Ya, Hi. So my PHP Serial communication code isn't working UNLESS the Arduino IDE's Serial Monitor is opened. Same goes for the terminal commands for serial. I looked into it for a few days, the closest thing people had for an answer is that since the monitor is closed, the Arduino resets every tim…

PHP Serial Communication NOT working

cmiyc March 31, 2014, 2:21pm 11

Check line 17 of your code.

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