Vibrómetro

const int control_pin = 25;
const int bias_pin = 26;
const int amplitude = 255;
const int neutral = 127;

void setup() { 
 // pinMode(34, INPUT);
 // analogSetAttenuation(ADC_0db);
  dacWrite(bias_pin, 118);
  dacWrite(control_pin, neutral);
}



void loop() {
  /*
  for (int i = 0; i <= amplitude; i+=10) {
    dacWrite(control_pin, i);
    delayMicroseconds(10000);
  }

  for (int i = amplitude; i >= 0; i-=10) {      
    dacWrite(control_pin, i);
    delayMicroseconds(10000);
  }
  */
}
/*
    int adc = analogRead(34);                // 0..4095
    int level = map(adc, 0, 4095, 0, 255);       // 0..255 for DAC
    dacWrite(25, level); 
    delayMicroseconds(100);
*/