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用光敏控制LED的明暗程度#xff0c;光敏值在3位数码管上显示#xff0c;串口输出光敏值#xff0c;蜂鸣器到一定的值会didi
话不多说#xff0c;直接上代码#xff0c;那几个部分拼到一起#xff0c;多了个数的拆分#xff0c;让k1k2k3分别等于百位十位个位
代…内容
用光敏控制LED的明暗程度光敏值在3位数码管上显示串口输出光敏值蜂鸣器到一定的值会didi
话不多说直接上代码那几个部分拼到一起多了个数的拆分让k1k2k3分别等于百位十位个位
代码
void setup(){
Serial.begin(9600);
int ledpin9;
for(int i0;i7;i){pinMode(i2,OUTPUT);}pinMode(12,OUTPUT);pinMode(13,OUTPUT);pinMode(11,OUTPUT);
}
int a2g[10][9]{{0,0,0,0,0,0,1}, //0{1,0,0,1,1,1,1}, //1{0,0,1,0,0,1,0}, //2{0,0,0,0,1,1,0}, //3{1,0,0,1,1,0,0}, //4{0,1,0,0,1,0,0}, //5{0,1,0,0,0,0,0}, //6{0,0,0,1,1,1,1}, //7{0,0,0,0,0,0,0}, //8{0,0,0,0,1,0,0}, //9
};
void loop(){int svanalogRead(A0);Serial.println(sv);analogWrite(9,255*sv/300);if(sv60){tone(10,40);}else {noTone(10);} int asv;int i0;while(a0){ii1; aa/10;} int k1,k2,k3;if(i2) {k30;for(int j0;ji;j){if(j0) {k1sv%10;}else if(j1){k2sv%10;}svsv/10;}}else if(i3){for(int j0;ji;j){if(j0) {k1sv%10;}else if(j1){k2sv%10;}else {k3sv%10;}svsv/10;}}for(int j0;j30;j){digitalWrite(13,1);digitalWrite(12,0);digitalWrite(11,0);for(int i0;i7;i){digitalWrite(i2,a2g[k1][i]);}delay(10);digitalWrite(13,0);digitalWrite(12,1);digitalWrite(11,0);for(int i0;i7;i){digitalWrite(i2,a2g[k2][i]);}delay(10);digitalWrite(13,0);digitalWrite(12,0);digitalWrite(11,1);for(int i0;i7;i){digitalWrite(i2,a2g[k3][i]);}delay(10);}//delay(100);
}实物图
