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
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