Paper Tape Reader prototype
Автор: Robert Jenkins Technology Channel
Загружено: 2025-01-07
Просмотров: 1222
Описание:
A simple & quite low cost optical tape reader design I've been working on for a while.
The data output is buffered, logic level, suitable for direct connection to a 5V (or 5V tolerant) MCU port, with a separately buffered signal from the sprocket hole track via an adjustable threshold comparator.
No motor drive yet, as I wanted to confirm the electronics and optical part worked before going further!
The stripboard part is just a way of displaying the data from the reader module to verify the output matches the tape data - nothing but LEDs with series resistors, and power connections.
The human-readable text punched on the tape is normally used as an extra leader to allow a tape to be easily identified - I created a program a few years ago to produce such punchable text files, it's free for use on our business web site, here:
https://www.jrw.co.uk/content.php?pag...
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