@rubyan

Thanks, i have some trouble with adjusting it. I set the trct5000 when the 6 comes by the led goes on. When i use this sketch from the forum

/**
 * The MySensors Arduino library handles the wireless radio link and protocol
 * between your home built sensors/actuators and HA controller of choice.
 * The sensors forms a self healing radio network with optional repeaters. Each
 * repeater and gateway builds a routing tables in EEPROM which keeps track of the
 * network topology allowing messages to be routed to nodes.
 *
 * Created by Henrik Ekblad <henrik.ekblad@mysensors.org>
 * Copyright (C) 2013-2015 Sensnology AB
 * Full contributor list: https://github.com/mysensors/Arduino/graphs/contributors
 *
 * Documentation: http://www.mysensors.org
 * Support Forum: http://forum.mysensors.org
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 *******************************
 *
 * REVISION HISTORY
 * Version 1.0 - Mark Verstappen
 * 
 * DESCRIPTION
 * Use this sensor to measure volume and flow of your house gasmeter.
 * You need to set the correct pulsefactor of your meter (pulses per m3).
 * The sensor starts by fetching current volume reading from gateway (VAR 1).
 * Reports both volume and flow back to gateway.
 *
 * Unfortunately millis() won't increment when the Arduino is in 
 * sleepmode. So we cannot make this sensor sleep if we also want  
 * to calculate/report flow.
 * http://www.mysensors.org/build/pulse_water
 */

// Enable debug prints to serial monitor
#define MY_DEBUG 

// Enable and select radio type attached
#define MY_RADIO_NRF24
//#define MY_RADIO_RFM69

#include <Time.h>
#include <TimeLib.h>

#include <SPI.h>
#include <MySensor.h>  

#define DIGITAL_INPUT_SENSOR 3                  // The digital input you attached your sensor.  (Only 2 and 3 generates interrupt!)
#define SENSOR_INTERRUPT DIGITAL_INPUT_SENSOR-2        // Usually the interrupt = pin -2 (on uno/nano anyway)

#define PULSE_FACTOR 100                       // Nummber of blinks per m3 of your meter (One rotation/liter)

#define SLEEP_MODE false                        // flowvalue can only be reported when sleep mode is false.

#define MAX_FLOW 0,1                             // Max flow (l/min) value to report. This filters outliers.

#define CHILD_ID 1                              // Id of the sensor child

unsigned long SEND_FREQUENCY = 30000;           // Minimum time between send (in milliseconds). We don't want to spam the gateway.

MyMessage flowMsg(CHILD_ID,V_FLOW);
MyMessage volumeMsg(CHILD_ID,V_VOLUME);
MyMessage lastCounterMsg(CHILD_ID,V_VAR1);

double ppl = ((double)PULSE_FACTOR)/1000;        // Pulses per liter

volatile unsigned long pulseCount = 0;   
volatile unsigned long lastBlink = 0;
volatile double flow = 0;  
boolean pcReceived = false;
unsigned long oldPulseCount = 0;                 
unsigned long newBlink = 0;   
double oldflow = 0;
double volume =0;                     
double oldvolume =550.67;                              // Oude meterstand
unsigned long lastSend =0;
unsigned long lastPulse =0;

void setup()  
{  
  // initialize our digital pins internal pullup resistor so one pulse switches from high to low (less distortion) 
  pinMode(DIGITAL_INPUT_SENSOR, INPUT_PULLUP);
  
  pulseCount = oldPulseCount = 0;

  // Fetch last known pulse count value from gw
  request(CHILD_ID, V_VAR1);

  lastSend = lastPulse = millis();

  attachInterrupt(SENSOR_INTERRUPT, onPulse, FALLING);
}

void presentation()  {
  // Send the sketch version information to the gateway and Controller
  sendSketchInfo("Gas Meter", "1.0");

