We know [Happy Little Diodes] frequently works with logic analyzer projects. His recent wireless logic analyzer for the ZX Spectrum is one of the oddest ones we’ve seen in a while. The heart of ...

Ah, the Sinclair ZX Spectrum. A popular computer in Britain and beyond, but now rather thin on the ground. If you can’t find one, fear not, for now—you can apparently build a new one with new… ...

So popular a pastime is tinkering with this historic hardware, that it's actually quite easy to build your own ZX Spectrum using entirely new parts (via Hackaday).