制作纸钢琴

1.连接电容引脚

1

2.留出数据线

2

3.蜂鸣器接到A4

3

４.用2B铅笔画线

4

5.接线

5

６.导入库文件

导入

7.程序

编程
2
3
4
5
6
7

程序：

#include <CapacitiveSensor.h>
#define speaker 11
CapacitiveSensor   s1 = CapacitiveSensor(2,3);
CapacitiveSensor   s2 = CapacitiveSensor(2,4);
CapacitiveSensor   s3 = CapacitiveSensor(2,5);
CapacitiveSensor   s4 = CapacitiveSensor(2,6);
CapacitiveSensor   s5 = CapacitiveSensor(2,7);
CapacitiveSensor   s6 = CapacitiveSensor(2,8);
CapacitiveSensor   s7 = CapacitiveSensor(2,9);
CapacitiveSensor   s8 = CapacitiveSensor(2,10);
void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
 long sen1 = s1.capacitiveSensorRaw(300);
  long sen2 = s2.capacitiveSensorRaw(300);
  long sen3 = s3.capacitiveSensorRaw(300);
  long sen4 = s4.capacitiveSensorRaw(300);
  long sen5 = s5.capacitiveSensorRaw(300);
  long sen6 = s6.capacitiveSensorRaw(300);
  long sen7 = s7.capacitiveSensorRaw(300);
  long sen8 = s8.capacitiveSensorRaw(300);

 Serial.print(sen1);
 Serial.print("\t");  
 Serial.print(sen2);
 Serial.print("\t");  
 Serial.print(sen3);
 Serial.print("\t");  
  Serial.print(sen4);
 Serial.print("\t"); 
Serial.print(sen5);
 Serial.print("\t"); 
 Serial.print(sen6);
 Serial.print("\t"); 
Serial.print(sen7);
 Serial.print("\t"); 
 Serial.print(sen8);
 Serial.println("\t"); 
  if (sen1> 1000) tone(speaker,131,100);   // frequency
  if (sen2 > 1000) tone(speaker,147,100);   // you can see https://www.arduino.cc/en/Tutorial/toneMelody if you want to change frequency
  if (sen3 > 1000) tone(speaker,165,100);
   if (sen4 > 1000) tone(speaker,175,100);
  if (sen5 > 1000) tone(speaker,196,100);
  if (sen6 > 1000) tone(speaker,220,100);
  if (sen7 > 1000) tone(speaker,247,100);
  if (sen8 > 1000) tone(speaker,262,100);
  if (sen1<=1000  &  sen2<=1000  &  sen3<=1000 & sen4<=1000  &  sen5<=1000  &  sen6<=1000 &  sen7<=1000 &  sen8<=1000)
    noTone(speaker);
     delay(10); 
}

参考图二：

2

#include <CapacitiveSensor.h>
#define speaker A0
  CapacitiveSensor   s1 = CapacitiveSensor(2,3);
CapacitiveSensor   s2 = CapacitiveSensor(4,5);
CapacitiveSensor   s3 = CapacitiveSensor(6,7);
CapacitiveSensor   s4 = CapacitiveSensor(8,9);
CapacitiveSensor   s5 = CapacitiveSensor(10,11);
CapacitiveSensor   s6 = CapacitiveSensor(12,13);
CapacitiveSensor   s7 = CapacitiveSensor(A1,A2);
CapacitiveSensor   s8 = CapacitiveSensor(A3,A4);
void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
long sen1 = s1.capacitiveSensorRaw(300);
long sen2 = s2.capacitiveSensorRaw(300);
 long sen3 = s3.capacitiveSensorRaw(300);
  long sen4 = s4.capacitiveSensorRaw(300);
  long sen5 = s5.capacitiveSensorRaw(300);
long sen6 = s6.capacitiveSensorRaw(300);
  long sen7 = s7.capacitiveSensorRaw(300);
 long sen8 = s8.capacitiveSensorRaw(300);

 Serial.print(sen1);
 Serial.print("\t");
  Serial.print(sen2);
 Serial.print("\t");
  Serial.print(sen3);
 Serial.print("\t");
  Serial.print(sen4);
 Serial.print("\t");
   Serial.print(sen5);
 Serial.print("\t");
    Serial.print(sen6);
 Serial.println("\t");
 if (sen1> 1000) tone(speaker,131,100);   // frequency
  if (sen2 > 1000) tone(speaker,147,100);   // you can see https://www.arduino.cc/en/Tutorial/toneMelody if you want to change frequency
 if (sen3 > 1000) tone(speaker,165,100);
  if (sen4 > 1000) tone(speaker,175,100);
  if (sen5 > 1000) tone(speaker,196,100);
  if (sen6 > 1000) tone(speaker,220,100);
  if (sen7 > 1000) tone(speaker,247,100);
if (sen8 > 1000) tone(speaker,262,100);
//  if (sen1<=1000  &  sen2<=1000  &  sen3<=1000 & sen4<=1000  &  sen5<=1000  &  sen6<=1000 &  sen7<=1000 )
//    noTone(speaker);
//     delay(10); 
}

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