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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.

This SPST solid-state relay module allows for safe switching of DC circuits up to 30 V and 11 A, offering galvanic isolation and low conduction resistance (approx. 30 mΩ) thanks to the use of back-to-back MOSFET transistors. It features fast switching time (up to 1 ms), low control current consumption (approx. 10 mA), and the ability to control a signal from 2.7 to 40 V. Its compact design, lack of mechanical components, and the ability to mount on 2.54 mm connectors or screw terminals make the module a durable and quiet solution for systems requiring reliable insulation and long service life. Pololu 5421

This SPST solid-state relay module allows for safe switching of DC circuits up to 60 V and 7 A, offering galvanic isolation and low conduction resistance (approx. 30 mΩ) thanks to the use of back-to-back MOSFET transistors. It features fast switching time (up to 1 ms), low control current consumption (approx. 10 mA), and the ability to control a signal from 2.7 to 40 V. Its compact design, lack of mechanical components, and the ability to mount on 2.54 mm connectors or screw terminals make the module a durable and quiet solution for systems requiring reliable isolation and long service life. Pololu 5420

Metal spreader for spreading paste and flux ensures convenient application of soldering materials

HDMI signal switcher with 3 inputs and 1 output. Allows multiple input devices to share one HDMI screen. Waveshare HDMI-SWITCHER-3IN-1OUT

LCD1602 I2C Module Waveshare 30495 (gray) with a two-line 16×2 character display, adjustable backlight, and I2C interface offers a cost-effective and GPIO-saving solution for presenting text information in microcontroller projects. Compatibility with popular platforms and low power consumption make it a versatile component for HMI systems, measurement devices, and automation.

Set of 25 momentary microswitches with white, green, red, yellow and blue caps

Step-Up/Step-Down converter with adjustable output voltage from 0.8 to 33 V, input voltage from 4.5 to 30 V and a maximum current of 5 A. It is equipped with a voltmeter with a display

Universal device for checking the battery condition with a built-in balancer and the function of analyzing PWM, PPM and S.BUS signals. The device can handle Li-Ion, LiPo, LiFe,LiHV, Ni-Cd and Ni-MH battery packs from 1S to 8S. ISDT BattGo BG-8S

PCIE TO 4-CH NVME Board (B) NP is a PCIe expansion board for Raspberry Pi 5, allowing connection of up to four NVMe drives, improving system performance and enabling SSD boot. With power supply via Pi5 or an external source and support for multiple M.2 formats, it is ideal for expanding storage in projects requiring high speed and reliability. Version without power adapter and power cable, intended for users with their own power infrastructure.

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.

8-channel module with relays designed for minicomputers Raspberry Pi. It allows you to control devices powered by high voltage. Waveshare RPi Relay Board (B)

ESP32-C6-DEV-KIT-N16-M is an evaluation board for projects requiring modern wireless connectivity and high performance with low power consumption. Support for Wi-Fi 6, Bluetooth 5, and Zigbee/Thread makes it an ideal choice for smart home applications, industrial automation, and consumer electronics. Integrated connectors and USB/UART interfaces facilitate rapid development and prototyping.

RP2350-LCD-1.47-A is a compact development board featuring the RP2350A microcontroller and a color LCD screen, offering high computing performance and low power consumption. With support for dual CPU architectures and USB programming, it is ideally suited for educational projects, graphical demonstrators, and integration with consumer and portable devices. The version with a USB Type-C port and without pre-soldered headers provides greater flexibility for mounting and adaptation.

ESP32-S3-LCD-1.3 is a compact and efficient development board designed for IoT applications, user interfaces, and wearable systems. The integrated color IPS display, 6-axis motion sensor, wireless communication, and extensive power options make it ideal for creating interactive educational projects, demonstrators, and prototypes of mobile control and measurement devices. The standard version is intended for self-expansion or integration.

SATA III to USB 3.0 adapter. It allows you to connect a 2.5" HDD, 3.5" HDD or SSD to a computer via USB. Comes with a 12 V power supply

SATA III to USB 3.0 adapter. It allows you to connect a 2.5" HDD, 3.5" HDD or SSD to a computer via USB. The angle joint facilitates assembly

The adapter allows you to connect the antenna with the RP SMA 50 Ω female connector to the device with the uFL socket (also known as u.FL, IPEX, IPAX, IPX, MHF, AM). The cord has a length of 20cm