Multisensor PIR problem [solved]

[n3ro]

Hey Folks,

i have some problems with my battery powered arduino mini.

When i use my sketch, the PIR doesn't signal present right. Only sometime i get a signal.

https://github.com/n3roGit/MySensors_n3ro/tree/master/MotionSensor_DHT_light_battery_mod

But when i use this (simple) sketch with only PIR it works like charm.

https://github.com/n3roGit/Arduino-home-automation/tree/master/2.4Ghz (MySensors)/Arduino/PirSleepBattery

Any ideas whats wrong?

Regards,
n3ro

[andriej]

" delay(dht.getMinimumSamplingPeriod());" is the problem - it delays whole sketch every run of loop()

[n3ro]

PERFECT!!!!!!!!!!! It works now :):):)

Big THX!

[n3ro]

@andriej hey,

the PIR works perfect now, but the DHT didnt update... Only the first startup of the arduino works:

---------- Battery: 100
---------- PIR: 1
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:1
send: 10-10-0-0 s=3,c=1,t=0,pt=7,l=5,st=ok:20.5
---------- Temp: 20.50
send: 10-10-0-0 s=2,c=1,t=1,pt=7,l=5,st=ok:34.6
---------- Humidity: 34.60
send: 10-10-0-0 s=4,c=1,t=23,pt=2,l=2,st=ok:87
---------- Light: 87
---------- Battery: 100
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:0
---------- Battery: 100
---------- PIR: 1
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:1
send: 10-10-0-0 s=4,c=1,t=23,pt=2,l=2,st=ok:84
---------- Light: 84
---------- Battery: 100
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:0
send: 10-10-0-0 s=4,c=1,t=23,pt=2,l=2,st=ok:88
---------- Light: 88
---------- Battery: 100
---------- PIR: 1
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:1
send: 10-10-0-0 s=4,c=1,t=23,pt=2,l=2,st=ok:83
---------- Light: 83
---------- Battery: 100
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:0
send: 10-10-0-0 s=4,c=1,t=23,pt=2,l=2,st=ok:87
---------- Light: 87
---------- Battery: 100
---------- PIR: 1

[Sparkman]

@n3ro the DHT needs a delay between polling. You are likely polling it too fast now. Rather than remove the delay command, you need to use a different method to not poll the DHT too frequently. The millis command is one option: http://www.arduino.cc/en/Tutorial/BlinkWithoutDelay

Cheers
Al

[n3ro]

ufff. to build a multisensor sketch is really hard

thx for your info!

[n3ro]

can somebody help me with my sketch? i dont understand millis

[Sparkman]

@n3ro Hard to help you with your sketch since you don't have it posted

[n3ro]

@n3ro said:

https://github.com/n3roGit/MySensors_n3ro/tree/master/MotionSensor_DHT_light_battery_mod

[torfinn]

Hi ! I had the same problem. Seems like gw.sleep(some_number_of_mills); lets you loose the init of the dht. Just put dht.begin(); in your loop before you read the value and it should work.

example.
void loop ()
{
dht.begin();
float temperature = dht.readTemperature();
......

[n3ro]

@torfinn said:

dht.begin();

Hey torfinn,

i get this error when compiling:
MotionSensor_DHT_light_battery_mod.ino: In function 'void loop()':
MotionSensor_DHT_light_battery_mod.ino:109:7: error: 'class DHT' has no member named 'begin'
Fehler beim Kompilieren.

[n3ro]

I have a idea,

is it possible to build a second loop like this?
But now i have one problem... the loop2 never run...

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

#include <Scheduler.h>




#define NODE_ID 11                       // ID of node
unsigned long SLEEP_TIME = 600000;        // Sleep time between reports (in milliseconds)

#define CHILD_ID_PIR 1                   // Id of the sensor PIR
#define CHILD_ID_HUM 2                   // Id of the sensor HUM
#define CHILD_ID_TEMP 3                  // Id of the sensor TEMP
#define CHILD_ID_LIGHT 4                 // Id of the sensor LIGHT

#define PIR_SENSOR_DIGITAL 3           // The digital input you attached your motion sensor.  (Only 2 and 3 generates interrupt!)
#define INTERRUPT PIR_SENSOR_DIGITAL-2 // Usually the interrupt = pin -2 (on uno/nano anyway)
#define HUMIDITY_SENSOR_DIGITAL_PIN 2
#define LIGHT_SENSOR_ANALOG_PIN 0

MySensor gw;
// Initialize Variables
MyMessage msgPir(CHILD_ID_PIR, V_TRIPPED);
MyMessage msgHum(CHILD_ID_HUM, V_HUM);
MyMessage msgTemp(CHILD_ID_TEMP, V_TEMP);
MyMessage msgLight(CHILD_ID_LIGHT, V_LIGHT_LEVEL);

DHT dht;
float lastTemp;
float lastHum;
boolean metric = true;
int oldBatteryPcnt;
int lastLightLevel;
unsigned long time;


int MIN_V = 2700; // empty voltage (0%)
int MAX_V = 3200; // full voltage (100%)

void setup()
{
  gw.begin(NULL, NODE_ID, false);

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

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

  //DHT
  dht.setup(HUMIDITY_SENSOR_DIGITAL_PIN);

  // Send the Sketch Version Information to the Gateway
  gw.sendSketchInfo("Humidity", "1.0");

  // Register all sensors to gw (they will be created as child devices)
  gw.present(CHILD_ID_HUM, S_HUM);
  gw.present(CHILD_ID_TEMP, S_TEMP);

  metric = gw.getConfig().isMetric;

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

  // Register all sensors to gateway (they will be created as child devices)
  gw.present(CHILD_ID_LIGHT, S_LIGHT_LEVEL);
  
  Scheduler.startLoop(loop2);

}

void loop()
{
  // Read digital motion value
  boolean tripped = digitalRead(PIR_SENSOR_DIGITAL) == HIGH;
  Serial.print("---------- PIR: ");
  Serial.println(tripped);
  gw.send(msgPir.set(tripped ? "1" : "0")); // Send tripped value to gw

  // Sleep until interrupt comes in on motion sensor. Send update every two minute.
  gw.sleep(INTERRUPT, CHANGE, SLEEP_TIME);
}
void loop2()
{
  //DHT
  //dht.begin();
  delay(dht.getMinimumSamplingPeriod());
  //delay(1000);
  //millis(dht.getMinimumSamplingPeriod());
  //Serial.print(dht.getMinimumSamplingPeriod());

  float temperature = dht.getTemperature();
  if (isnan(temperature)) {
    Serial.println("Failed reading temperature from DHT");
  } else if (temperature != lastTemp) {
    lastTemp = temperature;
    if (!metric) {
      temperature = dht.toFahrenheit(temperature);
    }
    gw.send(msgTemp.set(temperature, 1));
    Serial.print("---------- Temp: ");
    Serial.println(temperature);
  }

  float humidity = dht.getHumidity();
  if (isnan(humidity)) {
    Serial.println("Failed reading humidity from DHT");
  } else if (humidity != lastHum) {
    lastHum = humidity;
    gw.send(msgHum.set(humidity, 1));
    Serial.print("---------- Humidity: ");
    Serial.println(humidity);
  }

