Once upon a punch card - how textiles can explain why we have the web
summary
Converts digital images into knit patterns for an electric knitting machine, builds a physical punch-card reader out of wood and contacts, and implements an interpreter in JavaScript using Arduino + socket.io and a PEG-style parser. Demos two working modes — ASCII text and textile bitmap — and prints “hi there” from punched cards. Emphasizes binary as two signals and eight-pin mappings, and ties the technique to Jacquard looms and Hollerith census tabulators.
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chapters (5)
- 0:00Start
- 7:30Make One Stitches
- 16:12First Telegraph Service
- 17:13International Telegraph Alphabet
- 18:27Multi-Byte Encoding
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