Sending chr(255) to serial port

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Hi

I need to send a chr(255) to a serial port. When I send it, through
comm.write (chr(255)) it sends a chr(63) ... in Hex, I write chr(&FF) and it
actually sends chr(&3F) ... why does this happen, and how can I send it
right ?

I'm using vb.net 2005 express with framework 2.0

Thanks for an answear ...

Mike
 
Not sure this will help as I am pretty new to this topic as well. But what is
the value of the serial port's DataBits property? The docs say the default
should be 8. But you never know...
 

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