The IMSAI8080 was a pretty special machine, mainly because it was considered the very first “clone” computer, being sold in kit form in the mid 70s.
This is the buildout of one of the better IMSAI8080 clones around.
The Blueduino is the cheapest Arduino based BLE board that supports full iBeacon functionality. It’s been on the market for almost a year now with the original version released late 2014.
But, is it good enough for your application?