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See the End User Guide/Manual at 12V-5V 4A Buck + ELRS RX End User Manual
Project Link
Altium 365 | 12V-5V 4A Buck + ELRS
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This project was documented in a sequential manner; meaning a majority of the content was written and never updated to match with some of the revised design decisions. Check the Altium 365 project link for the latest design.
This design documentation was created to be extremely in-depth and includes a lot of basic theory which might be redundant to some readers, but (hopefully) helpful to some who are interested in the project but are new to electrical engineering and PCB design. You could hypothetically fully replicate the board with just the information contained in this document.
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