Description: This just a small tool that can simulate DTU as needed, convenient and practical. The tool consists of VB.NET (2008) write, which contains SOCKET communication code, the code serial operation, it should help you
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DTUSimulator
............\DTUSimulator.vbproj
............\DTUSimulator.vbproj.user
............\My Project
............\..........\Application.Designer.vb
............\..........\Application.myapp
............\..........\AssemblyInfo.vb
............\..........\Resources.Designer.vb
............\..........\Resources.resx
............\..........\Settings.Designer.vb
............\..........\Settings.settings
............\..........\app.manifest
............\frmMain.Designer.vb
............\frmMain.resx
............\frmMain.vb
............\publicFunction.vb
DTUSimulator.sln