Grove - Temp&Humi Sensor
  • Grove - Temp&Humi Sensor
  • Grove - Temp&Humi Sensor
  • Grove - Temp&Humi Sensor

Grove - Temp&Humi Sensor

SKU 101020011
  • Relative Humidity and temperature measurement
  • Full range temperature compensation Calibrated
  • Low power consumption
  • Digital signal Long term stability
  • Grove connector compatible
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    Description

    This temperature & humidity sensor provides a pre-calibrated digital output. A unique capacitive sensor element measures relative humidity and the temperature is measured by a negative temperature coefficient (NTC) thermistor. It has excellent reliability and long term stability. Please note that this sensor will not work for temperatures below 0 degree.


    Features

    • Relative Humidity and temperature measurement

    • Full range temperature compensation Calibrated

    • Digital signal Long term stability

    • Long transmission distance

    • Low power consumption


    Documents

    • For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started  and  Introduction to Grove  before your using of the product.

    • Please visit our wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to our forum

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    Questions and Answers
    SUBMIT
    0

    I am using the DHT11 sensor. However it only reads the integer temperature values with Python and Raspberry Pi. Please do let me know how to retrieve fractional value.

    on Oct 19,2016
    Replyupvote ()

    Hi,you can't program it.This product is just a charger.

    on Oct 20,2016 10:44 AM
    Replyupvote ()

    The USB data is passed through, you can program your USB-connected device by plugging the Rider into your programmer's USB port. So the Teensy/whatever stays permanently connected to the Rider.

    on Oct 20,2016 10:50 AM
    Replyupvote ()
    The DHT11 does not provide any data for the"fractional"parts of the stream for both properties - temperature and humidity.
    on Nov 14,2016 22:32 PM
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    0

    I'm curious to know how it collects the data for two sensors on one analog pin? I can see that it works but just want to know how.

    on Oct 19,2016
    Replyupvote ()

    Hello,sorry for the late reply . Both the top layer and bottom layer copper fill connected to GND. We are sorry we didn't test like this before , thanks for you understanding.

    on Oct 20,2016 10:42 AM
    Replyupvote ()
    The datasheet at http://www.micropik.com/PDF/dht11.pdf explains it all. The analog pin is used to return the return the data from the sensors (a little bit of nit-picking on my part, please do not mind). The measurements are done further upstream in the circuit.
    on Nov 15,2016 01:30 AM
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    0

    Hello, I would like to ask, if it is possible to measure decimal value of temperature, or only entire value? Thank you for answer.

    on Oct 19,2016
    Replyupvote ()

    The way to use it is to pick off the plastic connector of solar panel.
    Very sorry about this .

    on Oct 20,2016 10:42 AM
    Replyupvote ()
    There is no"decimal"value being returned by the sensor (for DHT11 devices). It will always be zero.
    on Nov 14,2016 22:34 PM
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    Reply
    0

    Can i know what is the max temp it can hold up. Or at wat temp this sensors melts

    on Oct 19,2016
    Replyupvote ()

    yes,it compatible.

    on Oct 20,2016 10:42 AM
    Replyupvote ()

    Hey Dineshkumar,you can refer to the wiki of this module, and you can see the maximum temp is 50 °C.

    on Oct 20,2016 10:47 AM
    Replyupvote ()
    Also, keep the lower limit for the temperature, 0 degrees C, in perspective too (if applicable to your tests).
    on Nov 15,2016 01:31 AM
    Replyupvote ()
    Reply
    0

    Can you provide more details on the timing intervals used by the sensor to
    a) set up the communication
    b) send each bit of data
    The only 'spec' I can find is the statement 'It costs 5mS for single time communication'.
    Do you have a more de

    on Oct 19,2016
    Replyupvote ()

    Yes??? you are totally right.

    on Oct 20,2016 10:41 AM
    Replyupvote ()

    hi,the Sensitivity of Temperature is 1?°C ,so we can't get the decimal part of temperature.And the Sensitivity of Humidity is ?±1% .More detail ,watching wiki please.

    on Oct 20,2016 10:42 AM
    Replyupvote ()
    http://www.micropik.com/PDF/dht11.pdf for your reading pleasure. Regards.
    on Nov 15,2016 01:32 AM
    Replyupvote ()
    Reply
    0

    I need to interface this with 430 launchpad. Can you please let me know how to do this. I do not see any generic way of reading the output signal other than Arduino based library.

    on Oct 19,2016
    Replyupvote ()

    Thanks, I posted a more elaborate question on the forums: http://www.seeedstudio.com/for...

    on Oct 20,2016 10:41 AM
    Replyupvote ()

    I do not want to transplant the code, but need a generic way of communicate with the sensor irrespective of the controller I'm going to use. Datasheet would be very useful

    on Oct 20,2016 10:44 AM
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    Reply
    0

    I'm wondering if I can use this with arduino Uno, if I can how can i connect this with arduino uno

    on Oct 19,2016
    Replyupvote ()

    Hi there, correct. But down to 3.3v it can't do that.

    on Oct 20,2016 10:41 AM
    Replyupvote ()

    Yes, you can.you can use jumper wire to connect them together.GND--GND,VCC--VCC,NC--No connection,SIG--A0.

    on Oct 20,2016 10:43 AM
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    Reply
    0

    Runs ok when powered by USB but doesn't work when board is powered by lithium battery.
    It then always fails on 'start condition 2'.
    Ideas?

    on Oct 19,2016
    Replyupvote ()

    Hi there, yes it is ok.If you use input with 5v.And about output it will change to 5V from battery.

    on Oct 20,2016 10:41 AM
    Replyupvote ()

    Hi,Dear.This battery provides power supply for RTC, but can't act as the power source of stalker.

    on Oct 20,2016 10:43 AM
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    0

    Hi, can i use this sensor with msp430 series controller?

    on Oct 19,2016
    Replyupvote ()

    Input voltage ranging from 4.8V to 6V can work well along this board.If you have two 6V panels, then one will be enough by all means.

    on Oct 20,2016 10:42 AM
    Replyupvote ()

    Yes,you can.Many products can used with other IC chips.

    on Oct 20,2016 10:42 AM
    Replyupvote ()
    Reply
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