The ring has sixteen RGB WS2812 diodes, controlled by means of serial signals. The module can be supplied with voltage from 4-7V, only one signal line is required to control it. NeoPixel Ring 16 x WS2812B

Unshielded UTP category 5E Ethernet network cable with RJ45 plugs. Lanberg PCU5-10CC-0300-Y

Female-to-male HDMI adapter is a practical connector that allows you to direct the HDMI cable at a 90-degree angle, eliminating the need to bend the cable. It supports 4K resolution, surround sound, 3D technology, and ARC and CEC 2.0 functions, making it a versatile tool for connecting HDMI devices. Akyga AK-AD-70

DFRobot DFR0316

A set of flat female spade connectors in sizes 2.8 / 4.8 / 6.3 mm designed for quick and durable wire connections in electrical and automotive installations. The set also includes insulating sleeves and a practical organizer for easy storage

Compact and efficient module designed for precise control of bipolar stepper motors, offering microstepping down to 1/32 step and maximum current up to 2 A in peak mode. Thanks to advanced features such as QuietStep (APFD) algorithm, built-in protections and pin compatibility with A4988, it is perfect for hobby, educational and industrial projects. Blue Edition version with four-layer board and 2 oz copper provides better heat dissipation, increasing reliability of operation even at higher loads. Pololu 5340

Adapter for charging laptops with a 5.5x2.5 mm connector using a USB-C power supply. It supports Power Delivery with voltage from 18.5V to 20V and power up to 100W. The small size and light weight make it practical for travel. Compatible with ASUS, Acer, Toshiba and HP laptops. The adapter does not increase the power of the power supply, so it is important that the power supply has enough power to power the device. Akyga AK-ND-C01

Module with three Hall sensors A3144E, which react to the failure of the magnet. It is powered with 5 V and has a digital output on the Grove connector. M5Stack U084

MS-DIP/SO1 PCB, SO8-SO28L to DIP8-DIP28 adapter

Unshielded UTP category 5E Ethernet network cable with RJ45 plugs. Lanberg PCU5-10CC-1000-W

Module with a relay and WiFi communication. Compatible with ESP-01 or ESP-01S

A glass fuse with dimensions of 5x20mm and a current of 0.1A is a fast-reacting protection of electronic devices against overload, supplied in a set of 100 pieces

A module with line sensors designed to work with the Kitronik kit. It has two sensors in the form of phototransistors that generate an analog voltage that can be read by the microcontroller. The module is equipped with a 4-pin connector (3V, 0V, L, R), which allows for power supply and reception of signals from the sensors, and the output voltage changes depending on the detected surface, which allows it to be used not only with the Kitronik kit, but also with platforms such as Arduino or Raspberry Pi Pico. Kitronik 56111

Power Cable with Open Tin Akyga AK-OT-02A CCA IEC C13 1.5 m. Akyga AK-OT-02A

Module with 4-channel 12-bit DAC MCP4728 converter with built-in EEPROM memory. Equipped with a STEMMA QT connector, it communicates using the I2C bus. Adafruit 4470

The active piezo transducer module with the generator in the housing on the PCB. Compatible with Arduino. KEYES KY-012

The HC-05 signal lamp is an LED device powered by 12 V, emitting intense orange strobe light at a frequency of approximately 500 flashes per minute. It is commonly used in gate automation and alarm systems, providing high visibility and safety