The module with a digital stereo audio amplifier is equipped with Bluetooth communication. The system allows you to connect two speakers with an impedance of 6 Ω or 8 Ω with a power of 6 W per channel

The DisplayPort to HDMI video adapter supports 4K resolution at 60Hz, delivering crystal-clear visuals and smooth viewing experiences. With its sleek aluminum housing and minimalist design, it is durable and perfectly suited for both work environments and home entertainment setups. AD-HD-DP-02

The module with a smoke sensor and flammable gases (MQ-2) allows the measurement of gas concentrations such as natural gas, hydrogen as well as smoke and ethanol. The module has an analogue output and an output triggered by exceeding the threshold of sensitivity. modMQ-2

LCD TFT 1.3" display with a resolution of 240x240 pixels. Equipped with an SPI interface and two user buttons. Adafruit 4484

Module with 16-channel PCF8575 IO expander controlled by the I2C interface. Equipped with a STEMMA QT connector. Adafruit 5611

STM32G081CBT6, 32-bit STM32G0 family microcontroller, Arm Cortex-M0+ core, 64 MHz, 128 KB of Flash memory, 36 KB of RAM, LQFP48

ARM Cortex-M0+ MCU, Low power, 64kB Flash, 8kB RAM, USB, 2xUSART, 2xI2C, 2xSPI, ADC, STM, LQFP64, RoHS

Bluetooth 4.2 audio receiver. It allows you to play files via Bluetooth and supports WAV, WMA APE, MP3 and FLAC formats. MH-M18

1x6 character BIG!! with LED backlight, FSTN positive, enhanced temperature range, 1-LED 20mA, cyryllic, RoHS

3-port HUB with USB 2.0 interface and RJ45 connector designed for use in industry. Enclosed in a metal case. Waveshare USB-HUB-3U-ETH-EU

Temperature and humidity sensor DHT21 / AM2301 in housing, -40 to 80 ° C, 0 -100% RH, RoHS

The MQ-8 sensor allows the measurement of hydrogen concentration in the air. The measuring range of the sensor is in the range of 100 - 10,000 ppm.

Finger Vein Scanner Module (B) is a thin, energy-efficient biometric module with finger vein detection based on a Cortex-M4F microcontroller, designed for precise user identification in security applications. NIR technology enables effective recognition regardless of the skin surface condition, making the module a reliable alternative to traditional fingerprint readers. Thanks to its compact dimensions and a rich set of accessories, it facilitates integration with smart locks, door handles, access control systems, and compact IoT terminals.

The Lanberg USB-C 3.1 Gen 1 cable, 0.5 meters in length, enables fast data transfer and charging for USB-C devices. With a durable construction and high-quality materials, it ensures a stable and reliable connection for everyday use. CA-CMCM-31CU-0005-BK

Module with a temperature and humidity sensor based on the HTU31 system. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 4832

TVOC Sensor is a high-performance and precise sensor for detecting volatile organic compounds, formaldehyde, and CO₂. The integrated UART interface allows easy communication with microcontrollers, making it an ideal solution for air monitoring projects in homes, industry, vehicles, and consumer electronics.

Module with a digital barometer DPS310. It enables pressure measurement in the range from 300 to 1200 hPa and communicates via I2C or SPI. Adafruit 4494