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PUNCHED CARD entries in Index to How To Do It Information
Norman Lathrop Enterprises  
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.

PUNCHED CARD
x   CARD (PUNCHED)
xx   COMPUTER INPUT & OUTPUT

The eclectic card reader. Simple homemade card reader made mostly from wood. The card is moved by hand over a single row of phototransistors.
BYTE Feb 1979 (v.4#2) pg. 70

Card reader for your PC. Infrared card reader inputs data from "PcSwipe" cards which have a punched hole pattern in the bottom edge. The cards are custom made, not commercially available.
ELECTRONICS NOW Aug 1995 (v.66#8) pg. 63

Programmable digital sequencers and controllers. Use them to activate LEDs, motors, solenoids, etc. Part 1. Construction of a 16-step, 4-bit programmable digital sequencer is shown which uses a "punched card" and simple card reader to enter the programs.
MODERN ELECTRONICS [2] May 1988 (v.5#5) pg. 62