# Pixhawk CB REV\_E Schematics \*help please\* **URL:** \ **Category:** Cube Autopilot\ **Created:** [2 June 2022 08:40 UTC](https://discuss.cubepilot.org/t/pixhawk-cb-rev-e-schematics-help-please/8995 "2022-06-02T08:40:46Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![Mallikarjun\_SE](https://discuss.cubepilot.org/user_avatar/discuss.cubepilot.org/mallikarjun_se/32/7496_2.png) [@Mallikarjun\_SE](https://discuss.cubepilot.org/u/Mallikarjun_SE)\ **Post date:** [2 June 2022 16:27 UTC](https://discuss.cubepilot.org/t/pixhawk-cb-rev-e-schematics-help-please/8995/2 "2022-06-02T16:27:31Z")
I think pinouts itself are same! No changes have been made to carrier pinouts except external SPI pins which are repurposed in coming revision. > [@ECN RFC 00000001 Pinout repurpose](https://discuss.cubepilot.org/t/ecn-rfc-00000001-pinout-repurpose/4335): > > Hi all If you or anyone you know are making custom carrier boards and this proposed change impacts you, please let me know. I would like to re-purpose the following pins in the DF17 main cube connector on future cubes. Pin 5, from EXTERN\_CS to RSV FOR FUTURE USE Pin 11, from EXTERN\_DRDY to RSV FOR FUTURE USE Pin 51, from SPI\_EXT\_MOSI to RSV FOR FUTURE USE PIN 67,from SPI\_EXT\_MISO to RSV FOR FUTURE USE PIN 73,from SPI\_EXT\_SCK to RSV FOR FUTURE USE I am unaware of anyone using the… @philip can comment better on this. --- _[View the full topic](https://discuss.cubepilot.org/t/pixhawk-cb-rev-e-schematics-help-please/8995)._