  // Register this device as Gasflow sensor
  present(CHILD_ID, S_GAS);       
}

void loop()     
{ 
  unsigned long currentTime = millis();
      
  // Only send values at a maximum frequency or woken up from sleep
  if (SLEEP_MODE || (currentTime - lastSend > SEND_FREQUENCY))
  {
    lastSend=currentTime;
    
    Serial.println("--------- Debug void loop ------------");
    
    if (!pcReceived) {
      //Last Pulsecount not yet received from controller, request it again
      request(CHILD_ID, V_VAR1);
      return;
    }

    if (!SLEEP_MODE && flow != oldflow) {
      oldflow = flow;

      Serial.print("m3/min:");
      Serial.println(flow);

      // Check that we dont get unresonable large flow value. 
      // could hapen when long wraps or false interrupt triggered
      if (flow<((unsigned long)MAX_FLOW)) {
        send(flowMsg.set(flow, 2));                   // Send flow value to gw
      }  
    }
  
    // No Pulse count received in 2min 
    if(currentTime - lastPulse > 120000){
      flow = 0;
    } 

    // Pulse count has changed
    if ((pulseCount != oldPulseCount)||(!SLEEP_MODE)) {
      oldPulseCount = pulseCount;
      
      Serial.println("flow:   ");
      Serial.print(flow);
      
//      Serial.println(Time.now()); 
      Serial.print("pulsecount:   ");
      Serial.println(pulseCount);

      send(lastCounterMsg.set(pulseCount));                  // Send  pulsecount value to gw in VAR1

      double volume = ((double)pulseCount/((double)PULSE_FACTOR));     
      if ((volume != oldvolume)||(!SLEEP_MODE)) {
        oldvolume = volume;

        Serial.print("volume:   ");
        Serial.println(volume, 3);
        Serial.println("---------------------------------------------------");
        
        send(volumeMsg.set(volume, 3));               // Send volume value to gw
      } 
    }
  }
  if (SLEEP_MODE) {
    sleep(SEND_FREQUENCY);
  }
}

void receive(const MyMessage &message) {
  if (message.type==V_VAR1) {
    unsigned long gwPulseCount=message.getULong();
    pulseCount += gwPulseCount;
    flow=oldflow=0;
    Serial.println("--------------- Debug void receive ---------------"); 
    Serial.print("Received last pulse count from gw:   ");
    Serial.println(pulseCount);
    Serial.println("---------------------------------------------------");
    pcReceived = true;
  }
}

void onPulse()     
{
  if (!SLEEP_MODE)
  {
    unsigned long newBlink = micros();   
    unsigned long interval = newBlink-lastBlink;
    
    Serial.println("--------------- Debug void onPulse ---------------"); 
//    Serial.println("newblink:   "); 
//    Serial.print(newBlink);
//    Serial.println("interval:   "); 
//    Serial.print(interval);
//    Serial.println();  
    
    if (interval!=0)
    {
      lastPulse = millis();
      if (interval<500000L) {         
        // Sometimes we get interrupt on RISING,  500000 = 0.5sek debounce ( max 120 l/min)
        return;   
      }
      flow = (60000000.0 /interval) / ppl;
      Serial.println("flow = (60000000.0 /interval) / ppl");
      Serial.println(flow);
      Serial.println("---------------------------------------------------");
    }
    lastBlink = newBlink;
  }
  pulseCount++; 
}

The counter goes up but it is still off with the gasmeter. Then i upload you're sketch and the counter doesn't go up and the serial monitor says Stable pin value different!
Can you help?

Could you place the sketch here? Thanks

@Dwalt That was what i needed. It works now :-)

The sketch works only it is sending the motion every second. I only want the sensor to send if there is motion. Who can help me with the code?

