Step-Down converter with an output voltage of 5 V, input voltage from 4.5 to 40 V and a maximum current of 2 A. The board is equipped with a segment LED display and a USB output

An efficient step-down converter that reduces the input voltage to 5 V at a maximum current of 100 mA, offering high efficiency due to low quiescent current (<20 μA). It supports input voltage from 5 V to 65 V, has a Power Good (PGOOD) function, an EN input for system shutdown, and short circuit and overheat protection, making it a reliable and energy-efficient solution. Pololu 5373

DisplayPort 1.1 male to VGA female adapter on 20 cm cable, video transmission up to 1920 × 1080 px, gold-plated contacts, unidirectional video conversion

The Lanberg USB-C to USB-A 2.0 Premium cable in blue, with a length of 0.5 m, supports charging up to 5A, ensuring efficient power delivery to devices. Its durable construction and high-quality materials guarantee reliable data transfer and stable charging. CA-USBO-21CU-0005-BL

Finder 095.08 is an 8-way jumper link designed for connecting terminals in Finder relay sockets. The component allows creating a common electrical connection for multiple relays in automation systems and control circuits. Finder 095.08

A quality Akyga USB connector marked AK-AD-06 is used to connect two USB cables. Designed with USB A plugs, it is characterized by precision-made tips that ensure perfect signal transmission even over longer distances. The adapter supports the USB 2.0 standard. Akyga AK-AD-06

An efficient step-down converter that reduces the input voltage to 12 V at a maximum current of 100 mA, offering high efficiency thanks to low quiescent current (<50 μA). It supports input voltages from 12 V to 65 V, has short circuit and overheating protection, making it a reliable and energy-efficient solution. Pololu 5367

USB 2.0 cable with USB Type-A (m) and USB Type-C (m) connectors, intended for charging devices with power up to 18W and for data transmission, 1 m length, blue silicone insulation. Akyga AK-USB-63

Reflectance sensor module with a single QTRX sensor and RC output, designed for detecting differences in surface reflectivity. Supply voltage 2.9–5.5V, low current consumption, version with side-entry JST-SH connector. Pololu 4340

Black mechanical keyboard switches. They can be used for a wide range of projects, including when building a proprietary, non-standard mechanical keyboard. They make a audible sound every time you press a key

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

Miniature electromagnetic DPDT relay for PCB or socket mounting, 48 V DC coil, 8 A at 250 V AC contact rating. Finder 40.52.9.048.0000

Module with light sensor - LS06-S phototransistor. The board is equipped with a Grove connector and has an analog output. Seeed Studio 101020132

An IPS LCD display with a 3.5" touchscreen panel. It is equipped with an HDMI interface for video display and USB Type C ports for touchscreen operation. It offers a resolution of 480x800 pixels. Waveshare 3.5inch 480x800 LCD

A set for building a weather station equipped with a rainfall sensor and a wind speed and direction meter. SparkFun SEN-15901

USB 2.0 flash drive with a capacity of 16GB, offering read speeds of up to 20MB/s and write speeds of at least 5MB/s, in a yellow housing with a protective cap. GoodRam UME2-0160Y0R11

BLE Beacon, which emits Bluetooth Low Energy signals, enabling discovery by Bluetooth devices such as smartphones or ESP32 without the need for pairing. With a built-in I2C interface and an 11-bit ADC, it allows data collection from various sensors, and its low power consumption (650nA in sleep mode) ensures long-lasting operation on a single battery, ideal for applications requiring mobility and long range. DFRobot TEL0168

The Akyga AK-ND-D08 plug is designed for AC power adapters up to 65 W, enabling conversion from a USB-C output to a 5.5 × 1.7 mm connector used in Dell laptops. Akyga AK-ND-D08

Miniature PCB relay 1P 10 A with 6 V DC coil, Sugar Cube housing, sealed RT III version. Finder 36.11.9.006.4011

A compact FIR temperature sensor enabling high-precision, non-contact measurement of objects. The medical version offers an accuracy of ±0.2°C over a range of 35 to 42°C, and in extended mode, it measures temperatures from -20°C to 100°C. The sensor communicates via I2C and is mounted on a STEMMA QT board with an integrated voltage regulator for easy integration with 3V and 5V microcontrollers. Adafruit 6403