DMD clocks - Colour 2020 version!!

Dave Bishop

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Jul 21, 2011
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OK - so new issue with the clock- nothing on display.
I went into settings and all the brightness was set to 0.


Changed that for every hour - nothing
Turned it off and back on- no start up screen at all.

I have taken it off the wall and back into the house. When I connect to the app and change something the green light flickers then goes off. Nothing on display at all.

Any suggestions @Paul @MadNat

Thanks
 

AlanJ

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Dec 27, 2017
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you have lost the panel settings as well. it’s a known problem where these clocks lose all the settings. happened to me twice.

the panel settings are in a post somewhere in this thread
think it’s
64
32
2
1
2
rgb
11
 
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MadNat

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May 11, 2019
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That is a pain in the backside - when it loses those settings. It happens in a number of scenarios - entering the wrong url (eg history/url recall) and clicking save more than once (it’s not the most responsive ui- so an easy mistake).

My advice is to take a copy of the sd card. Sometimes it’s easier to burn a new sd card than scramble with searching for a up address and re-entering settings
 

Andypuk

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Aug 12, 2013
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That is a pain in the backside - when it loses those settings. It happens in a number of scenarios - entering the wrong url (eg history/url recall) and clicking save more than once (it’s not the most responsive ui- so an easy mistake).

My advice is to take a copy of the sd card. Sometimes it’s easier to burn a new sd card than scramble with searching for a up address and re-entering settings

Do you need to take the frame apart to get to the SD card?

I took a backup of what I could see when I connected to the clock via my laptop and browsed to the drive - would that be all the same data i'd see on the SD card or are there some more hidden files?
 
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Paul

Paul

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Oct 5, 2012
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Do you need to take the frame apart to get to the SD card?

I took a backup of what I could see when I connected to the clock via my laptop and browsed to the drive - would that be all the same data i'd see on the SD card or are there some more hidden files?

Long nosed pliers down through the top of the display - is a MicroSD mounted in one end of the Pi
 
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MadNat

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Do you need to take the frame apart to get to the SD card?

I took a backup of what I could see when I connected to the clock via my laptop and browsed to the drive - would that be all the same data i'd see on the SD card or are there some more hidden files?

This method copies the files, but you won’t be able to create a bootable SD card from it easily. Doing a SD card image copy was also much faster than doing a network transfer for me. Could be a slow WiFi connection, or the many small files - but for some reason a network copy for me took a ridiculous amount of time - I cancelled it as it was taking so long.

Quite a few sd image copy apps out there for various OS’s and devices.