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SHT 75 SENSOR

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Posted by Denis1990   (1 post)  [Biography] bio
Date Sat 26 Sep 2015 08:33 AM (UTC)
Message
Hi I have some problems with the connection between arduino and the sensor SHT 75. I've used this code:

#include <Sensirion.h>

const uint8_t dataPin = 2; //Declaracion patillas arduino
const uint8_t clockPin = 3;
float temperature; //Declaracion variables
float humidity;
float dewpoint;
Sensirion tempSensor = Sensirion(dataPin, clockPin); //Declaracion objeto sensor

void setup()
{
Serial.begin(9600); //Declaracion puerto serie
}

void loop() {
tempSensor.measure(&temperature, &humidity, &dewpoint); //Llamada sensor
Serial.print("Temperature: "); //Escribe texto para acompañar al valor
Serial.print(temperature); //Escribe valor en la misma linea
Serial.print(" C, Humidity: "); //Escribe texto para acompañar al valor
Serial.print(humidity); //Escribe valor en la misma linea
Serial.print(" %, Dewpoint: "); //Escribe texto para acompañar al valor
Serial.print(dewpoint); // Escribe valor en la misma linea
Serial.println(" C");
delay(5000); //Tiempo de espera para la siguiente ejecucion
}

But which is the problem? the problem is that when I go to the monitor serie in order to see the measures I just get this:

temperature: 0.0 humidity: 0.0 % dewpoint: 0.0
temperature: 0.0 humidity: 0.0 % dewpoint: 0.0
temperature: 0.0 humidity: 0.0 % dewpoint: 0.0
...

So I don't know what is the problem may be the connections, the code, it could be that I can't connect directly 5V from arduino with sensor SHT 75 because it needs just 3.5 V ??

Even I changed the sketch sensirion.cpp
Some idea ??? Any aid will be welcome.

Thanks a lot.
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Posted by Fiendish   USA  (1,744 posts)  [Biography] bio   Global Moderator
Date Reply #1 on Sat 26 Sep 2015 03:48 PM (UTC)
Message
Template:Arduino Please post Arduino-related questions to the Arduino Forum or to StackExchange: Arduino. This saves splitting questions and answers between this forum and the Arduino ones.

https://github.com/fiendish/aardwolfclientpackage
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Posted by Nick Gammon   Australia  (21,609 posts)  [Biography] bio   Forum Administrator
Date Reply #2 on Sun 27 Sep 2015 08:50 AM (UTC)
Message
In what way is this a problem with this forum?

You read the huge message in red type:

Quote:

Please post questions about the Arduino on the The Arduino Forum or StackExchange -> Arduino


You can't post in the Arduino part of this forum. So now you post in the "forum problems" part.

- Nick Gammon

www.gammon.com.au, www.mushclient.com
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