Garage door controller/checker

[Corvl]

Time to think bout a new project.

The comming months I am building a new garage . I want to controll and check the garage via my vera3. Option is to buy a universal sensor and fibaro relais , but why not with my sensor stuff?

What does it need to do:
-open en close the garage >> via a relais what closes the contacts momentarely ( 1 or 2 seconds)
-checks if the garage is open , closed or in transit: via reed switches ; one on the open opsition and one on the closed position. >> sketch will be door sensor/siwtch.
-sensor to check if the entrance/garage door is clear to close , or emergency stop when "the beam" is interupted. >> No idea what this is called , but I guess the sketch will be like the "door sensor/ switch" .
-temperature sensor. >> ( Dallas DS18B20).

What do you guys think? Is this possible? , on an arduino nano 3x reed switches and a temperature sensor?

I allready have a sketch here for 1 temperature sensor and 1 reed switch:

This one has not the IRQ pin on the radio connected , on pin 2 is a reed sensor. Can this sketch easily be adapted for 3 reedswitches and also have a relais attached?

One of the reed switches needs to be "inversed", when the contact is closed, it actually has to say "garage open".

Thanks,
Cor

// Example sketch showing how to send in OneWire temperature readings
#include <MySensor.h>  
#include <SPI.h>
#include <DallasTemperature.h>
#include <OneWire.h>

#define ONE_WIRE_BUS 3 // Pin where dallase sensor is connected 
#define MAX_ATTACHED_DS18B20 16
#define CHILD_ID_SWITCH 17
#define BUTTON_PIN  2  // Arduino Digital I/O pin for button/reed switch




unsigned long SLEEP_TIME = 30000; // Sleep time between reads (in milliseconds)
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);
MySensor gw;
float lastTemperature[MAX_ATTACHED_DS18B20];
int numSensors=0;
boolean receivedConfig = false;
boolean metric = true; 

int oldValue=-1;

// Initialize temperature message
MyMessage msgTemp(0,V_TEMP);
MyMessage msgButton(CHILD_ID_SWITCH,V_TRIPPED);

void setup()  
{ 
  // Startup OneWire 
  sensors.begin();

  // Startup and initialize MySensors library. Set callback for incoming messages. 
  gw.begin(); 

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

  // Fetch the number of attached temperature sensors  
  numSensors = sensors.getDeviceCount();

  // Present all sensors to controller
  for (int i=0; i<numSensors && i<MAX_ATTACHED_DS18B20; i++) {   
     gw.present(i, S_TEMP);
  }
  
  
  // INIT SWITCH
  pinMode(BUTTON_PIN,INPUT);
  // Activate internal pull-up
  digitalWrite(BUTTON_PIN,HIGH);
  gw.present(CHILD_ID_SWITCH, S_DOOR);
}


void loop()     
{     
  // Process incoming messages (like config from server)
  gw.process(); 

  // Fetch temperatures from Dallas sensors
  sensors.requestTemperatures(); 

  // Read temperatures and send them to controller 
  for (int i=0; i<numSensors && i<MAX_ATTACHED_DS18B20; i++) {
 
    // Fetch and round temperature to one decimal
    float temperature = static_cast<float>(static_cast<int>((gw.getConfig().isMetric?sensors.getTempCByIndex(i):sensors.getTempFByIndex(i)) * 10.)) / 10.;
 
    // Only send data if temperature has changed and no error
    if (lastTemperature[i] != temperature && temperature != -127.00) {
 
      // Send in the new temperature
      gw.send(msgTemp.setSensor(i).set(temperature,1));
      lastTemperature[i]=temperature;
    }
  }
  
  
    // READ SWITCH STATUS
  // Get the update value
  int value = digitalRead(BUTTON_PIN);
 
  // Send in the new value
     gw.send(msgButton.set(value==HIGH ? 1 : 0));
  
  gw.sleep(BUTTON_PIN-2, CHANGE, SLEEP_TIME);
}

[korttoma]

I made a garagedoor node some time ago maybe you can find my post about it usefull.

http://forum.micasaverde.com/index.php/topic,22334.0.html

here is the current sketch I use.

https://codebender.cc/sketch:44742

[Corvl]

Awesome Kortoma,

That is a very good start. Thanks for this.
When I read through the sketch ( and what I understand from it), it is not possible to have the reed switches 1 "normal" and another one "inversed"? it is both switches have to act the same?

Will it be difficult to add another switch to act as a "beam" to sense if the door is clear to close it?

Can a temperature sensor be added?

Thanks,
Cor

[jsondag]

I built this controller using the above code (plus atshasoft signing), and it works great when connected to computer's usb port, but doesn't work when connected to either a USB power adapter, a 12v input on the VIN pin, or 5V on the 5V pin. I'm not sure what could be the issue here. I'm using an arduino nano.

EDIT:
Ignore my stupidity. When you hook up the radio to the 5V instead of the 3.3v output only a PC has a low enough voltage for the (somehow not fried) radio to work. Connecting to the 3v3 works...

[BulldogLowell]

@jsondag said:

somehow not fried

lucky!

[p0lar]

how about adding an ultrasonic sensor to tell if your car is IN the garage or not?