Building a breadboard PI Pico ZX Spectrum Part 2

I saw this awesome project online that could emulate a ZX Spectrum on a PI PICO. Had to have a go at this. In this part i will look at adding a keyboard and sound to the project. Link to the project https://github.com/fruit-bat/pico-zxs... Thanks to Fruit-Bat! Let me know what you think in the comments