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This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V. The board measures only 0.7″ × 0.8″, but it allows a typical continuous output current of up to 5 A. Typical efficiencies of 85% to 95% make this regulator well suited for high-power applications like powering motors or servos.

Steel rivet nuts provide a durable threaded connection in places where the thread cannot be threaded directly. M4 YATO YT-36471

The Piergiacomi TR-25-50 cutters are precision tools, 135 mm in length, designed for delicate work in electronics. Equipped with 50-degree angled blades for precise, flush cutting, they ensure durability and accuracy during use, thanks to the 2.5 mm steel thickness.

Rebel test leads for multimeters RB-830 and RB-838, designed for operation at voltages up to 1000 V and currents up to 10 A, ensure safe and reliable measurements. Thanks to angled plugs and compatibility with selected multimeter models, they are a functional addition to any electrical workshop equipment.

Polyurethane work gloves Rebel CS-P002 in size 9/M designed for precision tasks in logistics, industry, warehousing, as well as assembly and gardening work. The polyurethane coating increases durability and grip, while the flexible, seamless construction enhances comfort and user safety. The set includes 12 pairs of gloves.

A development board with the NXP iMXRT1062 microcontroller based on the ARM Cortex-M7 core. It is equipped with a DP83825 PHY Ethernet chip. It can be programmed using any environment and C language or using the Arduino IDE. PJRC TEENSY41_PINS

Metal holder for LEDs with a diameter of 5 mm

Yato YT-81441 heat shrink tubing is a quick and easy way to make a durable and waterproof connection of electrical wires, ideal for home use and in difficult weather conditions. Yato YT-81441

Module with 24-bit ADC NAU7802 converter. It enables reading data from strain gauges and scales. I2C interface. SparkFun SEN-15242

PoE power supply module designed for Raspberry Pi 3B + and 4B. It allows you to use the PoE interface to power the Raspberry Pi via an Ethernet cable, eliminating the need for a separate power supply. Waveshare PoE HAT (B)

3 mm LED matrix. The matrix contains 35 LEDs (5x7 system) in red. Connection diodes are a common anode.

Wired IR repeater with USB connector. It enables the transmission of the IR signal from the remote control to the device that is hidden, e.g. in a cabinet

Lanberg brand power cord from CEE 7/7 to IEC 320 C13 for PC, laptop and server power supplies. Lanberg CA-C13C-12CC-0018-BK

50 W soldering iron for Bakon BK950D station. Works with soldering tips from the T13 series

5 mW red laser diode module, displaying a point. Ideally suited as an indicator element, and thanks to the built-in driver it is possible to supply voltage from 2.8 V to 5.2 V. Adafruit 1054

STM32 Nucleo-144 development board with STM32H7A3ZI MCU, supports Arduino, ST Zio and morpho connectivity. STMicroelectronics NUCLEO-H7A3ZI-Q

T13 soldering tip with a J02-type sharp, curved tip designed for the Bakon BK950D station

Acrylic handle allowing stable placement of the modSR-HC04 sensor module parallel to the ground. modHC-SR04-MB

LCD1602 I2C Waveshare Module 30496 (green) with a 16-character, 2-line character display is a compact and energy-efficient solution for displaying messages in microcontroller projects. Thanks to the I2C interface, wide supply voltage range, and compatibility with popular platforms, the module is suitable for measurement systems, home automation, educational projects, and HMI devices.