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Module with 2 QTRX type optocoupler with analog output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4442

The 4" E Ink Spectra 6 e-paper display with HAT+ board is an advanced solution for color information presentation, characterized by low power consumption, high contrast, and compatibility with multiple platforms. With full SPI support and Raspberry Pi HAT+ standard, it is ideal for projects requiring clear, aesthetic, and energy-efficient content display.

Module with 1 optocoupler type QTRXL with RC (digital) output. It is supplied with the voltage from 2.9 to 5.5 V, detects objects at a distance of up to 80 mm. Pololu 4541

The expansion module for the Pyboard 1.1 set. The board has connectors compatible with the Gravity standard. Equipped with digital and analog pins, UART and I2C port. DFRobot DFR0577

Simple and versatile module that converts I2S audio signals into analog signals, making it ideal for driving speakers with up to 3.2W of power.

2.42-inch OLED display with a resolution of 128x64 pixels with an SSD1309 controller and an SPI interface. It provides high contrast, wide viewing angles, and reliable operation in temperatures from -30°C to 85°C. It operates at a voltage of 2.4 to 3.6 V, and the yellow display color ensures good readability even in low light. modOLED2.42-Y

The brakeless bidirectional speed controller (ESC) is an advanced brushed motor control device that offers up to 40 A continuous current and up to 340 A peak current, ensuring stable operation and dynamic load response. PPM signal control allows precise control of the motor speed and direction, while the radiator and XT60 connector ensure safe use and effective cooling.

Board with ATmega2560 microcontroller (256 kB Flash, 8 kB RAM, 4 kB EEPROM) clocked at 16 MHz. USB-UART converter based on the ATmega16u2 chip. The user has at his disposal, among others: 54 I/O lines, 14 PWM channels, 16 analog inputs.

GOODRAM UME3 16 GB is a reliable and economical flash drive with good transfer parameters, ideal for everyday use.

GOODRAM UME3 64 GB is a reliable flash drive with a USB 3.2 Gen. 1 interface, offering fast data read and write speeds. Its compact housing and universal compatibility make it a practical solution for storing and transporting files in any situation.

Quectel EG25-G mPCIe is a universal LTE Cat 4 module in Mini PCI Express format designed for industrial devices and IoT applications. With support for multiple communication technologies and a built-in GNSS receiver, it ensures reliable connectivity and positioning. Broad support for network protocols and compatibility with popular operating systems enables integration with remote monitoring systems, mobile devices, and industrial terminals. Ideal for use in demanding environments, including automation, remote diagnostics, and telemedicine.

20-wire 30cm IDC F/F cable

2.42-inch OLED display with a resolution of 128x64 pixels with an SSD1309 controller and an SPI interface. It provides high contrast, wide viewing angles, and reliable operation in temperatures from -30°C to 85°C. It operates at a voltage of 2.4 to 3.6 V, and the green display color ensures good readability even in low light. modOLED2.42-G

SanDisk Ultra microSDXC 64 GB is a fast and reliable memory card for mobile devices, cameras and camcorders. It offers high read speed and A1 performance class compliance, making it ideal for storing photos, videos and applications. The included SD adapter increases its versatility across different types of devices.

Digital signal isolator for communication via the Gravity I2C interface. It allows you to isolate the I2C digital signal and provide isolated power to the sensor module. DFRobot DFR0565

Precision tweezer with 110 mm length and sharp, thin tips designed for precise work in electronics

Pin strip straight in black, single-row, female, 1x40, pitch 2.54mm, THT, RoHS. PB40S