joplin-mdbooks-website/content/drone-stuff/omnibus-f4-pro-servo-diode.md
Stavros Korokithakis 4caaff6c90 Migrate to mdBook
2021-11-20 02:13:37 +00:00

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# Omnibus F4 pro servo diode
To isolate the servo 5V rail from the controller's 5V power supply, remove this diode:
[![a435bcae86912205b6fac41731285b8d.png](/resources/6d668e05d8a54580966b94a752f3b7db.png)](/resources/6d668e05d8a54580966b94a752f3b7db.png)
Now the servos' 5V rail can be powered from another 5V supply to avoid servo current backflow into the FC.
There's also a [schematic for this FC](/resources/805930c3bedc4393ba947f0e0bfa369d.pdf).
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Last updated on April 09, 2021. For any questions/feedback,
email me at <a href="mailto:hi@stavros.io">hi@stavros.io</a>.
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