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Topic: Free and simple com1/rs232 monitor ? (Read 4 times) previous topic - next topic


will try everything i can, but hard to find some com1 port on computer these days.
Anyway, can you point me to some test equipement ti test signal levels ?
obviously not too expensive, thanx !


How about a digital voltmeter as a start?
What is the cable you are connecting with?
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The port on the motherboard is IDC, then i use a idc to db9 cable to plug the tablet, the tablet has a db9 cable directly attached to it.

i ve used the two type of idc to db9 cable pinouts, on is in a row order, the other one in zig zag.

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