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SoM Raspberry Pi CM4 with the SoC Broadcom BCM2711 SoC (4 x Cortex-A72) running at 1.5 GHz, 2 GB LPDDR4 RAM, 16 GB eMMC and wireless connectivity. Raspberry Pi CM4102016

Wireless door and window opening/closing sensor working within the Zigbee standard. It is an excellent security device informing, for example, about unwanted entry into the house. Sonoff SNZB-04

I2C compatiable (2-wire) serial EEPROM 512-Kbit (65,536 x 8), SOIC8, Atmel, RoHS

Kitronik 2708 is a relay module designed to work with the BBC micro:bit, allowing control of higher voltage circuits using signals from the micro:bit. Equipped with an electromagnetic relay, it enables safe switching of external devices such as motors or lighting, making it ideal for projects that require control over larger loads.

3-color (red, black, white) e-Paper display with a diagonal of 1.54" and a resolution of 200x200 px with passive power supply via NFC. Waveshare 1.54inch NFC-Powered e-Paper (BW)

Module with black and white e-Paper display, diagonal 1.02" and resolution 128x80 px. SPI interface. Waveshare 1.02inch e-Paper Module

8mm rail screw nut with 2mm pitch. Used for drives in 3D printers

SK-NVME 2242 256G SSD-M.2 is a compact NVMe drive designed for fast and reliable data handling in modern computer systems. With the high performance of the PCIe 3.0 x4 interface and 3D TLC NAND technology, it is well-suited for desktops, mobile systems, and embedded projects that require large capacity in a space-constrained form factor.

Flexible shaft coupling with a diameter of 8 mm and 10 mm. It is made of aluminum, has a diameter of 25 mm and a length of 30 mm

The PCIe To M.2 MINI adapter allows the Raspberry Pi 5 to be expanded with a high-speed NVMe SSD, offering high bandwidth and the ability to boot the system directly from the drive. Its compact form makes the module ideal for projects that require high computing power and fast data access within limited mounting space. It is well-suited for file systems, servers, terminals, and embedded projects using the Raspberry Pi 5.

Bearing GT2 20T pulley for a shaft with a diameter of 5 mm. Without teeth, suitable for 6 mm wide belt

Compact expansion module compatible with DRV8825 and A4988 stepper motor drivers. It allows you to connect the module with the controller and convenient connection of other system components

Micro HDMI to HDMI adapter with two power supply modes and dual 4K output support, designed to work with Raspberry Pi 5 and Raspberry Pi 4B, enables reliable connection of displays and UART signal transmission. It is suitable for multimedia projects, presentation systems, and embedded solutions where a compact and functional solution for video support and serial communication is required.

This L298N module allows independent control of two DC motors or one stepper motor, ideal for robotics and DIY projects. It supports power supplies from 7V to 35V and has a built-in 5V regulator that can power additional circuits. Control is performed via the ENA, ENB, and IN1–IN4 pins, allowing for adjustable rotational direction and speed. The module is equipped with protection diodes and filter capacitors for stable and reliable operation.

LED power supply - set for self-assembly

Module with the TMC2209 bipolar stepper motor driver. It enables control with a supply voltage ranging from 4.75 to 29 V and a current of up to 2.8 A

Waveshare 4inch 720x720 LCD is a precise round touch screen with HDMI and USB-C interfaces, designed for devices requiring curved or circular user interfaces. Optical bonding technology and tempered glass ensure durability and image clarity, making it an ideal solution for embedded projects, automation systems, and visual applications with non-standard screen shapes.