after the first 1000 or so chips, the max load of a max7219 logic i/p pin is 1uA. cable capacitance is the limit [meters of it at least ]LOAD (/CS) and CLOCK are connected in parallel for all chips and this may be a problem
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Re: HW-179 8-Digit 7-Segment LED Display (MAX7219 Driver)
after the first 1000 or so chips, the max load of a max7219 logic i/p pin is 1uA. cable capacitance is the limit [meters of it at least ]LOAD (/CS) and CLOCK are connected in parallel for all chips and this may be a problem
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