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~CO12CLR14U57 4 L S 4 8 DA7B1C2D6OA13OD10OE9OF15OC11OB12OG14~LT3~RBI5~BI/RBO4U67 4 L S 4 8 DA7B1C2D6OA13OD10OE9OF15OC11OB12OG14~LT3~RBI5~BI/RBO4U77 4 L S 4 8 DA7B1C2D6OA13OD10OE9OF15OC11OB12OG14~LT3~RBI5~BI/RBO4U87 4 L S 4 8 DA7B1C2D6OA13OD10OE9OF15OC11OB12OG14~LT3~RBI5~BI/RBO4U9A B C D E F GCKU 1 0A B C D E F GCKU 1 1A B C D E F GCKU 1 2A B C D E F GCKV C C5VV C C5VV C C5VV C C5VS1鍵 = 空格S2鍵 = AR11kΩR21 .0 k ΩV C C5VV C C5VV C C5VS3K e y = BV C C5VA1555_VIRTUALGNDDISOUTRSTVCCTHRCONTRIR350kΩR443kΩC11 0 181。 FC31 0 n FS 4 EK e y = C ⑶ .控制電路圖: U17 4 L S 1 9 2 DA15B1C10D9UP5QA3QB2QC6QD7DOWN4~LOAD11~BO13~CO12CLR14U27 4 L S 1 9 2 DA15B1C10D9UP5QA3QB2QC6QD7DOWN4~LO