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I should add that I've tried both .tty and .cu as the port in my Automator script. I'm very new to Arduino and Automator by the way!
Hi Rajat,I'm trying to get your tutorial to work but for some reason when I run my script and then run my Arduino code, it doesn't pass the correct value to val. I don't know where it gets -1, but that's what it prints in the serial monitor. Any ideas? Thank you so much!
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