  // Light
  int lightLevel = (1023 - analogRead(LIGHT_SENSOR_ANALOG_PIN)) / 10.23;
  //Serial.println(lightLevel);
  if (lightLevel != lastLightLevel) {
    gw.send(msgLight.set(lightLevel));
    lastLightLevel = lightLevel;
    Serial.print("---------- Light: ");
    Serial.println(lightLevel);
  }

  // Measure battery
  float batteryV = readVcc();
  int batteryPcnt = (((batteryV - MIN_V) / (MAX_V - MIN_V)) * 100 );
  if (batteryPcnt > 100) {
    batteryPcnt = 100;
  }

  if (batteryPcnt != oldBatteryPcnt) {
    gw.sendBatteryLevel(batteryPcnt); // Send battery percentage
    oldBatteryPcnt = batteryPcnt;
  }
  Serial.print("---------- Battery: ");
  Serial.println(batteryPcnt);
  gw.sleep(SLEEP_TIME);
}

i have downloaded THIS

But i get this error when compiling:

In file included from MotionSensor_DHT_light_battery_mod.ino:6:0:
Arduino\libraries\Scheduler/Scheduler.h:33:22: fatal error: WProgram.h: No such file or directory
#include <WProgram.h>

[rvendrame]

@n3ro , you can have only one loop().

You need to merge the two logics into into a single loop. You might also want to remove the second sleep, otherwise PIR will not trigger there.

[n3ro]

@rvendrame do you have an idea how to do it?

[rvendrame]

Maybe you can start by to removing these 3 lines:

}
void loop2()
{

... and move the 1st sleep to the end of loop (where the 2nd sleep is):

// Sleep until interrupt comes in on motion sensor. Send update every two minute.
 gw.sleep(INTERRUPT, CHANGE, SLEEP_TIME);

.... and remove the 2nd sleep:

gw.sleep(SLEEP_TIME);

[n3ro]

@rvendrame
if i use this:

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


#define NODE_ID 10                       // ID of node
unsigned long SLEEP_TIME = 600000;        // Sleep time between reports (in milliseconds)

#define CHILD_ID_PIR 1                   // Id of the sensor PIR
#define CHILD_ID_HUM 2                   // Id of the sensor HUM
#define CHILD_ID_TEMP 3                  // Id of the sensor TEMP
#define CHILD_ID_LIGHT 4                 // Id of the sensor LIGHT

#define PIR_SENSOR_DIGITAL 3           // The digital input you attached your motion sensor.  (Only 2 and 3 generates interrupt!)
#define INTERRUPT PIR_SENSOR_DIGITAL-2 // Usually the interrupt = pin -2 (on uno/nano anyway)
#define HUMIDITY_SENSOR_DIGITAL_PIN 2
#define LIGHT_SENSOR_ANALOG_PIN 0

MySensor gw;
// Initialize Variables
MyMessage msgPir(CHILD_ID_PIR, V_TRIPPED);
MyMessage msgHum(CHILD_ID_HUM, V_HUM);
MyMessage msgTemp(CHILD_ID_TEMP, V_TEMP);
MyMessage msgLight(CHILD_ID_LIGHT, V_LIGHT_LEVEL);

DHT dht;
float lastTemp;
float lastHum;
boolean metric = true;
int oldBatteryPcnt;
int lastLightLevel;


int MIN_V = 2700; // empty voltage (0%)
int MAX_V = 3200; // full voltage (100%)

void setup()
{
  gw.begin(NULL, NODE_ID, false);

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

  pinMode(PIR_SENSOR_DIGITAL, INPUT);      // sets the motion sensor digital pin as input
  digitalWrite(PIR_SENSOR_DIGITAL, HIGH);
  // Register all sensors to gw (they will be created as child devices)
  gw.present(CHILD_ID_PIR, S_MOTION);
  
  //DHT
  dht.setup(HUMIDITY_SENSOR_DIGITAL_PIN);

  // Send the Sketch Version Information to the Gateway
  gw.sendSketchInfo("Humidity", "1.0");

  // Register all sensors to gw (they will be created as child devices)
  gw.present(CHILD_ID_HUM, S_HUM);
  gw.present(CHILD_ID_TEMP, S_TEMP);

  metric = gw.getConfig().isMetric;
  
  //LIGHT
  // Send the sketch version information to the gateway and Controller
  gw.sendSketchInfo("Light Sensor", "1.0");

  // Register all sensors to gateway (they will be created as child devices)
  gw.present(CHILD_ID_LIGHT, S_LIGHT_LEVEL);

}

void loop()
{

  // Measure battery
  float batteryV = readVcc();
  int batteryPcnt = (((batteryV - MIN_V) / (MAX_V - MIN_V)) * 100 );
  if (batteryPcnt > 100) {
    batteryPcnt = 100;
  }

  if (batteryPcnt != oldBatteryPcnt) {
    gw.sendBatteryLevel(batteryPcnt); // Send battery percentage
    oldBatteryPcnt = batteryPcnt;
  }
  Serial.print("---------- Battery: ");
  Serial.println(batteryPcnt);

  // Read digital motion value
  boolean tripped = digitalRead(PIR_SENSOR_DIGITAL) == HIGH;
  Serial.print("---------- PIR: ");
  Serial.println(tripped);
  gw.send(msgPir.set(tripped ? "1" : "0")); // Send tripped value to gw


  //DHT
  //delay(dht.getMinimumSamplingPeriod());

  float temperature = dht.getTemperature();
  if (isnan(temperature)) {
    Serial.println("Failed reading temperature from DHT");
  } else if (temperature != lastTemp) {
    lastTemp = temperature;
    if (!metric) {
      temperature = dht.toFahrenheit(temperature);
    }
    gw.send(msgTemp.set(temperature, 1));
    Serial.print("---------- Temp: ");
    Serial.println(temperature);
  }

  float humidity = dht.getHumidity();
  if (isnan(humidity)) {
    Serial.println("Failed reading humidity from DHT");
  } else if (humidity != lastHum) {
    lastHum = humidity;
    gw.send(msgHum.set(humidity, 1));
    Serial.print("---------- Humidity: ");
    Serial.println(humidity);
  }
  // Light
  int lightLevel = (1023 - analogRead(LIGHT_SENSOR_ANALOG_PIN)) / 10.23;
  //Serial.println(lightLevel);
  if (lightLevel != lastLightLevel) {
    gw.send(msgLight.set(lightLevel));
    lastLightLevel = lightLevel;
    Serial.print("---------- Light: ");
    Serial.println(lightLevel);
  }
  // Sleep until interrupt comes in on motion sensor. Send update every two minute.
  gw.sleep(INTERRUPT, CHANGE, SLEEP_TIME);
}

the pir works fine. but the dht doesn't work.

when delay(dht.getMinimumSamplingPeriod()); is used the dht works and the pir fails.

