Three-axis joystick with 5 kΩ resistance potentiometers that register the position of the X, Y and Z axes. It provides precise motion control in three dimensions, allowing the user to smoothly control connected devices. R300B-M2

Three-axis joystick with 10 kΩ potentiometers that register the position of the X, Y and Z axes. Provides precise control of movement in three dimensions, allowing the user to smoothly control connected devices. JH-D400B-M4

A pair of 3-pin curved magnetic connectors. It has a 2.2 mm pitch and can conduct a current of 3 A

A compact converter designed to drive LEDs in series and parallel circuits. The device generates voltages up to 40V and currents up to 400mA from a 3-5V supply, with the output current adjustable via mini DIP switches. The board features a built-in 1.2A switch, overvoltage protection, and PWM LED dimming. Adafruit 6354

Audio amplifier with three output channels. It can be powered with the voltage from 12 to 24 V and has two outputs with a power of 50 W (left and right) and one with a power of 100 W (bass). Equipped with Bluetooth 5.0 communication

A compact voltage converter module that reduces input voltage from 9.4 to 65 V to a stable 9 V at up to 700 mA. It features high efficiency, low quiescent current (<0.2 mA), and short-circuit and thermal protection, ensuring safe and efficient operation. Its small size and ease of integration make it ideal for mobile devices, battery-powered designs, and systems requiring stable power. Pololu 5436

STM32U585CIT6, ARM Cortex-M33 core microcontroller, 2 MB Flash, 784 KB RAM, 160 MHz CPU, LQFP48

Lanberg Cat.5e 30m patch cord provides a stable and fast connection, ideal for a variety of network applications. Lanberg PCU5-10CC-3000-S

Stereo audio amplifier with Bluetooth 5.0 communication. It can be powered with the voltage from 9 to 24 V and has two outputs with a power of 50 W. Assembly kit. ZK-502C

Module with digital barometer BMP384. It enables pressure measurement in the range from 300 to 1250 hPa with 24-bit resolution and communicates via I2C. SparkFun SEN-19833

The Lanberg Cat.6 UTP patch cord, 2m long, is made of copper (CU) and has an LSZH sheath, which ensures safety and excellent conductivity. The cable meets the technological standards of category 6, offering a maximum operating frequency of up to 250MHz and has been positively tested by Fluke. Lanberg pcu6-10cu-0200-s

STM32U585RIT6, ARM Cortex-M33 core microcontroller, 2 MB Flash, 784 KB RAM, 160 MHz CPU, LQFP64

A compact development board that uses the ESP32-PICO-MINI chip. It provides wireless communication via Bluetooth and serves as an easy-to-configure UART converter. It has a built-in PCB antenna. SparkFun WRL-24113

A set of 10 cables, 50 cm long, compliant with the Gravity standard. DFRobot FIT0773

A stepper motor driver for precise control of bipolar motors, offering six microstepping modes (from full to 1/32). It operates within a voltage range of 8.2V to 44V and delivers up to 1.5A per phase without cooling or up to 2.2A with a heatsink/fan, ensuring smooth and stable operation even at high speeds. Compatible with the popular A4988 and DRV8825 drivers, with an integrated regulator and overheating, overload, and short circuit protection, the TB67S581FNG is a reliable and versatile solution for applications requiring precise motion control. Pololu 2989

An H-bridge capable of controlling one DC motor in both directions or two unidirectional motors at voltages from 4.5 to 44 V and continuous current up to 1.1 A. The module offers three operating modes (PH/EN, IN/IN, half-bridge), built-in current limiting and measurement, and protection against overheating, overload, undervoltage, and reverse polarity. Its compact design, flexible logic power supply (1.8–5.5 V), and simple control make it ideal for robotics, automation, and hobby projects. Pololu 4972

A USB-to-I²C adapter that allows a computer to act as an I²C bus controller, supporting speeds over 1 MHz, clock stretching, and bidirectional communication. The device offers full galvanic isolation between USB and I²C, protecting the computer from damage and interference. With JST SH and goldpin connectors, USB-C support, a virtual serial port, and a Python library, the adapter is a versatile tool for working with I²C devices in both hobbyist and professional projects. Pololu 5396

Grove - ORP Sensor Kit Pro is an advanced liquid ORP measurement kit that measures water quality from -2000 mV to +2000 mV. With a 5-meter IP68 probe and compatibility with Arduino and XIAO, it is ideal for monitoring aquatic environments, wastewater treatment and aquaculture.

Four-channel relay module with optoisolation, allowing control of loads up to 10 A at 250 V AC or 30 V DC. Thanks to standard interfaces and separate JD-VCC power supply, it is compatible with most microcontrollers and automation systems, ensuring safe integration and convenient installation.