💽影片名稱：[Arduino寫程式] 第20集 - 七段顯示器 7447與7448 IC
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[電路圖]
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[程式碼]
| EX01: 七段顯示器 顯示數字1 |
void setup(){
for ( int led=8; led<=12 ; led++ ){
pinMode ( led , OUTPUT );
}
}
void loop(){
digitalWrite(8,1);
digitalWrite(9,0);
digitalWrite(10,0);
digitalWrite(11,0);
digitalWrite(12,1); //N.C
}
|
| EX02: 七段顯示器 顯示數字2 |
void setup(){
for ( int led=8; led<=12 ; led++ ){
pinMode ( led , OUTPUT );
}
}
void loop(){
digitalWrite(8,0); //+1
digitalWrite(9,1); //+2
digitalWrite(10,0); //+4
digitalWrite(11,0);
digitalWrite(12,1); //N.C
}
|
| EX03: 七段顯示器 顯示數字4 |
void setup(){
for ( int led=8; led<=12 ; led++ ){
pinMode ( led , OUTPUT );
}
}
void loop(){
digitalWrite(8,0); //+1
digitalWrite(9,0); //+2
digitalWrite(10,1); //+4
digitalWrite(11,0); //+8
digitalWrite(12,1); //N.C
}
|
| EX04: 七段顯示器 顯示數字8 |
void setup(){
for ( int led=8; led<=12 ; led++ ){
pinMode ( led , OUTPUT );
}
}
void loop(){
digitalWrite(8,0); //+1
digitalWrite(9,0); //+2
digitalWrite(10,0); //+4
digitalWrite(11,1); //+8
digitalWrite(12,1); //N.C
}
|
| EX05: 七段顯示器 顯示數字3 |
void setup(){
for ( int led=8; led<=12 ; led++ ){
pinMode ( led , OUTPUT );
}
}
void loop(){
digitalWrite(8,1); //+1
digitalWrite(9,1); //+2
digitalWrite(10,0); //+4
digitalWrite(11,0); //+8
digitalWrite(12,1); //N.C
}
|
| [變化程式] EX01: 七段顯示器 顯示數字5 |
void setup(){
for ( int led=8; led<=12 ; led++ ){
pinMode ( led , OUTPUT );
}
}
void loop(){
digitalWrite(8,0); //+1
digitalWrite(9,0); //+2
digitalWrite(10,1); //+4
digitalWrite(11,0); //+8
digitalWrite(12,1); //N.C
}
|
| [變化程式] EX02: 七段顯示器 顯示數字6 |
void setup(){
for ( int led=8; led<=12 ; led++ ){
pinMode ( led , OUTPUT );
}
}
void loop(){
digitalWrite(8,0); //+1
digitalWrite(9,1); //+2
digitalWrite(10,1); //+4
digitalWrite(11,0); //+8
digitalWrite(12,1); //N.C
}
|
| [變化程式] EX03: 七段顯示器 顯示數字7 |
void setup(){
for ( int led=8; led<=12 ; led++ ){
pinMode ( led , OUTPUT );
}
}
void loop(){
digitalWrite(8,1); //+1
digitalWrite(9,1); //+2
digitalWrite(10,1); //+4
digitalWrite(11,0); //+8
digitalWrite(12,1); //N.C
}
|
| [變化程式] EX04: 七段顯示器 顯示數字9 |
void setup(){
for ( int led=8; led<=12 ; led++ ){
pinMode ( led , OUTPUT );
}
}
void loop(){
digitalWrite(8,1); //+1
digitalWrite(9,0); //+2
digitalWrite(10,0); //+4
digitalWrite(11,1); //+8
digitalWrite(12,1); //N.C
}
|
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