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Technical Details
Dimensions 130mm x 90mm x 16mm
Weight G.W 14g
Battery Exclude
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.
Grove - Touch Sensor
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USD
Documents
Wiki
I2C Touch Sensor eagle files(v1.1).zip
I2C Touch Sensor Library
How to detect finger touch?
I2C Touch Sensor Datasheet
I2C Touch Sensor PDF
0
Hy-Vong Pham on Oct 19,2016
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?
0
HSING NAN WANG on Oct 19,2016
Hi:May I have Schematic file like others??Thanks
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Istvan Kovacs on Oct 19,2016
Can this feeler sense the touch behind some glass cover? I'm thinking of ~4mm thick windows glass as
cover.
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Holger Hoos on Oct 19,2016
Do you now sell individual touch feelers (or packs of 4, but without the sensor board)?
0
Dejwoot KHAWPARISUTH on Oct 19,2016
unable to get the code from wiki page at the 'Programming' & 'Resources' topics (
http://www.seeedstudio.com/wik... and
Questions and Answers
Have a question about this? Ask people who own it.
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Jacket Chen on Oct 20,2016 10:45 AM
killersue on Oct 20,2016 10:49 AM
Hi.The address of I2C touch sensor is irrevocable,so you can't work more than one synchronously
Hi my friend,we have new vesion can replace it please refer: http://www.seeedstudio.com/dep... a nice day!
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Deray Wu on Oct 20,2016 10:44 AM
Yes, we have uploaded it to our wiki page( http://www.seeedstudio.com/wik..., please check.
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Mario Baldini on Oct 20,2016 10:44 AM
I didn't get it... :PThe 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
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Deray Wu on Oct 20,2016 10:42 AM
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.
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Thanks you, I got it now. FYI actually I had a problem with the zip-file. I was unable to
extract using window7-build-in unzip but it work with 7-zip portable. The software is
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0
Juan Domingo on Oct 19,2016
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
0
Michael Sharov on Oct 19,2016
Can i connect 16 sensors(2xTwig) to one microcontroller?
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William Crossland on Oct 19,2016
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?
0
Martin Mahaux on Oct 19,2016
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 ?
upvote (0)
Dejwoot KHAWPARISUTH on Oct 20,2016 10:42 AM
working so I'll dive into it...
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Deray Wu on Oct 20,2016 10:42 AM
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 .
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Yuri Qiu on Oct 20,2016 10:41 AM
Yes if you know how to code with them, that is no problem.
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Yuri Qiu on Oct 20,2016 10:41 AM
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).
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Martin Mahaux on Oct 20,2016 10:41 AM
zhang kun on Oct 20,2016 10:46 AM
And, I'm thinking about using a CAT5-like cable for long distances...
You can restart to upload the origital dso203 firmware and upgrade.
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