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DMX design on led board

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mosfet123

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Hi;

i need DMX design on led board. İ have DMX controller and i want to assign adress all led modules. Do you have sample desing. How can i do it ?
 

BradtheRad

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Perhaps you want a 1-of-16 decoder? You feed it a 4 bit binary number, and it activates 1 of 16 output pins.
For example these IC numbers turn up via search: 4515, 7415, 74154, 74hc154.

To address more than 16 items, consider adding a second identical IC (with added effort building a suitable logic network).

Or consider making a 2-dimensional grid network. You might get away with using two 1-of-8 decoder IC's (Example, 74LS138). With 6 data bits total (3 per IC) you can address as many as 64 items.

Or even a 3-dimensional cube network. At that point things start getting complicated of course.
 

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