rs232

  1. liey87

    Question treat USB as RS232

    I have a hardware with USB for communicate between computer to hardware. The vendor not giving any APIs to connect to the device. They give me a protocol. But the protocol is serve for RS232 mode. I ask the vendor whether this protocol can be apply to the USB, they said 'YES'.. So, I'm...
  2. V

    Question Please Help - Access to COM1 denied

    Hello I don't know where the Problem is but i can't connect to COM1 with VB.Net With Hyperterminal i can connect so the port insn't in use. Can you help me correcting this code? Thank you vbcom PS: Full Code in Attachment Private Sub SendData() On Error GoTo hilfe Dim...
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