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A UART (Universal Asynchronous Receiver Transmitter) is a piece of logic that sends and receives data on a serial port.

5
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5answers
I wanted to sniff communication between two RS232 devices. This link presents a simple solution but I want to make sure that my 'sniffer' does not load the communication link. To that effect, I was w …
asked Aug 25 '10 by itisravi
3
votes
Try connecting your USB serial port to another PC to actually verify that when you send AT, it's only being sent once.My guess is your terminal emulator is sending the same sequence repeatedly.
answered Sep 9 '10 by itisravi