[sudo-discuss] open thread for update on our door access mechanisms

Andrew andrew at roshambomedia.com
Thu Jul 4 09:38:20 PDT 2013


Hey Jake,

I had no idea you could do that. Will definitely try it. What was the
advice that we didn't take? There are quite a few people working on the
door right now and we don't all communicate as much as we should.

--Andrew


On Thu, Jul 4, 2013 at 5:00 AM, Jake <jake at spaz.org> wrote:

> a really neat thing about linux these days - i don't know if this will
> work on the pi but when i want to script something involving a USB webcam
> or a USB serial port, instead of referring to it by /dev/ttyACM0 or
> whatever, i look for
> /dev/serial/by-id/usb-Keyspan_**_a_division_of_InnoSys_Inc._**
> Keyspan_USA-19H-if00-port0
>
> you can put that into your thing instead of /dev/ttyUSB0 or whatever, and
> it will always work - no matter what order the serial ports come up in.
>
> i mean not that you took my advice last time...
>
> -jake
>
>
> max klein wrote:
> keypad update: with new self-healing improvements has just set record
> uptime at 30 hours. i am monitoring this. the problem is that rpi sometimes
> chokes and the arduino comes up as a different usb device. so i constantly
> scan and to find the right usb device. an issue is that the rfid needs to
> be usb0 so it has to grab that first, and normally does in every instance
> ive seen it (unless the pyshical usb order gets switched).
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>



-- 
-------
Andrew Lowe
Cell: 831-332-2507
http://roshambomedia.com
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