DC-DC Step-Down Converter Module AP63357 with 5V output voltage, 3.8 to 32V input voltage and 3.5A maximum output current. It has a very small board format, so it can be used in any project. SparkFun COM-21256

M5Stack U107 is an evaluation board with an RF transceiver operating in the 840 MHz - 960 MHz band, designed for wireless communication in IoT systems. Thanks to its wide frequency range, this module is suitable for applications such as smart cities, remote measurements and security systems

Waveshare 7EP-CAPLCD Monitor is a compact 7" IPS touch screen with a wide color gamut and an aluminum housing, designed to work with a variety of devices via HDMI and USB-C. It offers 10-point touch functionality, high image quality, and built-in speakers, making it ideal for development kits, embedded systems, control panels, and as a portable screen for a computer or smartphone.

M5Stack U078-V-M12 is a flexible camera module that integrates perfectly with the M5Stack platform, providing users with advanced image processing capabilities. With the GC2053 image sensor and SSD202D processor, this module is ideal for AI and machine vision applications, offering high performance and easy integration with other M5Stack components

4-digit 7-segment 0.56 "LED display. Built-in HT16K33 controller allowing communication via I2C bus. Equipped with STEMMA QT connector. Adafruit 5604

Base board for prototyping IoT applications using the new Digi XBee 3 Low-Power LTE-M/NB-IoT and Digi XBee RR modules. It gives access to the full functionality of the XBee module pins, including two USB Type-C connectors for UART communication and firmware updates, a Qwiic connector for I2C-compatible sensors and peripherals. SparkFun WRL-21636

Universal prototyping board with assembly fields for circuits in SMD housing 0402/0603/0805

Cable USB type C (m) / USB type A (m) magnetic ver. 2.0 2.0m. Akyga AK-USB-43

7.5" battery-free e-paper display Waveshare 30537 powered and programmed via NFC provides wireless, energy-efficient operation without the need for cables. Thanks to its large surface area and high resolution, it is suitable for applications such as shelf labels or conference badges. For effective operation, it is recommended to use the ST25R3911B NFC Board programmer or an evaluation kit.

A low-power development platform designed for creating LoRa-based tracking devices. It combines the Nordic nRF52840 chip with the Semtech LR1110 module, offering wide range, low power consumption, and compatibility with Meshtastic software. The board supports over 300 Seeed Grove sensors and has built-in environmental sensors and an accelerometer for expanded monitoring capabilities. Seeed Studio 114993370

Stereo audio amplifier with Bluetooth 4.2 communication. It can be powered with the voltage from 19 to 24 V and has two outputs with a power of 80 W

4-digit 7-segment 0.56 "LED display. Built-in HT16K33 controller allowing communication via I2C bus. Equipped with STEMMA QT connector. Adafruit 5603

Class D digital audio amplifier with Bluetooth 5.0 module. It has two channels with a power of 50 W and can work with speakers from 4 to 8 Ω. It is powered with the voltage ranging from 9 to 24 V

Waveshare 5DP-CAPLCD-B is a high-brightness HDMI display with strong mechanical resistance, designed for embedded projects, HMI panels, and compact user interfaces. Thanks to optical bonding technology, tempered glass, and full compatibility with Raspberry Pi and operating systems, it provides a reliable solution for demanding visual applications.

The audio adapter with a 15-cm cable allows you to connect headphones with two 3.5 mm plugs to devices with one jack socket. This makes it possible to use traditional headsets with modern devices. Akyga AK-AV-08

RF module providing wireless communication compliant with the IEEE 802.15.4 standard. They operate in the 2.4 GHz ISM band and enable local configuration via BLE with the Digi XBee mobile application. They are equipped with the Silicon Labs EFR32MG SoC transmitter and receiver chipset. The range in buildings is up to 90 m, while in open space it reaches up to 3200 m. SparkFun WRL-22629

e-Paper display with a diagonal of 4.26" and a resolution of 800x480 pixels. Thanks to communication via the SPI interface, it allows easy integration with various systems of microcontrollers and single-board computers. Waveshare 4.26inch e-Paper

Module with a light intensity sensor LTR-329. It offers a measuring range from 1 to 65535 lux and a 16-bit resolution. Communication takes place using I2C. Adafruit 5591

The Lanberg DSP1-0105 5-port Fast Ethernet switch allows for easy network expansion in home and office environments, with no configuration required. Its compact size, quiet operation, and support for key networking features make it suitable for SOHO and SMB environments. Lanberg DSP1-0105

8-inch industrial touchscreen display RPI-HMI-080D-ACCE-B with capacitive panel, aluminum enclosure, and 4K HDMI support, designed for projects using Raspberry Pi. Its compact form and extensive interface capabilities make it a suitable solution for automation, user interfaces, and HMI systems.