Grove - I2C Touch Sensor
  • Grove - I2C Touch Sensor

Grove - I2C Touch Sensor

SKU 101020047
The I2C Touch Sensor is based on FreeScale MPR121, to feel the touch or proximity of human being fingers
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Description

The I2C Touch Sensor is based on FreeScale MPR121, to feel the touch or proximity of human being fingers. This sensor include 2 parts: one Touch Sensor controller, and 4 finger feelers. Insert the connectors of feelers into base of Sensor controller, you can begin your touch controlling. 


MPR121: The MPR121 is a capacitive touch sensor controller,features internal intelligence, include an hardware configurable I2C address, an expended filtering system with debounce, and completely independent electrodes with auto-configuration built in . 


Touch Sensor feeler: The Touch Sensor feelers, which was 4 included in Touch Sensor module,can be set in any place you like, to feel your finger's touch or proximity. Notice it must not get in touch with any conductive material.


Kit included:

  • Grove - I2C Touch Sensor  X1

  • Touch Feeler  X4

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.


Documents


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
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0

Since the address pin is hard wired how can we set the the address to use multiple"Grove - I2C Touch Sensor"on a single I2C bus?

on Oct 19,2016
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Hi.The address of I2C touch sensor is irrevocable,so you can't work more than one synchronously

on Oct 20,2016 10:45 AM
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Hi my friend,we have new vesion can replace it please refer:http://www.seeedstudio.com/dep... a nice day!

on Oct 20,2016 10:49 AM
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0

Hi:
May I have Schematic file like others??
Thanks

on Oct 19,2016
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Yes, we have uploaded it to our wiki page(http://www.seeedstudio.com/wik..., please check.

on Oct 20,2016 10:44 AM
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0

Can this feeler sense the touch behind some glass cover? I'm thinking of ~4mm thick windows glass as cover.

on Oct 19,2016
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I didn't get it... :P

The wiki shows an example with a paperboard pice. Suposing that the glass isn't conductive (as metal / requirement), doesn't it really work with a glass pice?

I'd like the same application, with a glass cover.

I

on Oct 20,2016 10:44 AM
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0

Do you now sell individual touch feelers (or packs of 4, but without the sensor board)?

on Oct 19,2016
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Hello , sorry that we don't sell individual touch feelers . You can made it by your self ,just on connected a wire to the port of the board , and it can be touch similar as Touch Feeler.

on Oct 20,2016 10:42 AM
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The unit comes with 4 touch feelers but how many can be directly attached to it,
other 4 as the number of connectors suggest? Or more, by soldering to board pins?

And if I want to buy more touch feelers, do you sell them sepparately? If so, wh

on Oct 19,2016
Replyupvote ()

Hi there, 12 touch feelers can be supported by one I2C Touch Sensor. The problem is that we do not sell the touch feelers sepparately now ,that is strange. I will feedback to our marketing department to solve this problem .

on Oct 20,2016 10:42 AM
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0

Can i connect 16 sensors(2xTwig) to one microcontroller?

on Oct 19,2016
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Yes if you know how to code with them, that is no problem.

on Oct 20,2016 10:41 AM
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0

I know this chip needs 3.3 volts but I see in the literature for this product that it can operate at 5v on the I2C line. Is this true and will the product last at 5v?

on Oct 19,2016
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The working voltage is 3~5V. If you view the wiki that you can see it(Sorry for the wiki link,it was wrong before).

on Oct 20,2016 10:41 AM
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0

I'm thinking about using these as switches for my home automation system. Can we make the cable long enough between the feelers and the INT ? 1m, 5m, 15m ? Or between the INT and the seeeduino ?

on Oct 19,2016
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And, I'm thinking about using a CAT5-like cable for long distances...

on Oct 20,2016 10:41 AM
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You can restart to upload the origital dso203 firmware and upgrade.

on Oct 20,2016 10:46 AM
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