Reproducing an MCM/70 microcomputer from 1973
1973. The first portable microcomputer was released - the MCM/70 from MCM Computers in Toronto Canada. Certainly something new to us as retro-enthusiasts, and beloved by many people.
One of those people is Instructables user megardi, who enjoys reproducing technology from an earlier time and turned their attention to making an MCM/70. The brains of the operation was the easy part, based on a Raspberry Pi to emulate the Intel 8008 CPU and run the APL programming language.
We really love the reproduction single-line display which is incredibly faithful to the original unit:
The development of this replica is an incredible story, that involves 3D-printing, woodwork, a lot of cusom electronics and love for retro technology. With the final result something to be proud of, and certainly could be a final product from the original days: