BMS protection module designed for 13 Li-Ion cells. It has a charging function with balancer option and an over-discharge protection function. Dedicated to an electric bicycle or scooter

An H-bridge capable of controlling one DC motor in both directions or two unidirectional motors at voltages from 4.5 to 44 V and continuous currents up to 1.3 A. The module offers three operating modes (PH/EN, IN/IN, half-bridge), built-in current limiting and measurement, and protection against overheating, overload, undervoltage, and reverse polarity. Its compact design, flexible logic power supply (1.8–5.5 V), and simple control make it ideal for robotics, automation, and hobby projects. Pololu 4971

Lanberg Cat. 6A patch cord with Fluke Passed certification guarantees the highest quality and reliability, enabling optimal network connection compatible with various network devices in any environment. Lanberg PCF6A-10CU-0300-Y

A 20x15 mm knob with an internal diameter of 6 mm. For mounting on a potentiometer or rotary encoder

Green 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

A 20x15 mm knob with an internal diameter of 6 mm. For mounting on a potentiometer or rotary encoder

Volatile gas sensor module, including LPG, natural gas, natural gas

The EEPROM memory module with the built-in AT24C32D chip allows storing data without loss after switching off the power supply. MOD 50

Pmod MicroSD is a module with a microSD memory card reader. With the help of the module it is possible to read and write data on the microSD memory card without limiting the file system or the maximum card size. The SPI interface is used for communication. Digilent 410-380

RTC clock module with PCF8563 chip and battery

E-Ink display module with a resolution of 400x300 pixels and a diagonal of 4.2 inches. The display has a built-in controller, communication takes place via the SPI interface. Waveshare 4.2inch e-Paper Module

This set of 25 SC/APC simplex singlemode fiber optic adapters is a reliable component for fiber optic installations where optical stability and mechanical durability are crucial. Featuring a precise ceramic sleeve and a standard SC connector with APC (Angled Physical Contact) polish, these adapters ensure low insertion loss and high compatibility with a wide range of fiber optic equipment and accessories. Ideal for use in patch panels, subscriber outlets, and service configurations, this solution provides consistent performance in both professional and demanding network environments.

Module with EEPROM memory, capacity 512 kbit (64kB). Communication takes place via the I2C interface. The module has 3 jumpers that enable selection of one of 8 addresses. SparkFun SPX-14764

ModCC2540-A1 allows the use of Bluetooth transmission features BLE 4.0 - thanks to the built-in CC2540 chip, it is possible to create complex projects without the use of an additional microcontroller. modCC2540-A1

MS-DIP/SO2 PCB, SO8-SO28L to DIP8-DIP28 adapter

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

1.5inch OLED display Module is an OLED display with I2C / SPI interface with 128x128 resolution, powered by 3.3-5V. Waveshare 1.5inch OLED Module

STM32L4S9VIT6, Ultra-low-power with FPU ARM Cortex-M4 MCU 120 MHz with 2048 kbytes Flash, USB OTG, DFSDM, LCD-TFT, MIPI DSI, AES-256, HASH, LQFP-100

A magnetic latching relay that features low power consumption and quiet operation. It allows switching of signals up to 36 V and 10 A. It remains in the last position it was in before power was lost. DFRobot DFR0996

Kynar type cable with a diameter of 0.25 mm (30 AWG) and a length of 180 m. Used for connections in electronic devices, e.g. on PCB