Muchisimas gracias por vuestra ayuda.

Estoy "empapandome" toda la información y con vuestra ayuda y lo leido,esta todo mas claro.

Muchas gracias de nuevo.

un saludo!

No creas,desde mi punto de vista,el "problema" es que se entienda el arduino receptor con el automata....

Hola a todos.

Estoy pensando en un proyecto para una empresa con arduino y con xbee.
El proyecto consiste en monitorizar via xbee un caudalimetro y un sensor de ultrasonidos para medir nivel y poder enviar toda la informacion a un PLC con entradas analogicas y digitales. El nivel de ultrasonidos,tiene una salida de 4-20mA y otra profibus. El caudalimetro tiene salida 4-20mA tambien y profibus.

Alguien me puede iluminar de como poder comunicarlo todo?

Gracias anticipadas.

Un saludo.

Hola a todos.
En mi proyecto,tengo un lcd con un teclado,en el cual hay un cuenta regresiva,si se introduce el codigo correcto,la cuenta atras se para y se tendria que reiniciar,osea,volver al estado principal,y no lo hace,reconoce el codigo pero sigue la cuenta atras. me podeis ayudar??
Tambien en cada segundo va sonando un pip y al llegar el contador a cero hace otro sonido,pero si en mi codigo,quito el comentario a los tone,en el display me salen caracteres raros...a ver que se puede hacer.

dejo el codigo:

Code:

#include <Keypad.h>
#include <LiquidCrystal.h>
#define pound 14
#define LED_RED 0
#define LED_GREEN 1
#define KP_ROWS 4
#define KP_COLS 3

unsigned int timerSeconds = 300; // start with 5 minutes on the clock
byte password[4];
byte entered[4];
int currentLength = 0;
byte i = 0;

LiquidCrystal lcd(8, 9, 4, 5, 6, 7);

//Keypad
char keys[KP_ROWS][KP_COLS] = {
  {'1','2','3'},
  {'4','5','6'},
  {'7','8','9'},
  {'*','0','#'},
};
byte rowPins[KP_ROWS] = { 15, 2, 19, 17 }; //connect to the row pinouts of the keypad {18, 2, 14, 16}
byte colPins[KP_COLS] = { 16, 14, 18 }; //connect to the column pinouts of the keypad {17, 19, 15}
Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, KP_ROWS, KP_COLS);

char key;

//LCD setup
void setup() {
pinMode(LED_RED, OUTPUT); // sets the digital pin as output
pinMode(LED_GREEN, OUTPUT); // sets the digital pin as output
lcd.begin(16, 2);
lcd.print("Entre codigo: ");
lcd.cursor();
lcd.setCursor(6, 1);
while (currentLength < 4) {
key = keypad.getKey();
if (key != NO_KEY) {
lcd.print(key);
password[currentLength] = key;
currentLength++;
lcd.setCursor(currentLength + 6, 1);
} else delay(100); // only sample it every 1/10 sec, no need to go apesh!t
}
lcd.noCursor();
lcd.clear();
lcd.print("A introducido: ");
lcd.setCursor(6, 1);
lcd.print(password[0],DEC);
lcd.print(password[1],DEC);
lcd.print(password[2],DEC);
lcd.print(password[3],DEC);
delay(2500);
lcd.clear();
currentLength = 0;
}

void loop() {
lcd.clear();
lcd.print("Entre codigo: ");
lcd.cursor();
key = keypad.getKey(); // get the key once per this loop
if (key != NO_KEY) {
lcd.setCursor(0, 1);
lcd.print("               ");
lcd.setCursor(6, 1);
while (currentLength < 4) {
// here, we take the key that broke us into this "if" statement, instead of discarding it. this also pauses the timer, effectively.
if (key != NO_KEY) { // redundant for the first loop, but necessary for every next character
lcd.setCursor(currentLength + 5, 1);
lcd.print("*");
lcd.setCursor(currentLength + 6, 1);
lcd.print(key);
entered[currentLength] = key;
currentLength++;
} else delay(100); // only sample it every 1/10 sec
key = keypad.getKey(); // get the key every time "while" loops
}
if (memcmp(entered,password,4) == 0) { // shortcut to compare an array of bytes, use memcmp(A, B, length), will return 0 if match.
lcd.noCursor();
lcd.clear();
lcd.print(" Desarmada ");
lcd.setCursor(0, 1);
lcd.print("Reseteando Bomba");
delay(2500); // hold that on screen for 2.5 seconds
currentLength = 0;
} else {
lcd.noCursor();
lcd.clear();
lcd.print(" Incorrecto ");
lcd.setCursor(0, 1);
lcd.print(" Tiempo -0:60"); // Display time penalty
if (timerSeconds > 60) timerSeconds -= 0;
else timerSeconds = 1; // will trigger BOOM next cycle
currentLength = 0;
delay(2500); // hold that on screen for 2.5 seconds
}
}
timer(); // prints current time on screen, checks for "go off" time, holds loop for 1 second
}

