UNTESTED
Could you look up the function void CharOnLED(int ch, int led)
and change the line for (int i = 0 ; i <= 7; i += 1)
into for (int i = 7 ; i <= 0; i -= 1)
and see what happens ?
LED Matrix upside down
UNTESTED
Could you look up the function void CharOnLED(int ch, int led)
and change the line for (int i = 0 ; i <= 7; i += 1)
into for (int i = 7 ; i <= 0; i -= 1)
and see what happens ?
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doesn’t work. after the initialisation (the dots…) the matrix stays at the dots and does not change to any character. it stands still
when using this code
for (int i = 0 ; i <= 7; i += 1)
{
lc.setColumn(led, i, alphabetBitmap[ch][i]);
}
}
the lcd display rotates like that :
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was tinkering with a tool for led matrix character building LED Matrix Studio
it’s not that easy as i thought. guess won’t come around altering the alphabetBitmap.
so for me it is easier by now to flip the pinheaders ^^
here’s a pic with altered alphabetBitmap of char 2 and 3…
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Bummer
I would test before soldering everything
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Hm… maybe my lcd is correct and yours is the wrong way round
nevertheless i bet it’s an issue that will come up again some day.
i will go downstairs and do some quick soldering now
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I have a stash of 10 of these displays
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ok - you won
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But you are right, would be nice to do some flip/mirror in the future
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@koffienl said:
would be nice to do some flip/mirror in the future
yes indeed. and maybe a function to add more then 2 matrix devices and a scrolling function and a function to display any text or message received from the pimatic server (over api).
this would be hilarious - and maybe considering the lcd example i postet previously.
maybe you need to use another ledmatrix library?
would be a great thing having some status message on this led and / or lcd display. for example display outdoor sensor temperatures or other meassurements and switch status etc …
I like this idea so much!! hoping some day to be into the matter to participate more. but actually i am not aware of great coding skills still at the beginnings and learning
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I am also experimenting with LED matrix displays as I am planning to implement a matrix device driver as part pimatic-johnny-five to drive up to 8 displays in a row with including floating text or generally bitmaps. I ordered three displays, but unfortunately all of them are broken. So I need to wait to get the next batch delivered.
"It always takes longer than you expect, even when you take into account Hofstadter's Law.", Hofstadter's Law