Author Topic: What's in your [enclosure] today?  (Read 1404 times)

Offline Steve Gase

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What's in your [enclosure] today?
« on: November 06, 2013, 11:46:56 PM »
Enclosure contents...

I've seen a few pictures/descriptions of the FPP enclosures people are putting together.  I'm still prepping mine, but I thought I'd share my plan in case it spurs similar thoughts:

1) FPP
2) FPD (for pixelnet and DMX)
3) powered USB hub to allow keyboard/mouse connection if I need to debug
4) USB wireless NIC for remote access
5) 5v 4A power supply
6) DLA combiner kit to break out the DMX from one of the RJ45 jacks on the FPD
7) DLA TX/RX to transmit DMX to the Expresses and other DMX devices in the yard
8 ) EDM FM transmitter for radio broadcast
9) UPS (battery backup) to protect against flash/SD corruption ( I found a small one that takes little space and should be sufficient for an hour or more for the limited power needs...)
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Offline David Pitts

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Re: What's in your [enclosure] today?
« Reply #1 on: November 06, 2013, 11:53:18 PM »
Do you have a link to that UPS.
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Offline Steve Gase

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Re: What's in your [enclosure] today?
« Reply #2 on: November 06, 2013, 11:57:12 PM »
I purchased it from Fry's, but I found it on newegg as well.

http://www.newegg.com/Product/Product.aspx?Item=N82E16842107013

Offline MyKroFt

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Re: What's in your [enclosure] today?
« Reply #3 on: November 07, 2013, 01:11:10 AM »
This might be a option

http://www.adafruit.com/products/1566

Tony

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Offline taybrynn

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Re: What's in your [enclosure] today?
« Reply #4 on: November 07, 2013, 07:05:44 AM »
Warning --  fm transmitters don't normally like being near other electronics.

Offline neilric99

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Offline sirloinofbeef001

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Re: What's in your [enclosure] today?
« Reply #6 on: November 07, 2013, 04:19:29 PM »
On steve's list #9. Why the backup against flash / SD corruption. From what?
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Offline Steve Gase

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Re: What's in your [enclosure] today?
« Reply #7 on: November 07, 2013, 04:33:25 PM »
I like the USB battery units... I had several from when I used to travel more.

Regarding the flash/SD "corruption issue.  If you don't properly shutdown your Pi, then you run a high risk of corrupting the SD card and/or the Flash key.  It is because the file system stores data in memory buffers and flushes it to the disk  when it can.  If power is removed, the file system changes are incomplete.

The battery backup allows the Pi to continue running even when power to the enclosure is removed.  If you can restore power before the battery is out of juice, you can avoid the corruption. 

Again, you should do a shutdown of the Pi when moving it.  but sometimes a breaker goes off, a cord is pulled, or an accident will happen -- the battery can avoid the calamity/inconvenience.

Offline MyKroFt

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Re: What's in your [enclosure] today?
« Reply #8 on: November 07, 2013, 05:07:22 PM »
99% of the time, corruption only happens if it looses power when writing to the card.  I have had the SD corrupt once on me and never the usb flash so far

Tony

Offline sirloinofbeef001

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Re: What's in your [enclosure] today?
« Reply #9 on: November 07, 2013, 06:30:58 PM »
Is it wise to keep a back up SD with the proper flash?

Offline MyKroFt

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Re: What's in your [enclosure] today?
« Reply #10 on: November 07, 2013, 07:28:09 PM »
You can but with the noobs recovery, all you have to do is hook up a keyboard and hold down the shift key during reboot - and it will reinstall the image from the recovery partition.

Only thing you will loose is your network config if you customized it, web UI page will be released shorty to do network config.

Tony

Offline sirloinofbeef001

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Re: What's in your [enclosure] today?
« Reply #11 on: November 08, 2013, 05:19:57 AM »
Last night when after I posted the question I remembered Dave telling me that. Thanks

 

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