Last year Ben Heck built a ZX Spectrum clone, and made it a portable unit. This time, he wants to try again, but doing it properly, in a way other people could build their own unit, following a cleaner project than the previous one.
This 26-minute video is the first part. If you like tinkering with hardware or build stuff, this will interest you for sure!
[youtube Kyvn1Le7aiU nolink]
Link: YouTube