>
> Has anyone had success with this usb equivalent RS232 translator?
> http://www.acroname.com/robotics/parts/S22-USB-SERIAL-INT-CONN.html
>
> I'm fortunate enough to have serial on my laptop but highly doubt my
> next laptop will.
>
There is no reason it won't work. That FTDI chip is used in a lot of
USB->Serial adapter cables. Depending on which IDE you are using, you
may need to go to Device Manager and change the COM port. It must be
COM1..COM4 for V5 while V6 allows higher numbers. Don't forget to
TELL the IDE which port to use rather than allowing it to guess. That
hasn't worked out very well for other users.
Don't worry about having the S board vs the R board. Over time you
will find that you are much better off. You don't have LEDs and
switches camped out on the A/D lines and you don't have some IOLines
dedicated to peripherals you don't have. You also have the ability to
use a 2d EEPROM for data storage with no possibility of writing over
the program.
The RS232 port on the R board doesn't provide REAL RS232 voltage
levels and there are applications where it just doesn't work. It is
also difficult to gut the level shifters if you want to work with a
device that accepts TTL levels.
The only downside to the S board is the TINY voltage regulator. Don't
try to provide +5V to external devices from the R board. Use a
separate supply.
Yes, I have an S board (or two) and no, I do not have an R board.
Frankly, if I wanted a full featured OOPic board, I would buy the
MiniSumo Mark III OOPic controller for
http://www.junun.org/MarkIII/Info.jsp?item=28
I have a couple of
those. The plug-in prototype board is one of my favorites
http://www.junun.org/MarkIII/Info.jsp?item=4.
Richard
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