/diy/ - Do It Yourself

Anonymous Thu May 16 07:59:47 2019 No.1611093 [View]
File: 435 KB, 550x800, TI-Nspire_84KBD_BLY_PCB.jpg [View same] [iqdb] [saucenao] [google]

the TI84 keypad interfaces with the switches on the board, and i was thinking maybe you could use some other sort of "grid of switches" underneath to intercept keypresses.
see:
https://d3nevzfk7ii3be.cloudfront.net/igi/UyN244LUKGA4dDpF.medium

however, i just found this:
http://www.datamath.org/Graphing/NSpire_84KBD_BL_Y.htm

a drop in keypad for the TI-Nspire. It pins out in a convenient location, and might be way easier to tap into with some sort of ribbon cable, rather than the tiny array on the default TI84 board.

maybe even... easy...

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/diy/ - Do It Yourself

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