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MAX7219 vs MAX7221
#5
Ovo je elektricna sema   [Image: index.php5?title=File:Schmatic.jpg]

Ovako izgleda gotov sklop [Image: index.php5?title=File:Assembled.jpg]

Povezano je 8 kom. u "daisu chain" vezi, dupont zenzko zenskim konektorima duzine oko 15 cm,
odnosno svaki pin D OUT ide na D IN sledeceg modula a svi ostali VCC, GND, CS i CLK  su paralelno vezani.

Signali za CS CLK i D IN na prvom modulu su uzeti sa Raspberry PI B+ takodje kablicima od cca 15 cm

Napajanje je povezano takvim istim kablicima na prvi modul u lancu

Radna temperatura je sobna a raspored prilicno difuzan posto uredjaj jos nije u kutiji ,nije gotov.

Ne znam da li razmisljam u dobrom pravcu ali sam pomislio da sutra "navatam" raznih kondenzatora pa da empirijski probam ....  Smile
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Messages In This Thread
MAX7219 vs MAX7221 - by Steva011 - 06-07-2015, 08:25 PM
RE: MAX7219 vs MAX7221 - by Macola - 06-07-2015, 08:35 PM
RE: MAX7219 vs MAX7221 - by Steva011 - 06-07-2015, 09:31 PM
RE: MAX7219 vs MAX7221 - by Macola - 06-07-2015, 10:37 PM
RE: MAX7219 vs MAX7221 - by Steva011 - 06-07-2015, 11:14 PM
RE: MAX7219 vs MAX7221 - by Bocko - 06-07-2015, 11:27 PM
RE: MAX7219 vs MAX7221 - by Macola - 06-08-2015, 05:21 AM
RE: MAX7219 vs MAX7221 - by vojinilic - 06-08-2015, 07:55 AM
RE: MAX7219 vs MAX7221 - by Steva011 - 06-08-2015, 03:02 PM
RE: MAX7219 vs MAX7221 - by mikikg - 06-08-2015, 03:45 PM
RE: MAX7219 vs MAX7221 - by Steva011 - 07-12-2015, 09:24 PM

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