A switching converter that regulates 18V from an input range of 2.6V to 20V. It offers high efficiency of 70-95% and the ability to operate with a continuous input current of up to 900mA and a peak current limit of 2.2A. With a switching frequency of 1.6MHz and a power-saving mode, it is suitable for both high-performance and low-power applications. Pololu 5587

Module with humidity and air temperature sensor based on the AM2302 system. It allows temperature measurement in the range from -40 to 80 ° C and the humidity measurement takes place in the range of 5 to 99% RH. The module has a connector in accordance with the Grove standard. Seeed Studio 101020019

Bluetooth adapter with 3.5 mm jack socket is a practical solution for upgrading classic audio systems. It enables wireless music streaming from modern mobile devices to older sound systems, offering ease of use and versatile application. Ideal for home use, in cars, offices, and mobile audio setups.

Flat USB cable A - micro-B USB with a length of 1 m, cable in yellow

The HDMI (M) to VGA + Audio Adapter (3.5 mm, 15 cm) is designed to convert a digital HDMI signal into an analog VGA signal with simultaneous audio output via a 3.5 mm jack. Support for resolutions up to Full HD 1080p and HDCP compatibility enables operation with VGA monitors and projectors in office, educational, and multimedia applications.

32-bit microcontroller with ARM Cortex-M0 core + Access line ultra-low-power, 32 pins, 16kB Flash, 2kB RAM, 512B EEPROM, ADC, AES, LQFP, temperature range -40 to 85 ° C, STMicroelectronics, RoHS

The BD71847AMWV-E2 is a 12-channel power management IC from ROHM, ideal for highly integrated applications requiring compact size, low power consumption, and efficient voltage regulation

A step-down converter module that allows for input voltage reduction from 7.6-36V to a stable 7.5V, ensuring high efficiency thanks to SMPS technology. A maximum output current of 600mA allows for powering microcontrollers, IoT modules, and other electronic systems. The device is equipped with short circuit and overheating protection and offers very low quiescent current. Pololu 5595

32-bit microcontroller with ARM Cortex-M4 core MCU + FPU, Ultra-low-power, 2MB Flash memory, 640KB SRAM, ext. SMPS, LQFP144

Module with LM2596 step-down converter and LM2577 step-up converter. The inverter has a battery and battery indicator with constant current

Knob with an inner diameter of 6 mm for mounting on a rotary potentiometer. Black color

Compact current sensor based on TMR technology, enabling precise measurements up to 20 A with minimal energy loss. Thanks to a wide 1 MHz bandwidth, galvanic isolation and interference immunity, it is perfect for applications requiring fast response and high accuracy. Pololu 5304

32-bit microcontroller with ARM Cortex-M4 core MCU + FPU, Ultra-low-power, 2MB Flash memory, 640KB SRAM memory, LCD-TFT & MIPI DSI, LQFP144, STM

The module is equipped with eight 10A / 250VAC relays controlled independently via a serial bus (UART) or from a PC (through a microUSB connector). The NO / NC contacts of the relays have been led to the ARK screw terminals. The board recommended for use with Arduino enables the control of eight relays using only two microcontroller lines. ICSTATION ICSE014A

Cable USB type C (m) / USB type C (m) ver. 2.0 60W 1.8m. Akyga AK-USB-41

2-pin ARK mounting strip, 5.0 mm pitch. 129-5.0-02P-14-00A(H). Set of 10 pieces