[rvendrame]

It makes sense Try this:

create (outside the loop) a variable to count the time:

long mytime = 0; 

.. and replace the delay by :

 if ( milis() > mytime )  { 

   <  Put the dht stuff here > 

  mytime = millis() + dht.getMinimumSamplingPeriod() ; 

}

[n3ro]

@rvendrame

hmm
if is use this:

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


#define NODE_ID 10                       // ID of node
unsigned long SLEEP_TIME = 10000;        // Sleep time between reports (in milliseconds)

#define CHILD_ID_PIR 1                   // Id of the sensor PIR
#define CHILD_ID_HUM 2                   // Id of the sensor HUM
#define CHILD_ID_TEMP 3                  // Id of the sensor TEMP
#define CHILD_ID_LIGHT 4                 // Id of the sensor LIGHT

#define PIR_SENSOR_DIGITAL 3           // The digital input you attached your motion sensor.  (Only 2 and 3 generates interrupt!)
#define INTERRUPT PIR_SENSOR_DIGITAL-2 // Usually the interrupt = pin -2 (on uno/nano anyway)
#define HUMIDITY_SENSOR_DIGITAL_PIN 2
#define LIGHT_SENSOR_ANALOG_PIN 0

MySensor gw;
// Initialize Variables
MyMessage msgPir(CHILD_ID_PIR, V_TRIPPED);
MyMessage msgHum(CHILD_ID_HUM, V_HUM);
MyMessage msgTemp(CHILD_ID_TEMP, V_TEMP);
MyMessage msgLight(CHILD_ID_LIGHT, V_LIGHT_LEVEL);

DHT dht;
float lastTemp;
float lastHum;
boolean metric = true;
int oldBatteryPcnt;
int lastLightLevel;
long mytime = 0;


int MIN_V = 2700; // empty voltage (0%)
int MAX_V = 3200; // full voltage (100%)

void setup()
{
  gw.begin(NULL, NODE_ID, false);

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

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

  //DHT
  dht.setup(HUMIDITY_SENSOR_DIGITAL_PIN);

  // Send the Sketch Version Information to the Gateway
  gw.sendSketchInfo("Humidity", "1.0");

  // Register all sensors to gw (they will be created as child devices)
  gw.present(CHILD_ID_HUM, S_HUM);
  gw.present(CHILD_ID_TEMP, S_TEMP);

  metric = gw.getConfig().isMetric;

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

  // Register all sensors to gateway (they will be created as child devices)
  gw.present(CHILD_ID_LIGHT, S_LIGHT_LEVEL);

}

void loop()
{



  // Read digital motion value
  boolean tripped = digitalRead(PIR_SENSOR_DIGITAL) == HIGH;
  Serial.print("---------- PIR: ");
  Serial.println(tripped);
  gw.send(msgPir.set(tripped ? "1" : "0")); // Send tripped value to gw


  if ( millis() > mytime )  {

    //DHT
    delay(dht.getMinimumSamplingPeriod());

    float temperature = dht.getTemperature();
    if (isnan(temperature)) {
      Serial.println("Failed reading temperature from DHT");
    } else if (temperature != lastTemp) {
      lastTemp = temperature;
      if (!metric) {
        temperature = dht.toFahrenheit(temperature);
      }
      gw.send(msgTemp.set(temperature, 1));
      Serial.print("---------- Temp: ");
      Serial.println(temperature);
    }

    float humidity = dht.getHumidity();
    if (isnan(humidity)) {
      Serial.println("Failed reading humidity from DHT");
    } else if (humidity != lastHum) {
      lastHum = humidity;
      gw.send(msgHum.set(humidity, 1));
      Serial.print("---------- Humidity: ");
      Serial.println(humidity);
    }
    // Light
    int lightLevel = (1023 - analogRead(LIGHT_SENSOR_ANALOG_PIN)) / 10.23;
    //Serial.println(lightLevel);
    if (lightLevel != lastLightLevel) {
      gw.send(msgLight.set(lightLevel));
      lastLightLevel = lightLevel;
      Serial.print("---------- Light: ");
      Serial.println(lightLevel);
    }
    // Measure battery
    float batteryV = readVcc();
    int batteryPcnt = (((batteryV - MIN_V) / (MAX_V - MIN_V)) * 100 );
    if (batteryPcnt > 100) {
      batteryPcnt = 100;
    }

    if (batteryPcnt != oldBatteryPcnt) {
      gw.sendBatteryLevel(batteryPcnt); // Send battery percentage
      oldBatteryPcnt = batteryPcnt;
    }
    Serial.print("---------- Battery: ");
    Serial.println(batteryPcnt);

    mytime = millis() + dht.getMinimumSamplingPeriod();
 
  }
     Serial.println(mytime);
  // Sleep until interrupt comes in on motion sensor. Send update every two minute.
  gw.sleep(INTERRUPT, CHANGE, SLEEP_TIME);
}

i get this output:
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=fail:0
6608
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=fail:0
6608
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=fail:0
6608
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=fail:0
6608
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=fail:0
send: 10-10-255-255 s=255,c=3,t=7,pt=0,l=0,st=fail:
send: 10-10-0-0 s=2,c=1,t=1,pt=7,l=5,st=fail:41.7
---------- Humidity: 41.70
send: 10-10-0-0 s=4,c=1,t=23,pt=2,l=2,st=fail:38
---------- Light: 38
---------- Battery: 100
11148
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=fail:0
11148
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=fail:0
11148
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=fail:0
11148
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=fail:0
11148
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=fail:0
send: 10-10-255-255 s=255,c=3,t=7,pt=0,l=0,st=fail:
---------- Battery: 100
15441
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=fail:0
15441
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=fail:0
15441
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=fail:0
15441
---------- PIR: 1
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:1

the pir sends 0 and didnt sleep right

[rvendrame]

What is this number? Did you print the milis()?

send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=fail:0
6608 <<<<<<

[n3ro]

@n3ro said:

Serial.println(mytime);

yes
Serial.println(mytime);

[rvendrame]

#define PIR_SENSOR_DIGITAL 3           // The digital input you attached your motion sensor.  (Only 2 and 3 generates interrupt!)
#define INTERRUPT PIR_SENSOR_DIGITAL-2 // Usually the interrupt = pin -2 (on uno/nano anyway)
#define HUMIDITY_SENSOR_DIGITAL_PIN 2
#define LIGHT_SENSOR_ANALOG_PIN 0

Are you connecting both DHT and PIR at same pin 2 ? That must be the cause (DHT is triggering the interruption, I think you want only the PIR to trigger it).

