Trouble shooting-Progress

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1 year 2 months ago #9921 by Ty_Eeberfest
Replied by Ty_Eeberfest on topic Trouble shooting.
Did you find a pattern that would point to a stuck bit yet Ian? I've been bashing it about on paper since you posted that and I'm not finding it.

Also, did you notice that clock seems to completely crash after counting back from 5 to 4? Or is somebody out of the frame cycling the power??

Look into it later when the dust is clearing off the crater.

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1 year 2 months ago #9922 by Ian
Replied by Ian on topic Trouble shooting.
I half noticed that it looked like it was resetting, but wasn't sure if that was the case.

No I haven't found a pattern yet. I made an Excel and even swapped some bits, but it's worse than Sudoku.

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1 year 2 months ago #9923 by Ty_Eeberfest
Replied by Ty_Eeberfest on topic Trouble shooting.
Well, here's the angle I've been looking at it from.

We see these numbers displayed:

2 (0000)
2 (0000)
3 (0001)
4 (0100)
5 (0101)
5 (0101)
4 (0100)

The 8-bit (MSB) never changes. Is it stuck? Doesn't matter - that bit is only used for digits 8 and above but the count isn't getting that far.

The 2-bit is the only other bit that never changes. If it was stuck low what would happen?

0 would display as 5
1 would display as 4
2 would display as 2
3 would display as 3
4 would display as 4
5 would display as 5
6 would display as 3
7 would display as 2

That, unfortunately, doesn't match what we see in the video.

Hmmmm.

Look into it later when the dust is clearing off the crater.

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1 year 2 months ago #9925 by Ian
Replied by Ian on topic Trouble shooting.
Dave, could you confirm if the clock restarts?

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1 year 2 months ago #9930 by Ian
Replied by Ian on topic Trouble shooting.
One other point: I increased the upload size to 1MB. The site is running on a server with many GB of storage and the limitation of 150kB was not intended.

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1 year 2 months ago #9933 by SamIam
Replied by SamIam on topic Trouble shooting.
I just verified that the clock cycles through what you see for about 6-7 cycles and then the tubes blank out. The LEDs continue to cycle through. I left it run for a few minutes. If I unplug and plug it back in the tubes start cycling through again for 6-7 cycles and then blank out again.

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