This one doesn't strictly require a massive array, so it might be possible to do on a small device (but visualization on a small device could be tricky)
Author of SoLoud, Galaxql, Atanua, Sassy audio spreadsheet, and tons of other projects. I like zx spectrum next. Any opinions I post are mine, not my employers. https://ko-fi.com/sol_hsa
This one doesn't strictly require a massive array, so it might be possible to do on a small device (but visualization on a small device could be tricky)