#include <MySensor.h>  
#include <SPI.h>

#define DIGITAL_INPUT_SENSOR 3   // The digital input you attached your motion sensor.  (Only 2 and 3 generates interrupt!)
#define INTERRUPT DIGITAL_INPUT_SENSOR-2 // Usually the interrupt = pin -2 (on uno/nano anyway)
#define CHILD_ID 1   // Id of the sensor child

MySensor gw;
// Initialize motion message
MyMessage msg(CHILD_ID, V_TRIPPED);

void setup()  
{  
  // The third argument enables repeater mode.
  gw.begin(NULL, AUTO, true);

  // Send the sketch version information to the gateway and Controller
  gw.sendSketchInfo("Motion Sensor/Repeater", "1.0");

  pinMode(DIGITAL_INPUT_SENSOR, INPUT);      // sets the motion sensor digital pin as input
  // Register all sensors to gw (they will be created as child devices)
  gw.present(CHILD_ID, S_MOTION);
  
}

void loop()     
{     
  // By calling process() you route messages in the background
  gw.process();
  
  // Read digital motion value
  boolean tripped = digitalRead(DIGITAL_INPUT_SENSOR) == HIGH; 
        
  Serial.println(tripped);
  gw.send(msg.set(tripped?"1":"0"));  // Send tripped value to gw 
 
}

Like this
#define INTERRUPT DIGITAL_INPUT_SENSOR-3
#define INTERRUPT DIGITAL_INPUT_SENSOR-4
#define INTERRUPT DIGITAL_INPUT_SENSOR-5

Is this correct?

I use this sketch for a door switch and i wan't to make it battery powered and also wan't to make the arduino go to sleep. Is this possible and how do i do that?
gw.sleep(INTERRUPT,CHANGE, SLEEP_TIME); Doesn't work with interrupt in this sketch

#include <MySensor.h>
#include <SPI.h>
#include <Bounce2.h>


#define CHILD_ID1 3
#define BUTTON_PIN1  3  // Arduino Digital I/O pin for button/reed switch
#define CHILD_ID2 4
#define BUTTON_PIN2  4  // Arduino Digital I/O pin for button/reed switch
#define CHILD_ID3 5
#define BUTTON_PIN3  5  // Arduino Digital I/O pin for button/reed switch



MySensor gw;
Bounce debouncer1 = Bounce(); 
Bounce debouncer2 = Bounce(); // debouncer for the second switch
Bounce debouncer3 = Bounce(); // debouncer for the third switch

int oldValue1=-1;
int oldValue2=-1; // second switch needs to have it's own old state
int oldValue3=-1; // second switch needs to have it's own old state
int BATTERY_SENSE_PIN = A0;  // select the input pin for the battery sense point
unsigned long SLEEP_TIME = 900000; // Sleep time between reports (in milliseconds)
int oldBatteryPcnt = 0;

// Change to V_LIGHT if you use S_LIGHT in presentation below
MyMessage msg1(CHILD_ID1,V_TRIPPED), msg2(CHILD_ID2,V_TRIPPED),msg3(CHILD_ID3,V_TRIPPED);



void setup()  
{  
  gw.begin();

   // use the 1.1 V internal reference
#if defined(__AVR_ATmega2560__)
   analogReference(INTERNAL1V1);
#else
   analogReference(INTERNAL);
#endif
 
  gw.begin();

  // Send the sketch version information to the gateway and Controller
  gw.sendSketchInfo("Door Sensor Battery meter", "1.0");

 // Setup the button
  pinMode(BUTTON_PIN1,INPUT_PULLUP ); // You can assign pinmode and use pullup in one statement.
  pinMode(BUTTON_PIN2,INPUT_PULLUP);
  pinMode(BUTTON_PIN3,INPUT_PULLUP);
  
  // Activate internal pull-up
 // digitalWrite(BUTTON_PIN1,HIGH);
//  digitalWrite(BUTTON_PIN2,HIGH);
//  digitalWrite(BUTTON_PIN3,HIGH);
  
