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qUADRAvOX 305 QUESTION — Parallax Forums

qUADRAvOX 305 QUESTION

ArchiverArchiver Posts: 46,084
edited 2002-08-29 15:58 in General Discussion
I have the older QV305 evaluation board with a 33120 chip (120 seconds). The
board works like a charm from the real RS232 port but I can not get it to talk
to the Stamp 2P40. I have tried all the baudmode combinations I can think of to
no avail. The only difference between the 232 and TTL interface is a simple
jumper that removes the drive from the MAX232CPE chip.

Tha manual "hints" that a pull up or pull down may be needed for this. I have
tried both, no luck.

ANy ideas out there??

Mike B.




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