macsaif

8x24 LED matrix

6 posts in this topic

Is it possible to make a 8x 24 led matrix from 4xDO board? There is an example for 8x16 but the 4th shift register is not used, but I will need it to extend the matrix. 

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Single- or multicolour? You could try with an RGB matrix if it's single (using the other "colours" for extra columns).

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Posted (edited)

Maybe I'm overthinking it. I think it would be easiest to specify two separate matrices (16x8, 8x8). If the matrix is 8 rows tall, then I think it should still work to specify the same shift register for the selection pulses.

 

??

DOUT_MATRIX n=1  rows=8  inverted=0  sr_dout_sel1=1  sr_dout_r1=2  sr_dout_r2=3   led_emu_id_offset=1001
DOUT_MATRIX n=2  rows=8  inverted=0  sr_dout_sel1=1  sr_dout_r1=4                 led_emu_id_offset=1129

 

Edited by latigid on
single colour, proper maths

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Or??

DOUT_MATRIX n=1 rows=8 inverted=0 sr_dout_sel1=1 sr_dout_sel2=2 sr_dout_r1=3 sr_dout_r2=4 led_emu_id_offset=1001

it is 16x16 matrix, but basically should work too.....

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Sure thing, it just depends on how many shift registers you have/want, and how the matrix is arranged.

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