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MSCOMM32.OCX can't sent chr(0) to COMM 1

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MongkonB

MongkonB

Programmer
Jan 7, 2004
9
TH
Hi,all. I use MSCOMM32.OCX to TX-RX data between PC and Microcontroller. I can RX every chr(), but I can't TX chr(0).
Please tell me how to TX chr(0)
 
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