arduino dice

버튼 push시 주사위 값을 보여준다.

button, LED 를 알고 있고 random 함수를 알면 사용 가능

회로도

동영상

source

arduino random 함수

http://arduino.cc/en/Reference/Random

#include \ \ void setup()\ {\   Serial.begin(9600);\   pinMode(2, INPUT);\   pinMode(3, OUTPUT);\   pinMode(4, OUTPUT);\   pinMode(5, OUTPUT);\   pinMode(6, OUTPUT);\   pinMode(7, OUTPUT);\   pinMode(8, OUTPUT);\   pinMode(9, OUTPUT);\ }\ /\*\       9          5 \       8     7    4\       6          3  \ \*/\ \ /\*   \      1 -> 7\      2 -> 5,6\      3 -> 5,6,7\      4 -> 3,5,6,9\      5 -> 3,5,6,7,9\      6 -> 3,4,5,6,8,9\ \*/\ void dice(int num)\ {\   Serial.print(num);\   \   if(num == 1)\   {\     digitalWrite(7, 1);\   }else if(num == 2)\   {\       digitalWrite(5, 1);\       digitalWrite(6, 1);\   }else if(num == 3)\   {\       digitalWrite(5, 1);\       digitalWrite(6, 1);\       digitalWrite(7, 1);\   }else if(num == 4)\   {\       digitalWrite(3, 1);\       digitalWrite(5, 1);\       digitalWrite(6, 1);\       digitalWrite(9, 1);\   }else if(num == 5)\   {\       digitalWrite(3, 1);\       digitalWrite(5, 1);\       digitalWrite(6, 1);\       digitalWrite(7, 1);\       digitalWrite(9, 1);\   }else if (num == 6)\   {\       digitalWrite(3, 1);\       digitalWrite(4, 1);\       digitalWrite(5, 1);\       digitalWrite(6, 1);\       digitalWrite(8, 1);\       digitalWrite(9, 1);   \   }else\   {\       digitalWrite(3, 0);\       digitalWrite(4, 0);\       digitalWrite(5, 0);\       digitalWrite(6, 0);\       digitalWrite(7, 0);\       digitalWrite(8, 0);\       digitalWrite(9, 0);  \   }\ }\ \ int nu = 0;\ int push = 0;\ int toggle = 0;\ void loop(){\      push = digitalRead(2);\      \      if (push == 1 && toggle == 0)\      {\        nu = random(1, 7);\        dice(nu);\        toggle = 1;\       }\       else if(push == 0 && toggle == 1)\       {\         dice(10);\         toggle = 0;\       }\ }

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