Digital audio amplifier dedicated to woofers. It has one channel with a power of 50W and can work with speakers from 4 to 8 Ω. It is powered with the voltage from 8 to 25 V

Adapter from BNC male connector to terminal spring connector

DC-DC Step-Up converter U3V40F7 with an output voltage of 7.5 V, an input voltage of 1.3 to 7.5 V and a maximum output current of 4 A. Pololu 4014

Module with 4 relays with a maximum switching current of 7 A. It communicates via the USB interface. Numato Lab RL40001

A module with an acceleration and rotational speed sensor based on the ICG-20660L system. It communicates via the I2C or SPI interface. DFRobot SEN0443

Shielded FTP category 6 Ethernet network cable with RJ45 plugs. Lanberg PCF6-10CC-0500-BK

Module with DHT20 temperature and humidity sensor. It allows you to measure humidity in the range from 0 to 100% and temperature from -40 to 80℃. DFRobot SEN0497

Module with a 16-channel GPIO expander with the ability to control LEDs. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 4886

4.3" IPS LCD display with touch panel. It is equipped with a DSI interface for displaying the image and I2C for operating the touch panel. It offers a resolution of 800x480 pixels. Waveshare 4.3inch DSI LCD

Soil moisture sensor dedicated to micro:bit. It is supplied with the voltage from 3.3 V to 5 V and communicates via an analog signal. SparkFun SEN-15272

UART-RS485 converter module based on the TD (H) 541S485H chip. Equipped with power isolation and TVS. DFRobot DFR0845

Module with a digital temperature sensor PCT2075. It enables measurement in the range from -25 to 100°C with an accuracy of ±1°C. Communicates via I2C. Adafruit 4369

Module with a 10-channel AS7341 sensor that detects light in various wavelength ranges (color detection). It communicates via the I2C interface. Adafruit 4698

Module with TLV493D 3-axis magnetic field sensor. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 4366

Unshielded UTP category 6 Ethernet network cable with RJ45 plugs. Lanberg PCU6-10CC-1000-O

Yellow LED strip with SMD 5050 diodes. It is powered by 12 V DC, has a length of 5 m and 60 LEDs/m. Protection class IP65 (waterproof)

ToF distance sensor (Time of flight) with a range of up to 2.5 m. The module is powered with the voltage of 3.3 V and communicates via the I2C interface. DFRobot SEN0430

Unshielded UTP category 6 Ethernet network cable with RJ45 plugs. Lanberg PCU6-10CC-0150-Y

Wi-Fi signal extender operating in the 2.4 GHz band (IEEE 802.11 b/g/n), supporting up to 10 users, equipped with an RJ45 port and simple configuration. Rebel KOM1030