Ocean-server Compass

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victorf
Posts: 342
Joined: 01 January 2006, 4:08 AM
Location: Schenectady, New York

Ocean-server Compass

Post by victorf »

I am incorporating this device in my latest project. I plan to supply 3.3volts to pin 3 of it's connector.

Since the device transmits via RS-232 link I plan to incorporate a MAX232A to convert the compass's data stream to TTL. Given the operating voltage of the compass is this conversion necessary? I will be connecting the compass to a ZX-24 on Com3. The compass will be located remote from the ZX-24 by about 2 feet.

Any enlightenment will be appreciated.
Vic Fraenckel
KC2GUI
windswaytoo ATSIGN gmail DOT com
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dlh
Posts: 395
Joined: 15 December 2006, 12:12 PM
Location: ~Cincinnati

Post by dlh »

It's difficult to tell without a schematic. The first table on p7 indicates that it uses 3V levels which may be a problem. They recommend an adapter on p24 but that appears to be for use with a PC with RS232 voltage levels.
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