5 May
2012
5 May
'12
11:46 a.m.
On 5 May 2012 at 10:26, Eric Smith wrote:
There are far worse abuses of USB connectors than
that. I've got a
pulse oximeter with a mini USB B connector, but it isn't a USB device.
It has 3.3V CMOS async serial (not RS-232) on the connector, and may
be damaged if it is plugged directly into USB. The cable they
provided, USB A male to USB mini B male, has a USB to serial chip
molded in.
History beginning to repeat itself? 25 pin D-sub connectors were the
most common type, could be obtained from a large number of sources,
had a standard description, and, due to volume, were inexpensive when
compared to other proprietary connectors.
So, you use them for everything.
As far as a computer with nothing but USB for connectivity, the
Cotton Candy from Fxitech comes pretty close--one USB male on one
end, a female USB on the other end and an HDMI connector in the
middle:
http://www.fxitech.com/products/
--Chuck