#define EN 3
#define S0 4
#define S1 5
#define S2 6
#define S3 7
#define SIG A0
void setup(){
Serial.begin(9600);
pinMode(S0, OUTPUT);
pinMode(S1, OUTPUT);
pinMode(S2, OUTPUT);
pinMode(S3, OUTPUT);
digitalWrite(S0, LOW);
digitalWrite(S1, LOW);
digitalWrite(S2, LOW);
digitalWrite(S3, LOW);
pinMode(EN, OUTPUT);
digitalWrite(EN, LOW);
}
void loop(){
//Loop through and read all 16 values
//Reports back Value at channel 6 is: 346
for(int i = 0; i < 16; i ++){
// Serial.print("Value at channel ");
// Serial.print(i);
// Serial.print(": ");
Serial.print(readMux(i));
Serial.print(". ");
}
Serial.println();
delay(1000);
}
int readMux(int channel){
int controlPin[] = {S0, S1, S2, S3};
int muxChannel[16][4]={
{0,0,0,0}, //channel 0
{1,0,0,0}, //channel 1
{0,1,0,0}, //channel 2
{1,1,0,0}, //channel 3
{0,0,1,0}, //channel 4
{1,0,1,0}, //channel 5
{0,1,1,0}, //channel 6
{1,1,1,0}, //channel 7
{0,0,0,1}, //channel 8
{1,0,0,1}, //channel 9
{0,1,0,1}, //channel 10
{1,1,0,1}, //channel 11
{0,0,1,1}, //channel 12
{1,0,1,1}, //channel 13
{0,1,1,1}, //channel 14
{1,1,1,1} //channel 15
};
//loop through the 4 sig
for(int i = 0; i < 4; i ++){
digitalWrite(controlPin[i], muxChannel[channel][i]);
}
//read the value at the SIG pin
int val = analogRead(SIG);
//return the value
return val;
}
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Только смотрите какого размера int в вашей ардуине.