Matrix LED technology is an advanced lighting system that uses individually controlled LEDs to provide display illumination. This is a very very old LED scanning technology at Matrix LEDs. This is my college degree graduation :D design project using 24 bit I/O ISA CARD 8255 IC, parallel port is 8 to 12 Outputs.
2. data inputting with column by column was done using rata years back in vb6, we enter the design contest at different school.
3. the very first Programmable Matrix LED, its a years back technology already, very old.
Heres the complete schematic:
I cant sleep, Im throwing or sharing this old new thing to masses.
Anyway, i went to Japan using BINGO display, no problem. :)
ENJOY
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