MYSENSORS Zählermodul für Gaszähler API 2.0

Hier schon einmal der Sketch. Mit ihm erzeuge ich die Zählimpulse in MYSENSORS. In FHEM verwende ich dann das Modul Gascalculator zur weiteren Berechnung. Als Kontakt verwende ich einen einfach Reedkontakt.

 * 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 <>
 * Copyright (C) 2013-2015 Sensnology AB
 * Full contributor list:
 * Documentation:
 * Support Forum:
 * 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.
 * Simple binary switch example 
 * Connect button or door/window reed switch between 
 * digitial I/O pin 3 (BUTTON_PIN below) and GND.
#define MY_RADIO_NRF24

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

#define CHILD_ID 3
#define BUTTON_PIN  3  // Arduino Digital I/O pin for button/reed switch

 Bounce debouncer = Bounce(); 
int oldValue=-1;

// Change to V_LIGHT if you use S_LIGHT in presentation below
MyMessage msg(CHILD_ID,V_TRIPPED);

void setup()  

  // Setup the button
  // Activate internal pull-up
  // After setting up the button, setup debouncer
void presentation(){
sendSketchInfo("DOOR", "v0.1");
  // 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.
 present(CHILD_ID, S_DOOR);  

//  Check if digital input has changed and send in new value
void loop() 
  // Get the update value
  int value =;
  if (value != oldValue) {
     // Send in the new value
     send(msg.set(value==HIGH ? 1 : 0));
     oldValue = value;

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