Something as staple as a TI-84 graphing calculator has now gotten a touchscreen display, thanks to the efforts of Owen. To achieve this, he had to write some z80 assembly code in order to use the linkport as a UART. This proof-of-concept video shows off where he draws on the screen, and that input is then interpreted by the Arduino with commands sent through the UART, resulting in the calculator program drawing on the screen itself. Good job, but don’t expect these to hit the market by themselves anytime soon since it is probably an one-off occurence.RELATED
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- Follow: calculator, diy, hack, mod, texas instruments, ti,
- Seen at: hackaday