Edit: looks like your PIR is at pin 3 , and DHT on pin 2 --- Should be the inverse? The PIR should be on pin 2 (to trigger the interrupt).

[Sweebee]

@rvendrame Pir sensor is defined as 3

interrupt pin is defined as INT1: 3 - 2 = 1

[rvendrame]

So PIR must connect on PIN 1 and not PIN 3.

Edit: Better, how did you connect DHT and PIR?

[n3ro]

@rvendrame The DHT is on pin 2 and the pir on pin 3. i use the MYS PCB.

i suspect the delay function disturb the sleep function. if i dont use the delay, the dht cant "heat up".

far as I know the interrupt is only an internal value. right?

[rvendrame]

Yes, it looks fine. What exactly error are you having? From your first serial monitor, it looks like your sensor woke on every 10min aprox, ( 6608 / 11148 / 15441 ).

[n3ro]

@rvendrame
if i use this:

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


#define NODE_ID 10                       // ID of node
unsigned long SLEEP_TIME = 600000;        // Sleep time between reports (in milliseconds)

#define CHILD_ID_PIR 1                   // Id of the sensor PIR
#define CHILD_ID_HUM 2                   // Id of the sensor HUM
#define CHILD_ID_TEMP 3                  // Id of the sensor TEMP
#define CHILD_ID_LIGHT 4                 // Id of the sensor LIGHT

#define PIR_SENSOR_DIGITAL 3           // The digital input you attached your motion sensor.  (Only 2 and 3 generates interrupt!)
#define INTERRUPT PIR_SENSOR_DIGITAL-2 // Usually the interrupt = pin -2 (on uno/nano anyway)
#define HUMIDITY_SENSOR_DIGITAL_PIN 2
#define LIGHT_SENSOR_ANALOG_PIN 0

MySensor gw;
// Initialize Variables
MyMessage msgPir(CHILD_ID_PIR, V_TRIPPED);
MyMessage msgHum(CHILD_ID_HUM, V_HUM);
MyMessage msgTemp(CHILD_ID_TEMP, V_TEMP);
MyMessage msgLight(CHILD_ID_LIGHT, V_LIGHT_LEVEL);

DHT dht;
float lastTemp;
float lastHum;
boolean metric = true;
int oldBatteryPcnt;
int lastLightLevel;


int MIN_V = 2700; // empty voltage (0%)
int MAX_V = 3200; // full voltage (100%)

void setup()
{
  gw.begin(NULL, NODE_ID, false);

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

  pinMode(PIR_SENSOR_DIGITAL, INPUT);      // sets the motion sensor digital pin as input
  digitalWrite(PIR_SENSOR_DIGITAL, HIGH);
  // Register all sensors to gw (they will be created as child devices)
  gw.present(CHILD_ID_PIR, S_MOTION);
  
  //DHT
  dht.setup(HUMIDITY_SENSOR_DIGITAL_PIN);

  // Send the Sketch Version Information to the Gateway
  gw.sendSketchInfo("Humidity", "1.0");

  // Register all sensors to gw (they will be created as child devices)
  gw.present(CHILD_ID_HUM, S_HUM);
  gw.present(CHILD_ID_TEMP, S_TEMP);

  metric = gw.getConfig().isMetric;
  
  //LIGHT
  // Send the sketch version information to the gateway and Controller
  gw.sendSketchInfo("Light Sensor", "1.0");

  // Register all sensors to gateway (they will be created as child devices)
  gw.present(CHILD_ID_LIGHT, S_LIGHT_LEVEL);

}

void loop()
{

  // Measure battery
  float batteryV = readVcc();
  int batteryPcnt = (((batteryV - MIN_V) / (MAX_V - MIN_V)) * 100 );
  if (batteryPcnt > 100) {
    batteryPcnt = 100;
  }

  if (batteryPcnt != oldBatteryPcnt) {
    gw.sendBatteryLevel(batteryPcnt); // Send battery percentage
    oldBatteryPcnt = batteryPcnt;
  }
  Serial.print("---------- Battery: ");
  Serial.println(batteryPcnt);

  // Read digital motion value
  boolean tripped = digitalRead(PIR_SENSOR_DIGITAL) == HIGH;
  Serial.print("---------- PIR: ");
  Serial.println(tripped);
  gw.send(msgPir.set(tripped ? "1" : "0")); // Send tripped value to gw


  //DHT
  //delay(dht.getMinimumSamplingPeriod());

  float temperature = dht.getTemperature();
  if (isnan(temperature)) {
    Serial.println("Failed reading temperature from DHT");
  } else if (temperature != lastTemp) {
    lastTemp = temperature;
    if (!metric) {
      temperature = dht.toFahrenheit(temperature);
    }
    gw.send(msgTemp.set(temperature, 1));
    Serial.print("---------- Temp: ");
    Serial.println(temperature);
  }

  float humidity = dht.getHumidity();
  if (isnan(humidity)) {
    Serial.println("Failed reading humidity from DHT");
  } else if (humidity != lastHum) {
    lastHum = humidity;
    gw.send(msgHum.set(humidity, 1));
    Serial.print("---------- Humidity: ");
    Serial.println(humidity);
  }
  // Light
  int lightLevel = (1023 - analogRead(LIGHT_SENSOR_ANALOG_PIN)) / 10.23;
  //Serial.println(lightLevel);
  if (lightLevel != lastLightLevel) {
    gw.send(msgLight.set(lightLevel));
    lastLightLevel = lightLevel;
    Serial.print("---------- Light: ");
    Serial.println(lightLevel);
  }
  // Sleep until interrupt comes in on motion sensor. Send update every two minute.
  gw.sleep(INTERRUPT, CHANGE, SLEEP_TIME);
}

