> For the complete documentation index, see [llms.txt](https://nxp.gitbook.io/hovergames/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nxp.gitbook.io/hovergames/rddrone-fmuk66/schematics.md).

# Schematics and design files

The schematics for different revisions of of RDDRONE-FMUK66 are available as PDF. The revision is usually printed on the PCB.  Rev. C and above are currently the only supported revisions of our FMUK66.

## DRONE-FMUK66 Rev. E/F schematics

{% hint style="success" %}
Rev. F is the latest revision of the RDDRONE-FMUK66. The board may be referenced as "E" there is no discernable difference between E and F. The change occured because of internal process only. 
{% endhint %}

The **schematics** are available on the [RDDRONE-FMUK66 product page on NXP.com](https://www.nxp.com/design/designs/px4-robotic-drone-fmu-rddrone-fmuk66:RDDRONE-FMUK66#Design-Resources), and should be obtained from there. In addition the **Gerber files** and a **Bill of Materials** for this particular board (look for "Design Files / BOM").\
&#x20;<https://www.nxp.com/webapp/Download?colCode=SPF-39053-F>

## RDDRONE-FMUK66 Rev. D schematics

{% hint style="success" %}
Rev. D. There are only minor changes compared to Rev. C and users should not notice any difference when using the FMU.
{% endhint %}

{% file src="/files/-M4sB-RqPPrY3O2RP84J" %}
NXP RDDRONE-FMUK66 Rev. D
{% endfile %}

The **schematics** are also available on the [RDDRONE-FMUK66 product page on NXP.com](https://www.nxp.com/design/designs/px4-robotic-drone-fmu-rddrone-fmuk66:RDDRONE-FMUK66#Design-Resources), as well as the **Gerber files** and a **Bill of Materials** for this particular board (look for "Design Files / BOM").

## RDDRONE-FMUK66 Rev. C schematics

{% hint style="success" %}
Rev. C is the previous revision of the RDDRONE-FMUK66. It is still fully supported.
{% endhint %}

{% file src="/files/-LbNemKYuKzpkMEwKdio" %}
NXP RDDRONE-FMUK66 Rev. C BX14
{% endfile %}

## RDDRONE-FMUK66 Rev. B schematics

{% hint style="danger" %}
Rev. B (and older) boards are **not supported** anymore. The schematic is left available for reference only. Please [contact us](/hovergames/contact.md#contact-the-hovergames-team) if you are still using an old RDDRONE-FMUK66 Rev B.&#x20;
{% endhint %}

{% file src="/files/-LNJxPZfmj3ROAZpSAIM" %}
NXP RDDRONE-FMUK66 Rev. B 3.0RC18
{% endfile %}