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Issue related to serial port data

deepu Lovelesh
Last Modified: 2020-05-16
I have an serial communication interface application in vb.net. It was working fine earlier but now I am getting "?" Instead of data. Not able to understand why it is happening like that. Kindly help.
Thanks in advance
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Dr. KlahnPrincipal Software Engineer

Gibberish on a serial line usually means one of two things:

a) The speed at one end is set incorrectly (4800 vs 115200, for example)

b) The framing at one end is set incorrectly (7 bit mark vs 8 bit space, for example)
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