  // After setting up the button, setup debouncer1
  debouncer1.attach(BUTTON_PIN1);
  debouncer1.interval(5);
  debouncer2.attach(BUTTON_PIN2);
  debouncer2.interval(5);
  debouncer3.attach(BUTTON_PIN3);
  debouncer3.interval(5);

  // Register binary input sensor to gw (they will be created as child devices)
  // You can use S_DOOR, S_MOTION or S_LIGHT here depending on your usage. 
  // If S_LIGHT is used, remember to update variable type you send in. See "msg" above.
  gw.present(CHILD_ID1, S_DOOR);
  gw.present(CHILD_ID2, S_DOOR);
  gw.present(CHILD_ID3, S_DOOR);  
}


//  Check if digital input has changed and send in new value
void loop() 
{
  // get the battery Voltage
   int sensorValue = analogRead(BATTERY_SENSE_PIN);
   #ifdef DEBUG
   Serial.println(sensorValue);
   #endif
   
   // 1M, 470K divider across battery and using internal ADC ref of 1.1V
   // Sense point is bypassed with 0.1 uF cap to reduce noise at that point
   // ((1e6+470e3)/470e3)*1.1 = Vmax = 3.44 Volts
   // 3.44/1023 = Volts per bit = 0.003363075
   float batteryV  = sensorValue * 0.003363075;
   int batteryPcnt = sensorValue / 10;

   #ifdef DEBUG
   Serial.print("Battery Voltage: ");
   Serial.print(batteryV);
   Serial.println(" V");

   Serial.print("Battery percent: ");
   Serial.print(batteryPcnt);
   Serial.println(" %");
   #endif

   if (oldBatteryPcnt != batteryPcnt) {
     // Power up radio after sleep
     gw.sendBatteryLevel(batteryPcnt);
     oldBatteryPcnt = batteryPcnt;
   } 
  // Check if the first switch state has changed
  debouncer1.update();
  // Get the update value
  int value = debouncer1.read();
 
  if (value != oldValue1) {
     // Send in the new value
     gw.send(msg1.set(value==HIGH ? 1 : 0));
//     gw.send(msg2.set(value==HIGH ? 1 : 0)); // this is where you turn the second switch in your controller
//     gw.send(msg3.set(value==HIGH ? 1 : 0));  // this is where you turn the third switch in your controller
     oldValue1 = value;
  }
  
  // Check if the 2nd switch state has changed
  debouncer2.update();
  // Get the update value
  value = debouncer2.read(); // no need to redeclare it (I removed int)
 
  if (value != oldValue2) {
     // Send in the new value
//     gw.send(msg1.set(value==HIGH ? 1 : 0));
       gw.send(msg2.set(value==HIGH ? 1 : 0)); // this is where you turn the second switch in your controller
//     gw.send(msg3.set(value==HIGH ? 1 : 0));  // this is where you turn the third switch in your controller
     oldValue2 = value;
  }
  
  // Check if the third switch state has changed
  debouncer3.update();
  // Get the update value
  value = debouncer3.read(); // no need to redeclare it (I removed int)
 
  if (value != oldValue3) {
     // Send in the new value
//     gw.send(msg1.set(value==HIGH ? 1 : 0));
//     gw.send(msg2.set(value==HIGH ? 1 : 0)); // this is where you turn the second switch in your controller
     gw.send(msg3.set(value==HIGH ? 1 : 0));  // this is where you turn the third switch in your controller
     oldValue3 = value;
  }
   // Sleep until interrupt comes in on motion sensor. Send update every two minute. 
  gw.sleep(INTERRUPT,CHANGE, SLEEP_TIME);
} ```

Maybe you van use this http://blog.gummibaer-tech.de/cul-stick-868433-im-selbstbau/
I have buildthis one also and use it in fhem (www.fhem.de)

My setup doesn't work. When i activate the relay directly it works. Pin 3 to ground does nothing. I used the sketch from Moshe. What can i do next?