TI99_22
danwerner21
a 2022 replica of the classic TI/994a, using obtainable parts
Components (56)
| Reference | Value | Description |
|---|---|---|
| U1 | ATtiny13A-P | |
| U2 | 74LS125 | |
| C1 | 0.1µF | |
| D1 | Alpha | |
| D2 | Power | |
| H1-H6 | MountingHole | |
| J1 | Computer | |
| R1,R2 | 470Ω | |
| R3 | 1KΩ | |
| SW1 | SLASH | |
| SW2 | PERIOD | |
| SW3 | COMMA | |
| SW4 | M | |
| SW5 | N | |
| SW6 | EQUALS | |
| SW7 | COLON | |
| SW8 | L | |
| SW9 | K | |
| SW10 | J | |
| SW11 | H | |
| SW12 | SPACE | |
| SW13 | P | |
| SW14 | O | |
| SW15 | I | |
| SW16 | U | |
| SW17 | Y | |
| SW18 | ENTER | |
| SW19 | 0 | |
| SW20 | 9 | |
| SW21 | 8 | |
| SW22 | 7 | |
| SW23 | 6 | |
| SW24 | Z | |
| SW25 | X | |
| SW26 | C | |
| SW27 | V | |
| SW28 | B | |
| SW29 | LOCK | |
| SW30 | A | |
| SW31 | S | |
| SW32 | D | |
| SW33 | F | |
| SW34 | G | |
| SW35,SW36 | SHIFT | |
| SW37 | Q | |
| SW38 | W | |
| SW39 | E | |
| SW40 | R | |
| SW41 | T | |
| SW42 | CTRL | |
| SW43 | 1 | |
| SW44 | 2 | |
| SW45 | 3 | |
| SW46 | 4 | |
| SW47 | 5 | |
| SW48 | FNCT |