Hi. I remember that when I was a kid, there existed these musical
greeting cards (real ones, not e-cards) -- you opened it up, and there
was a chip inside that triggered and played "Happy Birthday" or some
Christmas song, or something.
1. How do those things work? (what chip do they used, how is it
constructed, etc.)
2. How can I manufacture my own?
3. (barring that) How can I find a place that will custom-build these
for me? i want to make them in bulk quantity.
Thanks!
greeting cards (real ones, not e-cards) -- you opened it up, and there
was a chip inside that triggered and played "Happy Birthday" or some
Christmas song, or something.
1. How do those things work? (what chip do they used, how is it
constructed, etc.)
2. How can I manufacture my own?
3. (barring that) How can I find a place that will custom-build these
for me? i want to make them in bulk quantity.
Thanks!