# Problems with M4 and M1 pins

**URL:** <https://discuss.px4.io/t/problems-with-m4-and-m1-pins/30927>\
**Category:** Uncategorized\
**Created:** [February 22, 2023, 2:41am UTC](https://discuss.px4.io/t/problems-with-m4-and-m1-pins/30927 "2023-02-22T02:41:19Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Chienthan123](https://discuss.px4.io/user_avatar/discuss.px4.io/chienthan123/32/12131_2.png) [@Chienthan123](https://discuss.px4.io/u/Chienthan123)\
**Post date:** [February 22, 2023, 2:41am UTC](https://discuss.px4.io/t/problems-with-m4-and-m1-pins/30927/1 "2023-02-22T02:41:19Z")

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I’m using pixhawk 6c and pm07 power module and airframe F450.I have broken pins M4 and M1 in PM07 representing motor 4 and motor 1, can I use pins M6,M7,M8 instead and calibrate it for motor 4 and motor 1?