to address issue #85, readme should clarify power rails can be 3.3V-5.5V, but if want to use input, then only 3.3V

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Linsn RV901T HUB75 LED "Receiver Card" Reverse Engineering

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to address issue #85, readme should clarify power rails can be 3.3V-5.5V, but if want to use input, then only 3.3V #104

Closed ericfont closed 1 year ago

ericfont commented 1 year ago

as discussed in #85, this fixes two things: -per section 5 of the datasheet clearly states the board can be powered from between 3.3V to 5.5V, then I have relabled the J500 positive input to be "+3.3V to 5.5V" in the annotated pic. -and since the I/O buffers can only be used as inputs if the buffers are powered with 3.3V, I have added appropriate text to the hardware.md file.