[oopic] Re: Serial Program Cable for ooPIC-S

Thanks for the encouragement on my first purchase Richard.

One more question if you don't mind. when you say not to use the +5v to
drive
external devices to avoid blowing the regulator, do you think its
safe to use it just to drive the input coil of relays? I purchased
this relay board:
http://www.superdroidrobots.com/shop/item.asp?itemid=547&catid=44
<http://www.superdroidrobots.com/shop/item.asp?itemid=547&catid=44>
http://www.elexol.com/Downloads/IO%20Relay%20Output%20Board20DS11.pdf
<http://www.elexol.com/Downloads/IO%20Relay%20Output%20Board20DS11.pdf>

Thanks Again
--- In oopic@yahoogroups.com, "rtstofer" <rstofer@...> wrote:
>
> --- In oopic@yahoogroups.com, "bb261998" bb261998@ wrote:
> >
> > 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
>

[Non-text portions of this message have been removed]

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