i get this output after starting:
sensor started, id 10
send: 10-10-0-0 s=255,c=0,t=17,pt=0,l=5,st=ok:1.4.1
send: 10-10-0-0 s=255,c=3,t=6,pt=1,l=1,st=ok:0
read: 0-0-10 s=255,c=3,t=6,pt=0,l=1:M
send: 10-10-0-0 s=255,c=3,t=11,pt=0,l=13,st=ok:Motion Sensor
send: 10-10-0-0 s=255,c=3,t=12,pt=0,l=3,st=ok:1.0
send: 10-10-0-0 s=1,c=0,t=1,pt=0,l=5,st=ok:1.4.1
send: 10-10-0-0 s=255,c=3,t=11,pt=0,l=8,st=ok:Humidity
send: 10-10-0-0 s=255,c=3,t=12,pt=0,l=3,st=ok:1.0
send: 10-10-0-0 s=2,c=0,t=7,pt=0,l=5,st=ok:1.4.1
send: 10-10-0-0 s=3,c=0,t=6,pt=0,l=5,st=ok:1.4.1
send: 10-10-0-0 s=255,c=3,t=11,pt=0,l=12,st=ok:Light Sensor
send: 10-10-0-0 s=255,c=3,t=12,pt=0,l=3,st=ok:1.0
send: 10-10-0-0 s=4,c=0,t=16,pt=0,l=5,st=ok:1.4.1
send: 10-10-0-0 s=255,c=3,t=0,pt=1,l=1,st=ok:100
---------- Battery: 100
---------- PIR: 1
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:1
send: 10-10-0-0 s=3,c=1,t=0,pt=7,l=5,st=ok:16.6
---------- Temp: 16.60
send: 10-10-0-0 s=2,c=1,t=1,pt=7,l=5,st=ok:43.8
---------- Humidity: 43.80
send: 10-10-0-0 s=4,c=1,t=23,pt=2,l=2,st=ok:39
---------- Light: 39
---------- Battery: 100
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:0
send: 10-10-0-0 s=4,c=1,t=23,pt=2,l=2,st=ok:37
---------- Light: 37
---------- Battery: 100
---------- PIR: 1
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:1
send: 10-10-0-0 s=4,c=1,t=23,pt=2,l=2,st=ok:34
---------- Light: 34
---------- Battery: 100
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:0
send: 10-10-0-0 s=4,c=1,t=23,pt=2,l=2,st=ok:36
---------- Light: 36
---------- Battery: 100
---------- PIR: 1
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:1
send: 10-10-0-0 s=4,c=1,t=23,pt=2,l=2,st=ok:37
---------- Light: 37
---------- Battery: 100
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:0
send: 10-10-0-0 s=4,c=1,t=23,pt=2,l=2,st=ok:38
---------- Light: 38

The DHT gives only output the first start and the pir interrupt works perfect.

When delay(dht.getMinimumSamplingPeriod()); is activated the DHT works and the pit interrupts the whole time
In this configuration the arduino never sleeps ..

sensor started, id 10
send: 10-10-0-0 s=255,c=0,t=17,pt=0,l=5,st=ok:1.4.1
send: 10-10-0-0 s=255,c=3,t=6,pt=1,l=1,st=ok:0
read: 0-0-10 s=255,c=3,t=6,pt=0,l=1:M
send: 10-10-0-0 s=255,c=3,t=11,pt=0,l=13,st=ok:Motion Sensor
send: 10-10-0-0 s=255,c=3,t=12,pt=0,l=3,st=ok:1.0
send: 10-10-0-0 s=1,c=0,t=1,pt=0,l=5,st=ok:1.4.1
send: 10-10-0-0 s=255,c=3,t=11,pt=0,l=8,st=ok:Humidity
send: 10-10-0-0 s=255,c=3,t=12,pt=0,l=3,st=ok:1.0
send: 10-10-0-0 s=2,c=0,t=7,pt=0,l=5,st=ok:1.4.1
send: 10-10-0-0 s=3,c=0,t=6,pt=0,l=5,st=ok:1.4.1
send: 10-10-0-0 s=255,c=3,t=11,pt=0,l=12,st=ok:Light Sensor
send: 10-10-0-0 s=255,c=3,t=12,pt=0,l=3,st=ok:1.0
send: 10-10-0-0 s=4,c=0,t=16,pt=0,l=5,st=ok:1.4.1
send: 10-10-0-0 s=255,c=3,t=0,pt=1,l=1,st=ok:100
---------- Battery: 100
---------- PIR: 1
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:1
send: 10-10-0-0 s=3,c=1,t=0,pt=7,l=5,st=ok:16.5
---------- Temp: 16.50
send: 10-10-0-0 s=2,c=1,t=1,pt=7,l=5,st=ok:43.9
---------- Humidity: 43.90
send: 10-10-0-0 s=4,c=1,t=23,pt=2,l=2,st=ok:38
---------- Light: 38
---------- Battery: 100
---------- PIR: 1
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:1
send: 10-10-0-0 s=3,c=1,t=0,pt=7,l=5,st=ok:16.6
---------- Temp: 16.60
send: 10-10-0-0 s=2,c=1,t=1,pt=7,l=5,st=ok:43.8
---------- Humidity: 43.80
send: 10-10-0-0 s=4,c=1,t=23,pt=2,l=2,st=ok:37
---------- Light: 37
---------- Battery: 100
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:0
send: 10-10-0-0 s=3,c=1,t=0,pt=7,l=5,st=ok:16.5
---------- Temp: 16.50
---------- Battery: 100
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:0
---------- Battery: 100
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:0
send: 10-10-0-0 s=4,c=1,t=23,pt=2,l=2,st=ok:38

EDIT: i have changed the sleeptime for testing to a shorter time

[Sweebee]

@rvendrame When the PIR is connected to PIN3 the interrupt is INT1. Pin 1 does not have an interrupt.

Only pin 2 and pin 3 have an interrupt.

Pin 2 = int0
pin 3 = int1

[rvendrame]

if you put the delay() inside that 'if ( mills() > mytime ) ' , what happens?

[n3ro]

@Sweebee is it possible to fix the problem when DHT is connected to pin 4?

[rvendrame]

@n3ro said:

s it possible to fix the problem when DHT is connected to pin 4?

It worth a try ...

[n3ro]

@rvendrame
i have posted it before this post:

"What is this number? Did you print the milis()?

send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=fail:0
6608 <<<<<<"

in the posted sketch the delay is inside millis

[rvendrame]

I didn't find the if ( millis() > my time) in the last sketch you posted ...

[n3ro]

if i use this

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


#define NODE_ID 10                       // ID of node
unsigned long SLEEP_TIME = 10000;        // Sleep time between reports (in milliseconds)

#define CHILD_ID_PIR 1                   // Id of the sensor PIR
#define CHILD_ID_HUM 2                   // Id of the sensor HUM
#define CHILD_ID_TEMP 3                  // Id of the sensor TEMP
#define CHILD_ID_LIGHT 4                 // Id of the sensor LIGHT

#define PIR_SENSOR_DIGITAL 3           // The digital input you attached your motion sensor.  (Only 2 and 3 generates interrupt!)
#define INTERRUPT PIR_SENSOR_DIGITAL-2 // Usually the interrupt = pin -2 (on uno/nano anyway)
#define HUMIDITY_SENSOR_DIGITAL_PIN 2
#define LIGHT_SENSOR_ANALOG_PIN 0

MySensor gw;
// Initialize Variables
MyMessage msgPir(CHILD_ID_PIR, V_TRIPPED);
MyMessage msgHum(CHILD_ID_HUM, V_HUM);
MyMessage msgTemp(CHILD_ID_TEMP, V_TEMP);
MyMessage msgLight(CHILD_ID_LIGHT, V_LIGHT_LEVEL);

