Try This
Some things to try with your Pi setup:
1. I joked about it, but try making a boombox! You can use a small LiPo (Lithium Polymer) battery to power the Pi and your setup, as long as you also use a voltage regulator (the Pi has no onboard regulator). Experiment with different placements of all of the ingredients—the Pi, the screen, and the power supply—to see how reception is affected.
2. If you’re feeling particularly confident, the Pi 4 will run Ubuntu 19.04 and 19.10. See if you can get the Linux programs mentioned in this book to work on the Pi after installing the necessary libraries and dependencies, rather than using the prepackaged version we used in this chapter. (Hint: make sure you’re looking for ARM-compatible libraries).
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