# Bar30 not working with Pixhawk 4

**URL:** <https://discuss.bluerobotics.com/t/bar30-not-working-with-pixhawk-4/16784>\
**Category:** ArduSub\
**Tags:** ardusub\
**Created:** [May 3, 2024, 7:25am UTC](https://discuss.bluerobotics.com/t/bar30-not-working-with-pixhawk-4/16784 "2024-05-03T07:25:02Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Haadi](https://avatars.discourse-cdn.com/v4/letter/h/c6cbf5/32.png) [@Haadi](https://discuss.bluerobotics.com/u/Haadi)\
**Post date:** [May 3, 2024, 7:25am UTC](https://discuss.bluerobotics.com/t/bar30-not-working-with-pixhawk-4/16784/1 "2024-05-03T07:25:02Z")

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My Pixhawk 4 is not detecting Bar30 pressure sensor.

 ![Screenshot from 2024-05-03 12-35-32](https://us1.discourse-cdn.com/flex019/uploads/bluerobotics/original/2X/7/76bce81b8b12852bbac16385fa6bb2468e1deebd.png)  
 ![Screenshot from 2024-05-03 12-35-36](https://us1.discourse-cdn.com/flex019/uploads/bluerobotics/original/2X/1/13021f34c7b62f2a44325f14b562f44974423baf.png)  
 ![Screenshot from 2024-05-03 12-35-39](https://us1.discourse-cdn.com/flex019/uploads/bluerobotics/original/2X/a/a845e1f83220aeed6243809cbf03d26802817f34.png)  
 ![Screenshot from 2024-05-03 12-35-51](https://us1.discourse-cdn.com/flex019/uploads/bluerobotics/original/2X/9/9ba5cad72ff34881c681ea3f5a355bb70cc9758e.png)

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<div class="post-metadata">

**Author:** ![Haadi](https://avatars.discourse-cdn.com/v4/letter/h/c6cbf5/32.png) [@Haadi](https://discuss.bluerobotics.com/u/Haadi)\
**Post date:** [May 3, 2024, 7:25am UTC](https://discuss.bluerobotics.com/t/bar30-not-working-with-pixhawk-4/16784/2 "2024-05-03T07:25:24Z")

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All connections are tight and good.