DHT dht;
float lastTemp;
float lastHum;
boolean metric = true;
int oldBatteryPcnt;
int lastLightLevel;
long mytime = 0;


int MIN_V = 2700; // empty voltage (0%)
int MAX_V = 3200; // full voltage (100%)

void setup()
{
  gw.begin(NULL, NODE_ID, false);

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

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

  //DHT
  dht.setup(HUMIDITY_SENSOR_DIGITAL_PIN);

  // Send the Sketch Version Information to the Gateway
  gw.sendSketchInfo("Humidity", "1.0");

  // Register all sensors to gw (they will be created as child devices)
  gw.present(CHILD_ID_HUM, S_HUM);
  gw.present(CHILD_ID_TEMP, S_TEMP);

  metric = gw.getConfig().isMetric;

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

  // Register all sensors to gateway (they will be created as child devices)
  gw.present(CHILD_ID_LIGHT, S_LIGHT_LEVEL);

}

void loop()
{



  // Read digital motion value
  boolean tripped = digitalRead(PIR_SENSOR_DIGITAL) == HIGH;
  Serial.print("---------- PIR: ");
  Serial.println(tripped);
  gw.send(msgPir.set(tripped ? "1" : "0")); // Send tripped value to gw


  if ( millis() > mytime )  {

    //DHT
    delay(dht.getMinimumSamplingPeriod());

    float temperature = dht.getTemperature();
    if (isnan(temperature)) {
      Serial.println("Failed reading temperature from DHT");
    } else if (temperature != lastTemp) {
      lastTemp = temperature;
      if (!metric) {
        temperature = dht.toFahrenheit(temperature);
      }
      gw.send(msgTemp.set(temperature, 1));
      Serial.print("---------- Temp: ");
      Serial.println(temperature);
    }

    float humidity = dht.getHumidity();
    if (isnan(humidity)) {
      Serial.println("Failed reading humidity from DHT");
    } else if (humidity != lastHum) {
      lastHum = humidity;
      gw.send(msgHum.set(humidity, 1));
      Serial.print("---------- Humidity: ");
      Serial.println(humidity);
    }
    mytime = millis() + dht.getMinimumSamplingPeriod();

  }
  // Sleep until interrupt comes in on motion sensor. Send update every two minute.
  gw.sleep(INTERRUPT, CHANGE, SLEEP_TIME);
}

i get this output:
send: 10-10-0-0 s=255,c=3,t=11,pt=0,l=13,st=ok:Motion Sensor
send: 10-10-0-0 s=255,c=3,t=12,pt=0,l=3,st=ok:1.0
send: 10-10-0-0 s=1,c=0,t=1,pt=0,l=5,st=ok:1.4.1
send: 10-10-0-0 s=255,c=3,t=11,pt=0,l=8,st=ok:Humidity
send: 10-10-0-0 s=255,c=3,t=12,pt=0,l=3,st=ok:1.0
send: 10-10-0-0 s=2,c=0,t=7,pt=0,l=5,st=ok:1.4.1
send: 10-10-0-0 s=3,c=0,t=6,pt=0,l=5,st=ok:1.4.1
send: 10-10-0-0 s=255,c=3,t=11,pt=0,l=12,st=ok:Light Sensor
send: 10-10-0-0 s=255,c=3,t=12,pt=0,l=3,st=ok:1.0
send: 10-10-0-0 s=4,c=0,t=16,pt=0,l=5,st=ok:1.4.1
---------- PIR: 1
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:1
send: 10-10-0-0 s=3,c=1,t=0,pt=7,l=5,st=ok:17.2
---------- Temp: 17.20
send: 10-10-0-0 s=2,c=1,t=1,pt=7,l=5,st=ok:43.8
---------- Humidity: 43.80
---------- PIR: 1
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:1
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:0
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:0
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:0
---------- PIR: 1
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:1
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:0
---------- PIR: 1
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:1
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:0
---------- PIR: 1
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:1
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:0
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:0
---------- PIR: 0
send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=ok:0

[Sweebee]

This can't work well. Your interrupt is set on pin1 - 2 = int-1?

What happens when you remove the pir and use a switch instead?

[n3ro]

@Sweebee
is #define INTERRUPT PIR_SENSOR_DIGITAL-2 wrong?

when i use a switch it looks OK

[rvendrame]

@n3ro , what is wrong at your last test? The PIR is reporting 0 and 1, and from time to time there is a temp/hum report as well.

[n3ro]

@rvendrame in my last test the pir sends endless 0 and dont sleep

[rvendrame]

Which arduino PIN do you use to connect the PIR?

[n3ro]

@n3ro said:

#define PIR_SENSOR_DIGITAL 3

[rvendrame]

Perfect. If it is working fine with a switch --- Maybe your PIN is triggering false positives? Or maybe the PIR output is floating a bit, and arduino is triggering it more than it should?

[Sweebee]

If a switch works than the only could be the pir itself. You have enabled the pull-up resistor so an open collector should not give floats.

You already told that a sketch with a pir only worked fine?

Well, i can test what happens with my dht22 and a pir tomorrow (with your sketch).

[n3ro]

@Sweebee thy this would be very nice

You find my sketch here:
https://github.com/n3roGit/MySensors_n3ro/tree/master/MotionSensor_DHT_light_battery_mod

[BulldogLowell]

@n3ro

you are sending an update on the PIR status every time the arduino wakes from a sleep, which you don't need.

Also, and this probably isn't a problem right now, but will case a problem later, use unsigned subtraction in your millis( ) timers

could not see where you were using the library, so I commented it out below, not having it on my computer

I also made a few more notes in the code:

#include <MySensor.h>
//#include <readVcc.h> // cannot see where you are using this library yet
#include <SPI.h>
#include <DHT.h>

#define NODE_ID 10                       // ID of node
unsigned long SLEEP_TIME = 10000UL;        // Sleep time between reports (in milliseconds)

#define CHILD_ID_PIR 1                   // Id of the sensor PIR
#define CHILD_ID_HUM 2                   // Id of the sensor HUM
#define CHILD_ID_TEMP 3                  // Id of the sensor TEMP
#define CHILD_ID_LIGHT 4                 // Id of the sensor LIGHT

#define PIR_SENSOR_DIGITAL 3           // The digital input you attached your motion sensor.  (Only 2 and 3 generates interrupt!)
#define INTERRUPT PIR_SENSOR_DIGITAL-2 // Usually the interrupt = pin -2 (on uno/nano anyway)
#define HUMIDITY_SENSOR_DIGITAL_PIN 2
#define LIGHT_SENSOR_ANALOG_PIN 0

MySensor gw;
// Initialize Variables
MyMessage msgPir(CHILD_ID_PIR, V_TRIPPED);
MyMessage msgHum(CHILD_ID_HUM, V_HUM);
MyMessage msgTemp(CHILD_ID_TEMP, V_TEMP);
MyMessage msgLight(CHILD_ID_LIGHT, V_LIGHT_LEVEL);

