arduino单位数码管测试程序
这是一个让单位数码管显示输入数字的程序
byte DIGITAL_DISPLAY[10][8] = {
{ 0,0,0,0,0,1,0,0 }, // = 0
{ 0,0,0,1,1,1,1,1 }, // = 1
{ 0,1,0,0,1,0,0,0 }, // = 2
{ 0,0,0,0,1,0,1,0 }, // = 3
{ 0,0,0,1,0,0,1,1 }, // = 4
{ 0,0,1,0,0,0,1,0 }, // = 5
{ 0,0,1,0,0,0,0,0 }, // = 6
{ 0,0,0,0,1,1,1,1 }, // = 7
{ 0,0,0,0,0,0,0,0 }, // = 8
{ 0,0,0,0,0,0,1,0 } // = 9
};
char input = 0;
void numWrite(int k);
void setup() {
Serial.begin(9600);
for(int i=4;i<=11;i++){
pinMode(i, OUTPUT);
}
}
void loop() {
for(int j = 0;j<=9;j++){
numWrite(j);
delay(500);
}
}
void numWrite(int k){
int pin = 4;
for (int s = 0; s < 8; s++)
{
digitalWrite(pin, DIGITAL_DISPLAY[k][s]);
pin++;
}
delay(1000);
}