It can detect movement up to 7 meters with a detection angle of 120 degrees

Module with an obstacle sensor operating in the infrared band. Equipped with an XH2.54 connector, it has a digital output informing about the detection of an obstacle

Module with 1 QTRX type optocoupler with RC (digital) output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4301

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±10 A range with galvanic isolation. It features an analog VOUT output with a sensitivity of 200 mV/A and 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 (~1.6 mΩ) minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5442