void timer() {
lcd.setCursor(0, 1); // sets cursor to 2nd line
lcd.print("Tiempo: ");
lcd.print(timerSeconds / 60); // integer number of minutes on clock
lcd.print(":");
lcd.print(timerSeconds % 60); // mod 60; gives us number of seconds outside of 60sec/min
delay(950); // hold us here for 0.950 seconds
digitalWrite(LED_GREEN,!digitalRead(LED_GREEN)); // toggle the green LED once a second
//tone(9,784, 200); // play bleep for 50ms
delay(50); // and there's the rest of that 1 second (not counting LCD delay)

timerSeconds--;
if (timerSeconds == 0) bombomb();
}
void bombomb() {
// routine for making ze BOMB GOEZ OFF!!!1 :D
lcd.noCursor();
lcd.clear();
lcd.print(" !BoOo0o0o0om! ");
//tone(9,110, 200);
digitalWrite(LED_RED, HIGH); // sets the red LED on
delay(500); // waits half a second
//tone(9,110, 200);
delay(500); // waits half a second
digitalWrite(LED_RED, LOW); // sets the red LED off
digitalWrite(LED_GREEN, HIGH); // sets the green LED on
//tone(9,110, 200);
delay(500); // waits half a second
digitalWrite(LED_RED, HIGH); // sets the red LED on
digitalWrite(LED_GREEN, LOW); // sets the green LED off
//tone(9,110, 200);
delay(500); // waits half a second
digitalWrite(LED_RED, LOW); // sets the red LED off
digitalWrite(LED_GREEN, HIGH); // sets the green LED on
//tone(9,110, 200);
delay(500); // waits half a second
digitalWrite(LED_GREEN, LOW); // sets the green LED off
key = NO_KEY; // enter the while() loop, otherwise it'll skip. i could use do { } while();, but I'm lazy.
while (key == NO_KEY) {
key = keypad.getKey();
if (key == '#') {
lcd.clear();
lcd.print("Reseteando Bomba");
delay(2500); // good ole' 2.5 sec delay
timerSeconds = 300; // put 5 minutes on the clock
// and we break the loop and go back to timer.
} else key = NO_KEY; // continue looking for pound key
}
}

http://www.instructables.com/id/Prop-bomb/

thanks for your quick response but the tool tells me that there are too many brackets left and I do not do anything.
I copied the code of a web arduino and my level is still too low.
I could help a little more in the solution?
Thanks again and best regards.

hi
first, sorry for my English.
I'm trying to mount a simulated bomb, when compiling I get the error "was not delcared key4 In This scope"
Code many times I've looked and can not find the problem.

Code:

/*Airsoft Bomb
Version 1.1Creators:
Chase Cooley&&&&&&&&&&&&
Joey Meyer*/

#include <Keypad.h>
#include <LiquidCrystal.h>
#include <Tone.h>
#define pound 14
Tone tone1;int Scount = 0; // count seconds
int Mcount = 0; // count minutesint Hcount =0; // count hours
int Dcount = 0; // count daysint val = 0;
long secMillis = 0; // store last time for second addlong interval = 1000; // interval for seconds
char password[4];int currentLength = 0;
int i = 0;char entered[4];
int ledPin = 3;
int ledPin2 = 4;//red lightint ledPin2 = 4; //green light

LiquidCrystal lcd(7,8,10,11,12,13);const byte ROWS = 4; //four rows
const byte COLS = 3; //three columnschar keys[ROWS][COLS] = {
char keys[ROWS][COLS] = {
{'1','2','3'},{'4','5','6'},
{'7','8','9'},{'*','0','#'}
};
byte rowPins[ROWS] = {18, 2, 14, 16}; //connect to the row pinouts of the keypadbyte colPins[COLS] = {17, 19, 15}; //connect to the column pinouts of the keypad
byte colPins[COLS] = {17, 19, 15};

Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );
void setup(){
pinMode(ledPin, OUTPUT); // sets the digital pin as outputpinMode(ledPin2, OUTPUT); // sets the digital pin as output
tone1.begin(9);lcd.begin(16, 2);
Serial.begin(9600);lcd.clear();
lcd.setCursor(0,0);lcd.print("Enter Code: ");
while (currentLength < 4){
lcd.setCursor(currentLength + 6, 1);lcd.cursor();
char key = keypad.getKey();key == NO_KEY;
if (key != NO_KEY){
lcd.print(key);password[currentLength] = key;
currentLength++;delay(200);
}}
if (currentLength == 4){
lcd.noCursor();lcd.clear();
lcd.home();lcd.print("You've Entered: ");
lcd.setCursor(6,1);lcd.print(password[0]);
lcd.print(password[1]);lcd.print(password[2]);
lcd.print(password[3]);delay(3000);
lcd.clear();currentLength = 0;
}}

void loop(){
char key2 = keypad.getKey(); // get the keylcd.setCursor(0,0);
timer();if (key2 != NO_KEY)
{while (key2 == NO_KEY)
{key2 = keypad.getKey();
}if (key2 != NO_KEY)
{lcd.clear();
lcd.setCursor(0,0);lcd.print("Enter Code: ");
while (currentLength < 4){
lcd.setCursor(currentLength + 6, 1);lcd.cursor();
char key2 = keypad.getKey();if (key2 != NO_KEY)
{lcd.print(key2);
entered[currentLength] = key2;currentLength++;
delay(200);lcd.noCursor();
lcd.setCursor(currentLength + 5, 1);lcd.print("*");
lcd.setCursor(currentLength + 6, 1);lcd.cursor();
}}
if (currentLength == 4){
if (entered[0] == password[0] && entered[1] == password[1] && entered[2] == password[2] && entered[3] == password[3]){
lcd.noCursor();lcd.clear();
lcd.home();lcd.print(" Defused ");
currentLength = 0;delay(2500);
lcd.setCursor(0,1);lcd.print("Reset the Bomb");
}else
{lcd.noCursor();
lcd.clear();lcd.home();
lcd.print(" Wrong ");lcd.setCursor(0,1);
lcd.print(" Add - 1:30 ");if (Mcount < 14)
{Mcount = Mcount + 1;
}if (Scount < 59)
{Scount = Scount + 30;
}delay(1500);
currentLength = 0;}
}}
}}

void timer(){
if ( Mcount >= 15 ){
while ( Mcount >= 15){
lcd.noCursor();lcd.clear();
lcd.home();lcd.print(" !BoOm! ");
tone1.play(NOTE_A2, 200);digitalWrite(ledPin, HIGH); // sets the LED on
tone1.play(NOTE_A2, 200);delay(10); // waits for a second
digitalWrite(ledPin, LOW); // sets the LED offtone1.play(NOTE_A2, 200);
delay(10); // waits for a seconddigitalWrite(ledPin2, HIGH); // sets the LED on
tone1.play(NOTE_A2, 200);delay(10); // waits for a second
digitalWrite(ledPin2, LOW); // sets the LED offtone1.play(NOTE_A2, 200);
delay(10);// waits for a secondchar key4 = keypad.getKey();
if (key4 != NO_KEY){
while (key4 == NO_KEY){
key4 = keypad.getKey();}
if (key4 = '#'){
lcd.clear();lcd.print("Reset the Bomb");
}}
}if ( Mcount == 60) // if Mcount is 60 do this operation
{//delay (32); // good place to fine tune timing
Mcount = 0; // reset McountHcount ++;
}if (Hcount> 23)
{Dcount++;
Hcount = 0; // have to reset Hcount to "0" after 24hrs}

lcd.setCursor (0,1); // sets cursor to 2nd linelcd.print ("Timer: ");
lcd.print (Dcount);lcd.print (":");
lcd.print (Hcount);lcd.print (":");
lcd.print (Mcount);lcd.print (":");
lcd.print (Scount);
if (Scount >59) // if 60 do this operation{
Mcount ++; // add 1 to McountScount = 0; // reset Scount
//delay (58); // changes ms per min}
if (Scount < 60) // do this oper. 59 times{
unsigned long currentMillis = millis();//delay (988); // changing by one = 60 ms a min
if(currentMillis - secMillis > interval){
tone1.play(NOTE_G5, 200);secMillis = currentMillis;
Scount ++; // add 1 to ScountdigitalWrite(ledPin2, HIGH); // sets the LED on
delay(10); // waits for a seconddigitalWrite(ledPin2, LOW); // sets the LED off
delay(10); // waits for a second}
}}