roboforum.ru

Код: Выделить всё • Развернуть

//Voltage monitor website https://create.arduino.cc/projecthub/nickthegreek82/diy-voltmeter-with-arduino-and-a-nokia-5110-display-cc5092?ref=platform&ref_id=424_trending___&offset=49

int counter = 0;
int switchPin = 2;
int PWM_SET;

#define MIN_VOLT = 9.0;

//----PWM_ADJ------
int POT_PIN = A7;
//----PWM_ADJ_END------


//-------led outputs
int LED_GREEN = 5;
int LED_BLUE = 6;
int LED_RED = 7;

float VOLT_MIN;

float voltage = 0.0;
int sensorPin = A1;  
float sensorValue = 0.0f;  
String voltageString ="0.0";
int stringLength = 0;


float vout = 0.0;
float vin = 0.0;
float R1 = 83000.0; 
float R2 = 18000.0; 




void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(switchPin, INPUT);
  pinMode(LED_GREEN, OUTPUT);
  pinMode(LED_BLUE, OUTPUT);
  pinMode(LED_RED, OUTPUT);

}

void loop() {
  //----провека напряжения на входеб если ниже 9В то ничего не делать.
// for (float i = 0; i < voltage; ++i){
 //  if (VOLT_MIN < voltage)
//   continue;
 
 
//-------------pwm------- https://www.arduino.cc/en/Tutorial/SecretsOfArduinoPWM
pinMode(3, OUTPUT);
 // pinMode(11, OUTPUT);
 
 
 
  TCCR2A = _BV(COM2A1) | _BV(COM2B1) | _BV(WGM20);
  TCCR2B = _BV(CS22);
 // OCR2A = 0; //pin 11
  OCR2B = (PWM_SET);

/*
  
 * Output A frequency: 16 MHz / 64 / 255 / 2 = 490.196Hz
Output A duty cycle: 180 / 255 = 70.6%
Output B frequency: 16 MHz / 64 / 255 / 2 = 490.196Hz
Output B duty cycle: 50 / 255 = 19.6%
 
 
Timer output Arduino output  Chip pin  Pin name
OC0A  6 
OC0B  5 
OC1A  9 
OC1B  10  
OC2A  11  
OC2B  3 
 */
 // --------------pwm end
 
//---------------------------------pwm adjusts

int PWM_ADJUST, PWM_ADJ; 

PWM_ADJ = analogRead(POT_PIN);

PWM_ADJUST = PWM_ADJ / 20;

//---button

 //Handle input
 int switchVal = digitalRead(switchPin);
 if(switchVal == LOW)
 {
   delay(500);  
   counter ++;
   //Reset count if over max mode number
   if(counter == 7)
   {
     counter = 0;
   }
 }

 else
 
 //Change mode
 switch (counter) {
 case 1:
   PWM_SET = 0;
  digitalWrite(LED_GREEN, LOW);
  digitalWrite(LED_BLUE, LOW);
  digitalWrite(LED_RED, LOW);
   break;
 
 case 2:
   PWM_SET = (50);
  digitalWrite(LED_GREEN, 255);
  digitalWrite(LED_BLUE, 0);
  digitalWrite(LED_RED, 0);
   break;
 
 case 3:
   PWM_SET = (100);
 digitalWrite(LED_GREEN, 255);
 digitalWrite(LED_BLUE, 255);
 digitalWrite(LED_RED, 0);
   break;
 
 case 4:
   PWM_SET = (150);
 digitalWrite(LED_GREEN, 0);
 digitalWrite(LED_BLUE, 255);
 digitalWrite(LED_RED, 0);
  break;
   
 case 5:
   PWM_SET = (200);
  digitalWrite(LED_GREEN, 0);
  digitalWrite(LED_BLUE, 255);
  digitalWrite(LED_RED, 255);
   break;
   
 case 6:  
  PWM_SET = 254;
  digitalWrite(LED_GREEN, 0);
  digitalWrite(LED_BLUE, 0);
  digitalWrite(LED_RED, 255);
  break;
   
}
  


 //----button end


  
  voltage = readVoltage();
  
  Serial.println(voltage);

  
   Serial.println(PWM_SET);
   
  voltageString = String(voltage,1);
 
  stringLength = voltageString.length();
  displayVoltage(stringLength);
  delay(100);
}
//}


float readVoltage()
{

   sensorValue = analogRead(sensorPin);
   vout = (sensorValue * 5.0) / 1024.0; 
   vin = vout / (R2/(R1+R2)); 
   return vin;
}


void displayVoltage(int length)
{
 // switch(length)
  {
   // case 3:  Serial.print(voltageString,14,19); break;
  //  case 4:  Serial.print(voltageString,2,19); break;
  //  default:  Serial.print(voltageString,2,19); break;
  }  
   
}

Dmitry__ писал(а):это ненормально