DHT dht;
float lastTemp;
float lastHum;
boolean metric = true;
boolean lastTripped = false;
int oldBatteryPcnt;
int lastLightLevel;
unsigned long mytime;
//int MIN_V = 2700; // empty voltage (0%)
//int MAX_V = 3200; // full voltage (100%)

void setup()
{
  gw.begin(NULL, NODE_ID, false);
  gw.sendSketchInfo("Motion Sensor", "1.0"); // here you call it motion sensor
  pinMode(PIR_SENSOR_DIGITAL, INPUT_PULLUP);
  gw.present(CHILD_ID_PIR, S_MOTION);
  dht.setup(HUMIDITY_SENSOR_DIGITAL_PIN);
  //gw.sendSketchInfo("Humidity", "1.0"); // here you call it humidity
  gw.present(CHILD_ID_HUM, S_HUM);
  gw.present(CHILD_ID_TEMP, S_TEMP);
  metric = gw.getConfig().isMetric;
  //gw.sendSketchInfo("Light Sensor", "1.0");// pick a name for your sketch, it will only be one
  gw.present(CHILD_ID_LIGHT, S_LIGHT_LEVEL);
}

void loop()
{
  // why send this every time?  
  /*
  boolean tripped = digitalRead(PIR_SENSOR_DIGITAL) == HIGH;
  Serial.print("---------- PIR: ");
  Serial.println(tripped);
  gw.send(msgPir.set(tripped ? "1" : "0"));
  */
  boolean tripped = digitalRead(PIR_SENSOR_DIGITAL) == HIGH;
  if (tripped != lastTripped)  // only need to update controller on a change.
  {
    gw.send(msgPir.set(tripped? "1" : "0"));
    Serial.print("---------- PIR: ");
    Serial.println(tripped? "tripped" : " not tripped");
    lastTripped = tripped;
  }
  if ( millis() - mytime >= SLEEP_TIME )  //use UNSIGNED SUBRTACTION im your millis() timers to avoid rollover issues later on down the line
  {
    float temperature = dht.getTemperature();
    if (isnan(temperature))
    {
      Serial.println("Failed reading temperature from DHT");
    }
    else if (temperature != lastTemp)
    {
      lastTemp = temperature;
      if (!metric) 
      {
        temperature = dht.toFahrenheit(temperature);
      }
      gw.send(msgTemp.set(temperature, 1));
      Serial.print("---------- Temp: ");
      Serial.println(temperature);
    }
    float humidity = dht.getHumidity();
    if (isnan(humidity)) 
    {
      Serial.println("Failed reading humidity from DHT");
    } 
    else if (humidity != lastHum) 
    {
      lastHum = humidity;
      gw.send(msgHum.set(humidity, 1));
      Serial.print("---------- Humidity: ");
      Serial.println(humidity);
    }
    mytime = millis();
  }
  gw.sleep(INTERRUPT, CHANGE, SLEEP_TIME); // Sleep until interrupt detected from motion sensor. Send update every SLEEP_TIME.
}

[n3ro]

@BulldogLowell

Hey, its a good idea to send only PIR if changed!
The unused code in the sketch is because i have reduced the used functions to the minimum to debug it better. The full sketch has LDR and battery lifetime output too.

i have added some extra output in the modified sketch:

#include <MySensor.h>
//#include <readVcc.h> // cannot see where you are using this library yet
#include <SPI.h>
#include <DHT.h>

#define NODE_ID 10                       // ID of node
unsigned long SLEEP_TIME = 10000UL;        // Sleep time between reports (in milliseconds)

#define CHILD_ID_PIR 1                   // Id of the sensor PIR
#define CHILD_ID_HUM 2                   // Id of the sensor HUM
#define CHILD_ID_TEMP 3                  // Id of the sensor TEMP
#define CHILD_ID_LIGHT 4                 // Id of the sensor LIGHT

#define PIR_SENSOR_DIGITAL 3           // The digital input you attached your motion sensor.  (Only 2 and 3 generates interrupt!)
#define INTERRUPT PIR_SENSOR_DIGITAL-2 // Usually the interrupt = pin -2 (on uno/nano anyway)
#define HUMIDITY_SENSOR_DIGITAL_PIN 2
#define LIGHT_SENSOR_ANALOG_PIN 0

MySensor gw;
// Initialize Variables
MyMessage msgPir(CHILD_ID_PIR, V_TRIPPED);
MyMessage msgHum(CHILD_ID_HUM, V_HUM);
MyMessage msgTemp(CHILD_ID_TEMP, V_TEMP);
MyMessage msgLight(CHILD_ID_LIGHT, V_LIGHT_LEVEL);

DHT dht;
float lastTemp;
float lastHum;
boolean metric = true;
boolean lastTripped = false;
int oldBatteryPcnt;
int lastLightLevel;
unsigned long mytime;
//int MIN_V = 2700; // empty voltage (0%)
//int MAX_V = 3200; // full voltage (100%)

void setup()
{
  gw.begin(NULL, NODE_ID, false);
  gw.sendSketchInfo("Motion Sensor", "1.0"); // here you call it motion sensor
  pinMode(PIR_SENSOR_DIGITAL, INPUT_PULLUP);
  gw.present(CHILD_ID_PIR, S_MOTION);
  dht.setup(HUMIDITY_SENSOR_DIGITAL_PIN);
  //gw.sendSketchInfo("Humidity", "1.0"); // here you call it humidity
  gw.present(CHILD_ID_HUM, S_HUM);
  gw.present(CHILD_ID_TEMP, S_TEMP);
  metric = gw.getConfig().isMetric;
  //gw.sendSketchInfo("Light Sensor", "1.0");// pick a name for your sketch, it will only be one
  gw.present(CHILD_ID_LIGHT, S_LIGHT_LEVEL);
}

void loop()
{
  // why send this every time?
  /*
  boolean tripped = digitalRead(PIR_SENSOR_DIGITAL) == HIGH;
  Serial.print("---------- PIR: ");
  Serial.println(tripped);
  gw.send(msgPir.set(tripped ? "1" : "0"));
  */
  boolean tripped = digitalRead(PIR_SENSOR_DIGITAL) == HIGH;
  if (tripped != lastTripped)  // only need to update controller on a change.
  {
    gw.send(msgPir.set(tripped ? "1" : "0"));
    Serial.print("---------- PIR: ");
    Serial.println(tripped ? "tripped" : " not tripped");
    lastTripped = tripped;
  }
  if ( millis() - mytime >= SLEEP_TIME )  //use UNSIGNED SUBRTACTION im your millis() timers to avoid rollover issues later on down the line
  {
    delay(dht.getMinimumSamplingPeriod());
    float temperature = dht.getTemperature();
    if (isnan(temperature))
    {
      Serial.println("Failed reading temperature from DHT");
    }
    else if (temperature != lastTemp)
    {
      lastTemp = temperature;
      if (!metric)
      {
        temperature = dht.toFahrenheit(temperature);
      }
      gw.send(msgTemp.set(temperature, 1));
      Serial.print("---------- Temp: ");
      Serial.println(temperature);
    }
    float humidity = dht.getHumidity();
    if (isnan(humidity))
    {
      Serial.println("Failed reading humidity from DHT");
    }
    else if (humidity != lastHum)
    {
      lastHum = humidity;
      gw.send(msgHum.set(humidity, 1));
      Serial.print("---------- Humidity: ");
      Serial.println(humidity);
    }
    mytime = millis();

