CT-Uno Lesson: Coin Acceptor

reference


http://shahrulnizam.com/ct-uno-lesson-coin-acceptor/

/*
Project: Coin Acceptor Lesson
Programmer: Shahrulnizam Mat Rejab
Board: Arduino Uno
Last Modified: 27 November 2015
Website: http://shahrulnizam.com
*/

#define pulseTimeout 200              //How many milliseconds there are from the last impulse to the coin is determined
const byte coinValues[3]={10,20,50};  //Coin values goes into this array
unsigned long lastPulse=0;            //When last pulse was send
int pulseCount=0;                     //How many pulses detect
int temp=0;
float total;              

void setup()
{
  Serial.begin(9600);
  attachInterrupt(0, acceptorPulse, RISING); //Digital interrupt pin 2
  Serial.println("Coin Acceptor ready");
}
 
void loop()
{
  if((temp==1)&&(millis()-lastPulse>pulseTimeout))
  {
    if(pulseCount<=3)
    {
      total += 0.01*coinValues[pulseCount-1];
      Serial.print("Total money: RM");
      Serial.println(total);
    }
    pulseCount=0;
    temp=0;
  }
  delay(1);
}
 
void acceptorPulse()
{
  temp=1;
  lastPulse = millis();
  pulseCount++;
}

CT-Uno Lesson: Coin Acceptor

November 28th, 2015  Posted at   Lesson Arduino

   |   No Comments

Coin Acceptor adalah sensor yang boleh mengenal pasti duit syiling. Output nya adalah keluaran pulse mengikut sample duit syiling yang telah disetkan. Boleh dapatkan coin acceptor di cytron.com.my.

Berikut adalah demo menggunakan Coin Acceptor.

Arduino Source Code

/*
Project: Coin Acceptor Lesson
Programmer: Shahrulnizam Mat Rejab
Board: Arduino Uno
Last Modified: 27 November 2015
Website: http://shahrulnizam.com
*/

#define pulseTimeout 200              //How many milliseconds there are from the last impulse to the coin is determined
const byte coinValues[3]={10,20,50};  //Coin values goes into this array
unsigned long lastPulse=0;            //When last pulse was send
int pulseCount=0;                     //How many pulses detect
int temp=0;
float total;            

void setup()
{
  Serial.begin(9600);
  attachInterrupt(0, acceptorPulse, RISING); //Digital interrupt pin 2
  Serial.println("Coin Acceptor ready");
}

void loop()
{
  if((temp==1)&&(millis()-lastPulse>pulseTimeout))
  {
    if(pulseCount<=3)
    {
      total += 0.01*coinValues[pulseCount-1];
      Serial.print("Total money: RM");
      Serial.println(total);
    }
    pulseCount=0;
    temp=0;
  }
  delay(1);
}

void acceptorPulse()
{
  temp=1;
  lastPulse = millis();
  pulseCount++;
}