KrakenSDR + Pi4 Assembly Frame

This is an assembly frame to physically combine a KrakenSDR (see https://www.krakenrf.com) and a Raspberry Pi 4B.

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Update 29 July 2025:

Upon request of gpugh1796 I uploaded a version for the new enclosure according to
https://github.com/krakenrf/krakensdr_docs/wiki/13.-Appendix

Update 18 October 2022:

- The Hama 210537 power supply is now mountend directly on the frame. Glue it to the frame by means of a double-sided sticker tape reinforced by a cable tie.
- I added a battery power supply holder for this 26650 battery pack:
https://www.aliexpress.com/item/1005004669688186.html

Update 26 September 2022:

Revised frame design:
- You now have the options to (a) print the base for mounting the assembly to a pole via cable ties or (b) via broom stick clips or (c) to print a flat base e.g. for tabletop or in-car use. The frame supports angled USB cable plugs for the KrakenSDR's USB-C power connector.
- Mounting plat