The module with an alcohol sensor (MQ-3), allows you to measure the concentration of ethanol in the air. The module has an analogue output and an output triggered by exceeding the threshold of sensitivity.

Shielded FTP category 6 Ethernet network cable with RJ45 plugs. Lanberg PCF6-10CC-0025-W

ToF distance sensor module with a range of 5 to 180 cm. Communication via UART or I2C.

USB-A - microUSB power cord with a length of 1.5 m. The built-in switch allows you to disconnect the power supply from the load

A module with a USB converter - GPIO/ADC/I2C based on the MCP2221A chip. It allows you to connect sensors, displays or PWM drivers to the computer via a 2.54 mm or Stemma QT/Qwiic connector. Adafruit 4471

ARM Cortex-M3 CPU, 256kB Flash, 64kB RAM, Ethernet, USB OTG FS, 2xCAN, 5xUART, 2xI2C, 2xSPI, ADC, DAC, STM, LQFP64, RoHS

Stereo audio amplifier with a power of 40 W (2 x 20 W) powered with the voltage of 12 V. Equipped with an audio input in the form of two chinch sockets and an audio jack 3.5 mm input

HDMI mini cable (male) to VGA (female). It allows you to connect displays with VGA support on a mini HDMI connector to the VGA output. Waveshare Mini HDMI Male to VGA Female Cable

USB - RS232 adapter equipped with a USB type A connector and an RS232 connector in the DB9 female standard. It uses the original FTDI FT232RL chip, which guarantees a reliable connection between a variety of devices. Waveshare USB-TO-RS232-Female-Cable

DC 5.5 x 2.1 mm adapter with one female socket and 5 male plugs. It can be used as a splitter to connect several devices to one power supply

2-pin ARK mounting strip, 5.0 mm pitch. 332K-5.0-02P-12-00A(H). Set of 10 pieces

USB - UART converter based on the PL2303GS chip. Compatible with 1.8 V, 2.5 V, 3.3 V and 5 V, it is equipped with a mini USB connector. Waveshare PL2303 USB UART Board (mini) V2

High-quality digital-to-analog converter that allows for pure stereo audio playback without the need for I2C configuration or the MCLK pin. It supports I2S signals (BCLK, WSEL, DIN) and audio formats up to 32 bits and 384 kHz, providing an excellent signal-to-noise ratio (112 dB). Audio output is available via a 3.5 mm jack or on-board pads, and the module works best as a line output to amplifiers and audio systems. Adafruit 6250

Female terminal block, 20-pin. Pitch 3.81mm. Height 11.1mm. 15EDGK-3.81-20P

A set of 40 pcs of male-male connecting cables in various colors, 10 cm long

ProtoPCB1260 is a universal double-sided PCB with dimensions of 80 × 120 mm and 1260 tinned holes. It facilitates quick creation and testing of electronic circuits with through-hole components, making it ideal for prototyping and educational use.

JST SH type connector, 1.0 mm pitch, surface mounted, horizontal spatial orientation. The set includes 10 connectors

STM32H725ZGT6, High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 1 MByte Flash, 564 KBytes RAM, 550 MHz CPU, L1 cache, external memory interface, SMPS, subset of peripherals, LQFP144

The SMP-01 miniature relay ensures high efficiency, installation flexibility and compliance with safety and insulation standards. Finder 40.61.9.024.4000

Shielded Category 6 Self-Locking RJ-45 Connector is designed for quick and repeated installation of both solid and stranded network cables. Its compliance with ISO/IEC 11801, DIN EN 50173, and IEEE 802.3an standards ensures high transmission performance. The adjustable strain relief sleeve and environmental resistance make it suitable for use in professional LAN installations, including industrial facilities, server rooms, and office environments. It is an ideal solution for upgrading and servicing network infrastructure.