Hi, I am working a simple little project that has 2 Arduinos that exchange the status of 6 inputs and 6 outputs via serial. Uno 1 reads the status of 6 pins and writes the status of those pins byte by byte with a start flag and an end flag to be read by Uno 2 to which outputs the status to its own…

I/O control over serial

PsychodelicPenguin August 30, 2021, 11:03am 10

Different to the offical diagram from Arduino.cc

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