A set of 400 SMD 0805 resistors including 20 of the most commonly used values is a universal addition to the electronics or robotics workshop. It facilitates project implementation, servicing, and prototyping in surface-mount technology.

ST485BDR is a low-current RS-485/RS-422 transceiver with one transmitter and one receiver, enabling bidirectional half-duplex communication. It is characterized by low current consumption (300 µA) and protection against overload and overheating, which makes it ideal for various industrial applications.

LCD 2x8, 58x30mm, LED backlight, "fast" 1-LED 20mA, cyryllic

Pololu 5424 enables precise switching of loads up to 10 A at voltages up to 30 V, providing galvanic isolation as well as silent and maintenance-free operation thanks to the use of a solid-state relay. Ideal for controlling devices in RC systems, automation, and projects requiring durability and reliability.

Quartz resonator, housing HC49S (low), RoHS

16 Mbit, low voltage, Page-Erasable Serial Flash memory with byte alterability and a 50 MHz SPI bus interface, STM, SO8, RoHS

BMP390 is a compact, energy-efficient barometric pressure sensor with high accuracy, designed for precise altitude measurement and mobile applications. Thanks to its I2C/SPI interfaces and SMD mounting, it is widely used in embedded projects and wearable devices.

The Pololu 5422 module enables precise and safe control of loads in RC systems while maintaining galvanic isolation. The solid-state relay with SPST configuration provides silent switching of currents up to 6 A and voltages up to 60 V. It is dedicated to switching motors, valves, and other components in RC and automation projects.

LM4950TS, audio amplifier, 3.1 W; 9.6 to 16 VDC; 2 channels; Class AB, TO-263

The Gravity Occupancy Sensor uses 24 GHz FMCW radar technology, enabling precise presence detection at a distance of up to 8 meters and movement and distance measurement up to 12 meters. Thanks to its high resistance to environmental interference, it works reliably regardless of light, temperature or dust, effectively detecting both static and dynamic objects. Compatibility with Arduino, ESP32, Raspberry Pi and a simple Gravity interface make it an ideal solution for intelligent lighting, building automation and security systems. DFRobot SEN0610

Pololu 5425 offers silent, reliable operation when switching currents up to 10 A and voltages up to 30 V, providing galvanic isolation and full configurability of RC control parameters. The version without soldered connectors allows easy adaptation to individual mounting needs in RC and automation projects.

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

Installation connector, 5-wire, 450 V, 32 A, with levers. Wago 221-415

The SMA male crimp connector for cable is a standard connector used in a wide range of radiocommunication and electronic devices. It is made of anodized brass. It has an impedance of 50 Ω, which is a standard parameter for many radio communication systems

LCD-CC-1602C-YIY-Y/G-E6 C offers large, clear 9.66 mm characters and LED backlighting, ensuring good visibility in various conditions. Compatibility with the HD44780 controller allows easy use in microcontroller-based projects.

The SMA female crimp connector for cable is a standard connector used in a wide range of radiocommunication and electronic devices. It is made of anodized brass. It has an impedance of 50 Ω, which is a standard parameter for many radio communication systems