USR-DR504-G is a compact LTE modem with DIN mounting, RS485 and Modbus conversion functions, designed for reliable data transmission in IoT systems, industrial automation and telemetry devices. Thanks to wide band compatibility and advanced configuration options, it provides flexibility and high connection availability in demanding applications.

Module with a button and red LED backlight. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 111020044

The module with a color LCD display with a diagonal of 1.14". It has a resolution of 240x135 pixels and an ST7789 controller. Communication with the module is realized via the SPI interface. Waveshare 1.14inch LCD Module

Flat USB cable A - micro-B USB with 1m length, cable LightViolet

Extending tile dedicated to ESP Thread Border Router. It allows you to add an Ethernet interface. Sparkfun WRL-25498

AVR, 16kB Flash, 1kB RAM, 512B EEPROM, ADC, UART, SPI, TQFP44, RoHS

Module with MOSFET and a Gravity connector. It allows you to easily connect and control the voltage from 5V to 30V and the current up to 2.5A. DFRobot DFR0643

Miniature USB DAC with the PCM2704 chip enables conversion of a digital audio signal to analog with high quality and low distortion. Powered from the USB port, it works with Windows, MacOS and Android OTG systems, offering analog and SPDIF outputs for HIFI and mobile audio applications.

USR-EG628-ETH is an industrial controller with dual Ethernet, serial ports, edge computing and PLC support, designed for local data processing in automation systems, energy management and smart buildings. It offers programming flexibility, wide protocol compatibility and the ability to integrate with visualization and cloud systems.

4.3" LCD IPS display with touch screen. The display is equipped with HDMI interface for image display and USB for touch screen. Resolution 800x480 pixels. Waveshare 4.3inch HDMI LCD (B)

Module with GP2Y0D805Z0F proximity sensor, which can detect the presence of objects in the range from 0.5 to 5 cm. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 101020578

A module dedicated to projects related to traffic lights and pedestrian crossings. It is fully assembled, which eliminates the need for soldering. Thanks to the shape resembling a real traffic light and three LEDs powered directly from the micro:bit I/O pins, it allows easy programming and expansion of projects with additional traffic lights using radio communication, which allows for the study of traffic management in the city. Kitronik 5642

USR-W610s is an industrial Wi-Fi client with RS232/RS485 ports and dual Ethernet, designed for reliable data transmission in applications requiring low latency and high stability. Ideal for monitoring, warehouse systems, industrial automation and smart city installations.

The Mini LED 5V module is designed to fit into a 20mm diameter interior. It is designed to have power requirements that are within the power limits of a computer\'s USB port (5V and well below 100mA). Kitronik 35137

USR-G786-G is an industrial-grade LTE modem with wide band support and Modbus protocol conversion, designed for remote data transmission in automation, M2M and IoT systems. Thanks to support for multiple transmission modes and panel mounting, it is suitable for projects requiring flexibility and reliability.

Module with 4-digit 7-segment LED display. The board is equipped with a TM1637 driver and communicates via a digital interface

Advanced wireless communication module, based on the Bluetooth 5.4 stack (Bluetooth® Low Energy, BLE), which was designed using the efficient Nordic NRF52805 SOC system. The module offers support for the UART interface, available only in peripheral mode, which allows for effective operation as a data bridge (Data Bridge). Sparkfun WRL-25467

DFRobot DFR1184 module with a 15-bit ADS1115 converter enables precise voltage measurements of 0–10 V from industrial sensors. The dual-channel design, support for I2C/UART, and compatibility with popular platforms make it an effective solution for automation systems, environmental monitoring, and energy management.