Собираюсь сделать плату Arduino Uno - интересно Ваше мнение по схемотехнике

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56

здесь в скетче имеется

void VCC()
{
#define Vref 1100
  int mvVcc;

  if ((foundSig >= 0) && (foundSig <= 8)) {

    ADMUX = (1 << REFS0) | 0x0E;
    ADCSRB = 0;
    ADCSRA = (1 << ADEN) | (1 << ADATE) | (1 << ADSC) | 0x05;
    delay(1);
    mvVcc = (1023L * Vref) / ADC;

    Serial.print(F("VCC = "));
    Serial.print(mvVcc);
    Serial.println(F(" mV"));
    Serial.println();
  }

  if ((foundSig >= 14) && (foundSig <= 18)) {

    ADMUX = (1 << REFS0) | 0x1E;
    ADCSRB = 0;
    ADCSRA = (1 << ADEN) | (1 << ADATE) | (1 << ADSC) | 0x05;
    delay(1);
    mvVcc = (1023L * Vref) / ADC;

    Serial.print(F("VCC = "));
    Serial.print(mvVcc);
    Serial.println(F(" mV"));
    Serial.println();
  }

  if ((foundSig >= 22) && (foundSig <= 23)) {

    ADMUX = (1 << REFS0) | 0x1E;
    ADCSRB = 0;
    ADCSRA = (1 << ADEN) | (1 << ADATE) | (1 << ADSC) | 0x05;
    delay(1);
    mvVcc = (1023L * Vref) / ADC;

    Serial.print(F("VCC = "));
    Serial.print(mvVcc);
    Serial.println(F(" mV"));
    Serial.println();
  }

  if ((foundSig >= 29) && (foundSig <= 31)) {

    ADMUX = 0x0E;
    ADCSRB = 0;
    ADCSRA = (1 << ADEN) | (1 << ADATE) | (1 << ADSC) | 0x05;
    delay(1);
    mvVcc = (1023L * Vref) / ADC;

    Serial.print(F("VCC = "));
    Serial.print(mvVcc);
    Serial.println(F(" mV"));
    Serial.println();
  }
}
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