










| 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 |
| 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
| 2 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 |
| 3 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 |
| 4 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 |
| 5 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 |
| 6 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 |
| 7 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| 8 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 9 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 |













| R1~R9 | 10K | 9 | ||
| R10 | 15K | 1 | ||
| R11 | 68K | 1 | ||
| R12 | 1K | 1 | ||
| C1 | 100n | 1 | ||
| C2 | 10u | 1 | ||
| U1~U3 | 74LS48 | 3 | ||
| U4 | 74LS279 | 2 | ||
| U5~U6 | 74LS192 | 2 | ||
| U7 | 74LS148 | 1 | ||
| U8 | 74LS00 | 1 | ||
| U9 | 74LS11 | 1 | ||
| U10 | 555 | 1 | ||
| D1 | LED | 1 | ||
| SW1~SW8 | PD | 8 | ||
| SW9 | SW-SPDT | 1 | ||










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