Well, not exactly. Each input is 1 micro Amp, so 1000 is 1mA.
But still within driving capabilities of a PIC.
Cable capacitance is different matter and may lead to problems. So a buffer is not big thing to include.
Ioannis
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Re: HW-179 8-Digit 7-Segment LED Display (MAX7219 Driver)
Well, not exactly. Each input is 1 micro Amp, so 1000 is 1mA.
But still within driving capabilities of a PIC.
Cable capacitance is different matter and may lead to problems. So a buffer is not big thing to include.
Ioannis
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