I’ve come to the conslusion that it’s the Arduino. When I tried this on my Mega R3, it would get a little farther and really scramble and shorten the last line. It screws up the last one and then prints blank lines. I don’t want to have to say anything for a third time, so please read both and. It gives about 3.1v DC that the Pi accepts fine. I’m using a simple voltage divider with 220? on the Arduino side and 1K? on the other going to ground. At first I tried USB, but then hardwire serial. I have an Arduino Uno hooked up to my Pi via Serial. I’ve been trying to get this to work for so long it’s ridiculous.
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