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int leds[]={9, 13, 7, 8, 12, 10, 11, 6}; int btnUp=5, btnDown=4; int nowNumbers=0; unsigned long cnt=0; byte digits[10][8]={ {1, 1, 1, 1, 1, 1, 0, 0}, // 0 {0, 1, 1, 0, 0, 0, 0, 0}, // 1 {1, 1, 0, 1, 1, 0, 1, 0}, // 2 {1, 1, 1, 1, 0, 0, 1, 0}, // 3 {0, 1, 1, 0, 0, 1, 1, 0}, // 4 {1, 0, 1, 1, 0, 1, 1, 0}, // 5 {1, 0, 1, 1, 1, 1, 1, 0}, // 6 {1, 1, 1, 0, 0, 0, 0, 0}, // 7 {1, 1, 1, 1, 1, 1, 1, 0}, // 8 {1, 1, 1, 1, 0, 1, 1, 0} // 9 }; void setup() { for (int i=0;i<8;i++) { pinMode(leds[i], OUTPUT); } pinMode(btnUp, INPUT); pinMode(btnDown, INPUT); } void loop() { if (cnt==0 && digitalRead(btnUp)) { cnt=millis(); nowNumbers++; } else if (cnt==0 && digitalRead(btnDown)) { cnt=millis(); nowNumbers--; } else if (cnt > 0 && millis() > cnt+500) { cnt=0; } if (nowNumbers > 9) { nowNumbers=0; } else if (nowNumbers < 0) { nowNumbers=9; } for (int d=0;d<8;d++) { digitalWrite(leds[d], digits[nowNumbers][d]); } } |
Study Board 구매 문의 : redcrow@naver.com