  }
  else
  {
    Serial.println("no millis");
  }
  Serial.println(millis());
  Serial.println(mytime);
  Serial.println(SLEEP_TIME);
  gw.sleep(INTERRUPT, CHANGE, SLEEP_TIME); // Sleep until interrupt detected from motion sensor. Send update every SLEEP_TIME.
}

send: 10-10-0-0 s=1,c=1,t=16,pt=0,l=1,st=fail:0
---------- PIR: not tripped
no millis
2185
0
10000
no millis
2189
0
10000
no millis
2193
0
10000
no millis
2195
0
10000
no millis
2197
0
10000
no millis
2201
0
10000
no millis
2203
0
10000
no millis
2205
0
10000
no millis
2209
0
10000
no millis
2211
0
10000
no millis

You can see that the "if millis" will never used .:(

[n3ro]

i think millis didnt work with sleep. the counter is not increasing when sleeping..

[BulldogLowell]

@n3ro said:

delay(dht.getMinimumSamplingPeriod());

you dont need this:

delay(dht.getMinimumSamplingPeriod());

since you are sleeping longer than the minimum sampling period

try like this, removing the timer, just use the sleep period t update temp/humidity (untested):

#include <MySensor.h>
//#include <readVcc.h> // cannot see where you are using this library yet
#include <SPI.h>
#include <DHT.h>

#define NODE_ID 10                       // ID of node
unsigned long SLEEP_TIME = 10000UL;        // Sleep time between reports (in milliseconds)

#define CHILD_ID_PIR 1                   // Id of the sensor PIR
#define CHILD_ID_HUM 2                   // Id of the sensor HUM
#define CHILD_ID_TEMP 3                  // Id of the sensor TEMP
#define CHILD_ID_LIGHT 4                 // Id of the sensor LIGHT

#define PIR_SENSOR_DIGITAL 3           // The digital input you attached your motion sensor.  (Only 2 and 3 generates interrupt!)
#define INTERRUPT PIR_SENSOR_DIGITAL-2 // Usually the interrupt = pin -2 (on uno/nano anyway)
#define HUMIDITY_SENSOR_DIGITAL_PIN 2
#define LIGHT_SENSOR_ANALOG_PIN 0

MySensor gw;
// Initialize Variables
MyMessage msgPir(CHILD_ID_PIR, V_TRIPPED);
MyMessage msgHum(CHILD_ID_HUM, V_HUM);
MyMessage msgTemp(CHILD_ID_TEMP, V_TEMP);
MyMessage msgLight(CHILD_ID_LIGHT, V_LIGHT_LEVEL);

DHT dht;
float lastTemp;
float lastHum;
boolean metric = true;
boolean lastTripped = false;
int oldBatteryPcnt;
int lastLightLevel;
//int MIN_V = 2700; // empty voltage (0%)
//int MAX_V = 3200; // full voltage (100%)

void setup()
{
  gw.begin(NULL, NODE_ID, false);
  gw.sendSketchInfo("Motion Sensor", "1.0"); // here you call it motion sensor
  pinMode(PIR_SENSOR_DIGITAL, INPUT_PULLUP);
  gw.present(CHILD_ID_PIR, S_MOTION);
  dht.setup(HUMIDITY_SENSOR_DIGITAL_PIN);
  //gw.sendSketchInfo("Humidity", "1.0"); // here you call it humidity
  gw.present(CHILD_ID_HUM, S_HUM);
  gw.present(CHILD_ID_TEMP, S_TEMP);
  metric = gw.getConfig().isMetric;
  //gw.sendSketchInfo("Light Sensor", "1.0");// pick a name for your sketch, it will only be one
  gw.present(CHILD_ID_LIGHT, S_LIGHT_LEVEL);
}

void loop()
{
  // why send this every time?
  /*
  boolean tripped = digitalRead(PIR_SENSOR_DIGITAL) == HIGH;
  Serial.print("---------- PIR: ");
  Serial.println(tripped);
  gw.send(msgPir.set(tripped ? "1" : "0"));
  */
  boolean tripped = digitalRead(PIR_SENSOR_DIGITAL) == HIGH;
  if (tripped != lastTripped)  // only need to update controller on a change.
  {
    gw.send(msgPir.set(tripped ? "1" : "0"));
    Serial.print("---------- PIR: ");
    Serial.println(tripped ? "tripped" : " not tripped");
    lastTripped = tripped;
  }
  float temperature = dht.getTemperature();
  if (isnan(temperature))
  {
    Serial.println("Failed reading temperature from DHT");
  }
  else if (temperature != lastTemp)
  {
    lastTemp = temperature;
    if (!metric)
    {
      temperature = dht.toFahrenheit(temperature);
    }
    gw.send(msgTemp.set(temperature, 1));
    Serial.print("---------- Temp: ");
    Serial.println(temperature);
  }
  float humidity = dht.getHumidity();
  if (isnan(humidity))
  {
    Serial.println("Failed reading humidity from DHT");
  }
  else if (humidity != lastHum)
  {
    lastHum = humidity;
    gw.send(msgHum.set(humidity, 1));
    Serial.print("---------- Humidity: ");
    Serial.println(humidity);
  }
  gw.sleep(INTERRUPT, CHANGE, SLEEP_TIME); // Sleep until interrupt detected from motion sensor. Send update every SLEEP_TIME.
}

[n3ro]

@BulldogLowell
when i use this sketch the PIR works but the DHT cant read:

Failed reading temperature from DHT
Failed reading humidity from DHT

[BulldogLowell]

check the connections

[n3ro]

@BulldogLowell the wires are OK.

In sleep the DHT cant warm-up. so the dht need 2 sec before read. when i dont use the delay i cant read it.

i dont understand why the interrupt didnt work with the enabled delay.

do you have tested on a arduino?

[n3ro]

https://github.com/n3roGit/MySensors_n3ro/tree/master/MotionSensor_DHT_light_battery_mod

now its working. when i use PIN4 for DHT.:)

[rvendrame]

@n3ro, i'm glad you fixed it. DHT was on PIN3 before, right? Pin 2 & Pin3 are connected to the interrupts, maybe this was the problem.

[n3ro]

@rvendrame yes i think so. but now its ok

[BulldogLowell]

@n3ro said:

now its working. when i use PIN4 for DHT.:)