Zylserialport Jun 2026

While free components exist, they often lack Linux support or are no longer maintained. ZylSerialPort is actively updated, well-documented, and—most importantly—it works the first time, every time.

a specific code example for RS-485 multi-drop networking. ZylSerialPort

Whether you are talking to a $10 Arduino or a $50,000 PLC, ZylSerialPort gives you the reliable pipe you need. While free components exist, they often lack Linux

Developed by ZylSoft, is a non-visual VCL (Visual Component Library) and LCL (Lazarus Component Library) component that provides a complete interface for asynchronous serial port communication. Unlike many competitors that rely on complex ActiveX controls or expensive third-party libraries, ZylSerialPort is native, fast, and straightforward. Whether you are talking to a $10 Arduino

common "Access Denied" errors when opening COM ports.

function SendCommandAndWait(const Cmd: string; TimeoutMs: Integer): string; var StartTick: Cardinal; Response: string; begin Result := ''; ZylSerialPort1.Purge; // Clear old junk ZylSerialPort1.WriteStr(Cmd);

: The .NET version is written entirely in C# using API calls, while the Delphi version is a native VCL component [0.5.1, 0.5.6 ].