High-quality, aesthetically made USB 3.0 HUB with a built-in 10/100/1000Mbps network card. Akyga AK-AD-32

The Akyga AK-AD-31 network card adapter converts USB 3.0 to RJ45, enabling a fast network connection up to 1000 Mbps, ideal for laptops without a built-in network card or with a damaged LAN port, compatible with many operating systems. Akyga AK-AD-31

This compact module allows for convenient control of servos communicating via UART in half-duplex or full-duplex mode, making it suitable for a variety of robotic projects. Equipped with Molex connectors and additional pins, it allows for easy integration of popular servos, such as the LX-16A, as well as models from other manufacturers. The module offers high-current power output, ensuring stable operation of complex systems with multiple servos. Pimoroni PIM697

Module with 4 QTRX type optocoupler with RC (digital) output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4304

Numato Lab NLETHGC032-HT is a versatile 32-channel GPIO Ethernet module, ideal for advanced automation projects and expansion of electronic systems.

ARK terminal connector spring 3-pin, pitch 2.54 mm, non-detachable.

The NX-NVME 2280 256GB SSD with PCIe Gen3 x4 interface and 3D TLC Flash memory is a reliable and high-performance solution for both general and specialized applications, including use with expansion boards for Raspberry Pi 5. Ideal for upgrading laptops, desktop computers, and embedded systems, it offers significantly faster data access compared to traditional SATA drives.

Module with BME680 for measuring the concentration of VOC, pressure, temperature and humidity. Equipped with a STEMMA QT connector, it communicates via I2C or SPI. Adafruit 3660

Module with 2 QTR type optocoupler with analog output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4202

Waveshare WIFI501 is a mother board designed to be used with WiFi modules like WIFI232 series, WIFI-LPT100. It provides an easy way to test/evaluate these WiFi to UART modules

Module with an infrared sensor AMG8833 - a measurement matrix with a resolution of 64 pixels (8x8). It offers an accuracy of 2.5°C and the ability to detect people at a distance of up to 7 m. Communication with the sensor is via the I2C interface. SparkFun SEN-14607

Unshielded UTP category 6 Ethernet network cable with RJ45 plugs. Lanberg PCU6-10CC-0750-BK

Development board specially designed to add advanced hardware I/O capabilities to your Android or PC application; PIC microcontroller connects an app on your PC or Android device to low-level peripherals like GPIO, PWM, ADC, I2C, SPI, and UART. DEV-13613

Module with RP2040 microcontroller and digital I2S DAC converter and built-in 3W stereo amplifier, allowing to connect speakers to Raspberry Pi or computer via USB-C. Provides clear sound without the need of using 3.5 mm jack socket and offers easy connection of speakers via screw terminals without soldering. It is equipped with a connector for volume encoder and Qw/ST port for integration with other modules via I2C. Pimoroni PIM742

The Akyga AK-ND-C07 adapter converts a USB-C connector to an HP 7.4x5.0 mm laptop connector, allowing you to charge various HP laptop models with one USB-C PD charger. The adapter supports power up to 100 W and voltage from 18.5 to 20 V. It is compact, which makes it perfect for travel. It is important to check the power of the power supply you are using before connecting. Akyga AK-ND-C07

It has 10 segments, one can be highlighted in red, one in yellow, one in light green, the rest in green. This type of display can be used to indicate battery charge, liquid level in the tank, volume etc. Seeed Studio 104020006

Module with 4 QTR type optocoupler with analog output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4244

An IMU module that adds a full 9-axis sensor suite to Feather boards for motion and orientation measurement. It combines an accelerometer, gyroscope, and magnetometer, providing stable and accurate data ideal for robotics, stabilization, wearables, and 3D motion analysis. The module communicates via I2C and features a STEMMA QT port for easy integration and solderless connection of additional sensors. Adafruit 4565

MH-Z16 carbon dioxide sensor with Grove connector. It communicates via the UART interface. Seeed Studio 101020067