[Robert’s Retro] is one of those great YouTube channels that shows us the ins and outs of old and obscure computers. [Robert] likes going a step beyond the traditional teardown though, repairing and ...

This 66-year-old precursor to USB refuses to become obsolete ...

with Opto 22 serial-based I/O, including remote bricks for the mistic I/O product family, and the Snap-B3000 serial brain. The adapter works with both industrial and personal computers-that use a ...