I am interfacing a custom designed Arduino device with a third party serial based software that is outside of my control. The software is essentially a (very) commonly used data logger for this type of device. My device is built around an arduino pro micro, which of course has a 32u4. The Arduino g…

How to get 32u4 arduino to ignore DTR for USB Serial?

CrossRoads September 11, 2014, 8:12pm 5

Please go thru Section 22 of the 32U4 data sheet and explain the DTR/RTS concept in USB terms. I am not following what you are saying.

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