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Need help! i am doing 24CX16R dot matrix using PIC16F877A with 74LS595? Answered


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user
lemonie (author)2011-01-25


You omitted to explain what your problem is.

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user
bhas_r (author)lemonie2011-01-27

just now i have started to work with dot matrix.
Some of my friends suggest to use 74LS595 to drive Column so i purchased PCB related to 74595 but i don't know how to drive row and how much current it takes

So suggest a circuit diagram

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user
lemonie (author)bhas_r2011-01-27


Well, it's an 8-bit shift register, so you'd need 48 of 'em to simply drive 24 x 16.
Still sound good?

Did you see this? https://www.instructables.com/id/Led-Cube-8x8x8/

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