The Bluetooth 5.3 transmitter YET-R20 is a versatile solution for wireless music streaming from mobile devices to audio systems, offering broad compatibility through multiple connectors and high-quality, low-latency connection. It performs excellently in home and car setups, as well as in professional sound systems. The built-in antenna and modern Bluetooth technology ensure stable signal transmission up to a 10-meter range.

3.5 mm Stereo Plug – 3.5 mm Stereo Plug cable with a coiled 3-meter cord is a practical solution for audio connections in both home and professional systems. The flexible, spiral design shortens the cable when not in use, helping with cable management and enhancing durability during frequent use. Ideal for connecting headphones, speakers, and other devices equipped with a 3.5 mm stereo jack.

The module with the transmitter and the IR receiver designed for the M5Stack sets. It is equipped with a Grove connector and communicates via a digital interface. M5Stack U002

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

A set of colored markers for wires. Each tag is labeled with a number for easy identification of the cable bundles. 100 pieces

SCART – SCART 21-PIN connection cable with a length of 1.5 m is a reliable solution for integrating older audio-video devices. Full wiring allows transmission of RGB-quality video signal and stereo audio, making the cable suitable for use in home AV systems based on analog technology. Ideal for archival setups and retro system applications.

Module with trackball and RGB backlight. It has a built-in button and is perfect for building your own mouse, for example. Pimoroni PIM447

The MQ-7 sensor allows you to measure the concentration of carbon monoxide (carbon monoxide). The measuring range of the sensor is in the range of 10 - 10,000 ppm

Class A power amplifier with one channel, 10 W. Built on the popular design of J. Hood from 1969. The set includes 2 pieces for self-assembly

Class A power amplifier with one channel (mono) with the power of 10 W. Built on the popular design of J. Hood from 1969

The Lanberg DisplayPort cable, 1.8 meters in length, supports the 1.4 standard, allowing video transmission at up to 8K resolution at 60 Hz. Equipped with 20-pin gold-plated connectors, it ensures high-quality audio and video transmission. Its black color and durable construction make it an ideal choice for professional multimedia applications. CA-DPDP-20CU-0018-BK

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

A module with an electret microphone and MAX9812 amplifier, which will allow you to detect a voice, a clap or a door slam. Has an analog output

The UGO 5.1 sound card provides easy and convenient expansion of your computer\'s audio functions, offering high-quality surround sound and compatibility with various operating systems. UGo UKD-1085

Camera module with OV5647 5MP sensor dedicated to Raspberry Pi. Designed for 3D printing monitoring systems. ArduCAM B0033R

Kinetis L Series Cortex-M0+, 32bit MCU, 32kB Flash, LQFP32, Freescale, RoHS

Compact ESP32 based board designed for lighting and WLED projects, offering WiFi, Bluetooth and efficient power supply via USB Type-C (up to 4A). It offers two LED outputs with logic level conversion, a built-in I2S microphone, STEMMA QT port, button, NeoPixel and additional GPIO pins. With support for multiple platforms (Arduino, MicroPython, CircuitPython, ESP-IDF), it is ideal for wearable devices and interactive projects. Adafruit 6160

Module with 8-digit 7-segment LED display. The board is equipped with a 74HC595 driver and communicates via a digital interface

Adafruit 1890