Fading Coder

Accessing local network configuration parameters such as the host identifier, IP addresses, and MAC addresses is a fundamental requirement in many desktop applications. The Qt Network module provides a dedicated set of classes—QHostInfo, QNetworkInterface, and QNetworkAddressEntry—to accomplish this...

How to integrate libmodbus with a Qt 5 application on Windows to implement both a Modbus RTU master (client) and a Modbus RTU slave (server). The examples use a simple Widgets-based UI, periodically enumerate serial ports, and demonstrate reading holding registers from multiple slave IDs. Environmen...