https://padlet.com/anapaulamorim0603/8nnoou2pd5co Feito com grandes sonhos en-us 2019-04-19 16:55:51 UTC 2026-01-21 23:38:47 UTC hello@padlet.com raqueldepaulaanjos https://padlet.com/anapaulamorim0603/8nnoou2pd5co/wish/354314443 2019-04-26 00:43:30 UTC https://padlet.com/anapaulamorim0603/8nnoou2pd5co/wish/354314443 anapaulamorim0603 https://padlet.com/anapaulamorim0603/8nnoou2pd5co/wish/366268677 int pos = 0;

void setup()
{
  pinMode(2, INPUT);
  pinMode(8, OUTPUT);
  pinMode(3, INPUT);
  pinMode(4, INPUT);
  pinMode(5, INPUT);
  pinMode(6, INPUT);
  pinMode(7, INPUT);
  pinMode(9, INPUT);
}

void loop()
{
  // if button press on 2 is detected
  if (digitalRead(2) == HIGH) {
    tone(8, 261, 100); 
  }
  if (digitalRead(3) == HIGH) {
    tone(8, 294, 100); 
  }
  if (digitalRead(4) == HIGH) {
    tone(8, 329, 100); 
  }
  if (digitalRead(5) == HIGH) {
    tone(8, 349, 100);
  }
  if (digitalRead(6) == HIGH) {
    tone(8, 392, 100);
  }
  if (digitalRead(7) == HIGH) {
    tone(8, 440, 100);
  }
  if (digitalRead(9) == HIGH) {
    tone(8, 493, 100);
  }
  delay(10); 
}]]> 2019-06-07 03:28:46 UTC https://padlet.com/anapaulamorim0603/8nnoou2pd5co/wish/366268677 anapaulamorim0603 https://padlet.com/anapaulamorim0603/8nnoou2pd5co/wish/366269120 2019-06-07 03:33:37 UTC https://padlet.com/anapaulamorim0603/8nnoou2pd5co/wish/366269120 anapaulamorim0603 https://padlet.com/anapaulamorim0603/8nnoou2pd5co/wish/368546142 2019-06-20 20:11:05 UTC https://padlet.com/anapaulamorim0603/8nnoou2pd5co/wish/368546142 anapaulamorim0603 https://padlet.com/anapaulamorim0603/8nnoou2pd5co/wish/369629776 #include <LiquidCrystal.h> 
#include <Keypad.h> /

const byte numLinhas= 4; 
const byte numColunas= 3; 


char mapaTeclado[numLinhas][numColunas]=
{
 {'1', '2', '3'},
 {'4', '5', '6'},
 {'7', '8', '9'},
 {'*', '0', '#'}
 };

byte pinosLinhas[numLinhas] = { 0, 1, 2, 3 };
byte pinosColunas[numColunas]=  { 4, 5, 6 }; 

Keypad kpd = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS ); 

LiquidCrystal lcd(A0, A1, A2, A3, A4, A5);

 long Num1,Num2,Number;
 char key,action;
 boolean result = false;
 
void setup() {
  lcd.begin(16, 2); 
  lcd.print(""Padlet""); 
  lcd.setCursor(0, 1);   
  lcd.print("Calculadora"); 

   delay(2000); 
    lcd.clear();
}

void loop() {
  
key = kpd.getKey(); 

if (key!=NO_KEY)
DetectButtons();

if (result==true)
CalculateResult();

DisplayResult();   
}

void DetectButtons()
{ 
     lcd.clear(); 
    if (key=='*') /
    {Serial.println ("Button Cancel"); Number=Num1=Num2=0; result=false;}
    
     if (key == '1') 
    {Serial.println ("Button 1"); 
    if (Number==0)
    Number=1;
    else
    Number = (Number*10) + 1; 
    }
    
     if (key == '4') 
    {Serial.println ("Button 4"); 
    if (Number==0)
    Number=4;
    else
    Number = (Number*10) + 4; 
    }
    
     if (key == '7') 
    {Serial.println ("Button 7");
    if (Number==0)
    Number=7;
    else
    Number = (Number*10) + 7; 
    } 
  

    if (key == '0')
    {Serial.println ("Button 0"); 
    if (Number==0)
    Number=0;
    else
    Number = (Number*10) + 0; 
    }
    
     if (key == '2') 
    {Serial.println ("Button 2"); 
     if (Number==0)
    Number=2;
    else
    Number = (Number*10) + 2; 
    }
    
     if (key == '5')
    {Serial.println ("Button 5"); 
     if (Number==0)
    Number=5;
    else
    Number = (Number*10) + 5; 
    }
    
     if (key == '8')
    {Serial.println ("Button 8"); 
     if (Number==0)
    Number=8;
    else
    Number = (Number*10) + 8; 
    }   
  
if (key == '##')
    {Serial.println ("Button Equal"); 
    Num2=Number;
    result = true;
    
    }
    
     if (key == '3')
    {Serial.println ("Button 3"); 
     if (Number==0)
    Number=3;
    else
    Number = (Number*10) + 3; 
    }
    
     if (key == '6')
    {Serial.println ("Button 6"); 
    if (Number==0)
    Number=6;
    else
    Number = (Number*10) + 6; 
    }
    
     if (key == '9')
    {Serial.println ("Button 9");
    if (Number==0)
    Number=9;
    else
    Number = (Number*10) + 9; 
    }  

      if (key == '#' || key == '*') 
  {
    Num1 = Number;    
    Number =0;
    if (key == '#')
    {Serial.println ("Addition"); action = '+';}
    if (key == '*')
    {Serial.println ("Multiplication"); action = '*';}
    delay(100);
  }
  
}

void CalculateResult()
{
  if (action=='+')
    Number = Num1+Num2;

  if (action=='*')
    Number = Num1*Num2;
}

void DisplayResult()
{
  lcd.setCursor(0, 0);   
  lcd.print(Num1); lcd.print(action); lcd.print(Num2); 
  
  if (result==true)
  {lcd.print(" ="); lcd.print(Number);}
  
  lcd.setCursor(0, 1);   
  lcd.print(Number);
}]]> 2019-06-29 03:39:19 UTC https://padlet.com/anapaulamorim0603/8nnoou2pd5co/wish/369629776