Electronic organ made by Arduino+ photoresistor

Shunuo varistor / ESD varistor / product complete / Sunlord first-class agent

NCP15WB473F03RC MURATA Murata thermistor original spot

Photocoupler

Summary:

I saw the keyboard made by others. I also started to work on my own idea.

This is based on the use of a photoresistor to control the tone function so that the speaker sounds.

First on the breadboard map:

Note: The resistance of the string in the figure is 10kΩ.

Void setup(){

pinMode(3,OUTPUT);

pinMode(2,INPUT);

}

Void loop()

{

Int val1=analogRead(0);

Int val2=analogRead(1);

Int val3=analogRead(2);

Int val4=analogRead(3);

Int val5=analogRead(4);

Int val6=analogRead(5);

Int val7=digitalRead(2);

If(val1<100)

{

Tone (3,525,100);

}

If(val2<50)

{

Tone (3,589,100);

}

If(val3<100)

{

Tone (3,661,100);

}

If(val4<50)

{

Tone (3,700,100);

}

If(val5<250)

{

Tone (3,786,100);

}

If(val6<350)

{

Tone (3,882,100);

}

If(val7==HIGH)

{

Tone (3,990,100);

}

}

This code is based on the c tune, you can add it yourself, now based on this c tune, the first c tune "Little Star".

Another refit map (*^__^*)...

This is a self-welding 3.5mm interface that can be directly connected to speakers and other equipment.