A module with a sensor used to measure the activity of the heart. It allows you to strengthen and extract the heartbeat signals from biomedical electrodes. It has an analogue output and a heartbeat indicator (LED). SparkFun SEN-12650

The 8.8-inch USB monitor from Waveshare in the Silver version is a specialized solution for PC and Raspberry Pi enthusiasts seeking an additional screen for displaying system information, audio spectrum analysis, or dynamic themes. With high resolution, wide viewing angles, and a robust enclosure, the monitor serves as both an aesthetic and functional addition to a computer case or as a standalone desktop display.

Bluetooth 4.1 audio receiver with 3.5mm Jack audio output. It allows you to play files via Bluetooth, from a mass memory (flash drive), from a computer via USB or from a microSD card

Extruded radiator from STONECOLD, TO220, black

Module with the alcohol sensor MQ303A. The board is equipped with a Grove connector and communicates via an analog interface. Seeed Studio 101020044

Module with 5V relay and timer. It allows the implementation of delayed switching on or off of the circuit with adjustable time in the range from 1 s to 100 s and from 1 s to 15 min.

Pololu - 2511

Module with a 12 V relay and a timer. It allows you to turn the device on and off cyclically at a specified time using potentiometers. It can also operate in single trigger mode, which allows the device to be turned on after a signal has been applied for a specified period of time. The operating time can be adjusted from 1 s to 100 s or from 1 s to 15 min

Finder 12.81.8.230.0000 is a digital astronomical timer that enables automatic lighting control based on calculated sunrise and sunset times, depending on the date, time, and geographical coordinates. It features a single-pole double-throw (SPDT) contact with a 16 A load capacity at 250 V AC and is designed for DIN rail mounting, facilitating easy integration into building automation systems.

Audio player with HiFi amplifier in aluminum housing. It allows you to play files from USB memory, SD card, via the audio connector and Bluetooth. It has a built-in FM receiver

Pololu - 2129

This discrete MOSFET H-bridge motor driver enables bidirectional control of one high-power DC brushed motor. The small 1.3″ × 0.8″ board supports a wide 6.5 V to 40 V voltage range and is efficient enough to deliver a continuous 21 A without a heat sink.

The module with the converter USB-UART CP2104 dedicated for minicomputers Raspberry Pi. Adafruit 3589

Finder 7F.20.8.230.3100 is an AC filter fan with a 230 V AC power supply, providing an airflow of 100 m³/h at a noise level of 42 dB(A). Designed for installation in electrical cabinets, it features dimensions of 209 x 209 x 80.2 mm and an IP54 protection rating, ensuring effective ventilation and protection against dust and water.

Module with a color LCD IPS display with a screen diagonal of 1.14" and a resolution of 240x135 px, dedicated to the Raspberry Pi Pico. It communicates via the SPI interface. Pimoroni PIM543

CS-Mount lens. 25 mm focal length, 14° FoV, manual focus. Designed to work with the Raspberry Pi HQ camera. ArduCAM LN041

CS-Mount lens. 16 mm focal length, 24° FoV, manual focus and adjustable aperture. Designed to work with the Raspberry Pi HQ camera. ArduCAM LN050