Neopixel

Recurrent H/W and software problems
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Oli
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Neopixel

Post by Oli »

Hello, I buy neopixels from Aliexpress.
https://www.aliexpress.com/item/4000544584524.html
8x32 256Leds Pixel Panel Matrix 2pcs

These are serpentine reverse, they start with pixel 1 top, not on the ground. Result is mirrored.

I need something like NeoScroll.Setup 8, 2 , 3 for this case, "serpentine reverse",
Maybe neosCroll.Setup 8, 2, 2 for "normal reverse",

Picture show: NeoScroll.next "H,ello World!"
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Re: Neopixel

Post by cicciocb »

OK, I'll try to add this layout
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Re: Neopixel

Post by cicciocb »

Hey oli,
the link on aliexpress is not working.

What is the command neoScroll.Setup ..... that you are using that gives the mirrored image ?
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Re: Neopixel

Post by Oli »

hi,

serch:
WS2812B RGB Flexible 8x32 256Leds Pixel Panel Matrix

https://github.com/adafruit/Adafruit_NeoPixel

https://de.aliexpress.com/item/1005002101451007.html
https://de.aliexpress.com/item/1005004257237241.html
i pay 12€ for 2 pcs,

they start with pixel 1 top, the pixel 8 is downside.

I really need that
lg Oli
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Re: Neopixel

Post by cicciocb »

Hi, thanks for your fast reply (after around 2 months :lol: ).

I'm a little bit confused ..... do you have 8x32 modules or 8x8 as shown in the picture you attached?
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Re: Neopixel

Post by Oli »

8x32 modules

and 2 cascaded, 8x64
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Re: Neopixel

Post by Oli »

Are there any success?
To these 8x32 cascadable modules?

https://de.aliexpress.com/item/1005005764097464.html
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Re: Neopixel

Post by Oli »

I really want to use the modules :mrgreen:

But everything is mirrored horizontally.
The underside exchanged with the above,
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Font Fonts 8x3 5x3 TFT.LOADFONT

Post by Oli »

i used now the mirror option,

unfortunately it mirrors horizontally and vertically,
horizontal is good, vertical at the same time, I have to reinstall the hardware 180 degrees, but it works in a pinch,
but the writing starts from the last letter, backwards.


the command:

Code: [Local Link Removed for Guests]

TFT.LOADFONT"/Font8pixel-hoch.bin",10
wlog ramfree
neoscroll.setup 8, 1, 4, 1, 64, 8, 1
neoscroll.fill 0
neoscroll.show 0, 0
NEOSCROLL.TEXT.FONT 10
neoscroll.print "1,2.34567890:=.,", "W"
neoscroll.show 0,0
wlog "ende"
 end
 
after a long search i have not found a font with 8 pixel height,
so I just drew one myself, including some patterns with battery symbols,
I used
[Local Link Removed for Guests]

bigger Fonts:
http://oleddisplay.squix.ch/#/home

.
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Re: Neopixel

Post by cicciocb »

I'll try to implement the mirroring of the image ...

So, if I understand well, the image must be mirrored in horizontal and in vertical?
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