11 Jun
2006
11 Jun
'06
2:01 a.m.
David Griffith wrote:
I'm pretty sure I could design and build a paper
tape punch and reader
that uses plain old cash register tape and winds the tape on old microfilm
spools. Assuming the sprocket and data holes match standard paper tape,
what are some other caveats to look out for?
You don't even need to have a "sprocket" engage the holes.
Use a friction roller and just make sure it always moves
*forward* constantly (trivial with the sorts of electronics
available nowadays) without slipping backwards, etc.