[amsat-bb] Re: Satellite Transceiver

Nigel Gunn G8IFF/W8IFF nigel at ngunn.net
Sun Apr 5 17:39:04 PDT 2009

Bearing in mind that computers don't come with an RS232 interface, TTL levels are actually easier than 232 voltage 
levels to interface.
A USB-serial chip is already TTL and of the correct polarity without adding the +-12V generator and interface.

Sebastian wrote:
and is very easy to
> interface to a computer.

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