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Scott Penrose  
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 More options Sep 12 2010, 10:03 pm
From: Scott Penrose <sco...@dd.com.au>
Date: Mon, 13 Sep 2010 12:03:38 +1000
Local: Sun, Sep 12 2010 10:03 pm
Subject: Re: Finally some time
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Good morning

On 11/09/2010, at 4:46 AM, Andrew Stone wrote:

> Great!  So do you have it hooked up to an ethernet shield?

Yes

> WRT the ethernet, does it require the SPI pins (10-13).  For the V4 board, I am freeing those pins from the sink drivers and using them for USB.

Good plan. SPI should be kept free for things like that.

>   Of course, with SPI you can have devices on lines so it should still work with SPI headers.

However WRT chip has a bug which never releases. But some people have fixed it, e.g. Jon Oxer - http://www.freetronics.com/products/ethernet-shield-with-poe. Some setups also use pin 2 for interrupt, which you use for IR sensor.

0,1 - Serial
2 - IR Sensor or Ethernet shield. If you use a Wifi shield it does use pin 2
3 ?
4,5,6,7 = Sink
8,9,10,11 = Source

So... what is best? Not totally sure, but maybe
        0,1 Serial
        2 - Spare or Shield
        3 - IR sensor (does it have interrupts)
        4,5,6,7 = Sink (can you use one as PWM)
        8 ?
        9 = USB select?
        10 = standard used for ethernet shield select
        11-13 = SPI
        Which still leaves the source driver, although I know it works 14,15,16,17

Always hard. I do like that you just did those little solder pads that took me no more than 15 minutes to organise move and test. While things like my ethernet and wifi shields are not configurable without extreme cutting.

So in what form are you adding USB? Normally USB on Arduino is just converted from the serial port (pin 0,1).

> BTW, In case you missed posting, I did upload a little example video that shows how to move the pins:
> http://www.youtube.com/watch?v=mJDMpKIAEuk

Yes got that, the day after I did it... thehe :-)
It will be boring but I will post a photo.

BTW. If you google Lightuino - the majority of the links lead to the Google code site, which has lots of info on V2 hardware, and none on v3. I think you should create a v3 page there and link it to your private site.

Scooter


 
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