# Beginner question regarding AUX & MAIN ports

**URL:** <https://discuss.px4.io/t/beginner-question-regarding-aux-main-ports/16328>\
**Category:** Pixhawk\
**Created:** [April 20, 2020, 1:25pm UTC](https://discuss.px4.io/t/beginner-question-regarding-aux-main-ports/16328 "2020-04-20T13:25:51Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![rroche](https://discuss.px4.io/user_avatar/discuss.px4.io/rroche/32/17635_2.png) [@rroche](https://discuss.px4.io/u/rroche)\
**Post date:** [March 15, 2021, 10:24pm UTC](https://discuss.px4.io/t/beginner-question-regarding-aux-main-ports/16328/21 "2021-03-15T22:24:33Z")

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Please open a new post with your question, I’m locking this thread. Thank you!

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