Among old CPUs, the 6809 never got as much attention ... Now [Dave] has reconstructed that computer on breadboards and it looks great. The files are on GitHub and there is even a series of videos ...

it’s old, obscure displays with no documentation that need a healthy dose of reverse engineering before they can be put to use. These Plessey dot-matrix displays are a perfect example of that.

an office computer that looks like it emerged from a retro-futuristic design lab. This all-in-one device, the successor to the SJ-9100, throws together an eclectic mix of hardware: a dot matrix ...