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Seeed Grove-Q Touch Sensor, Manual

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1 

 

 

 

Grove-Q Touch Sensor 

Version

：

  

 

 

1.0 

Release date

：

   

9/20/2015 

Wiki:

 

http://www.seeedstudio.com/wiki/Grove_-_Q_Touch_Sensor

 

Bazaar: 

http://www.seeedstudio.com/depot/GroveQ-Touch-Sensor-p-1854.html

 

Summary of Contents for Grove-Q Touch Sensor

Page 1: ...1 Grove Q Touch Sensor Version 1 0 Release date 9 20 2015 Wiki http www seeedstudio com wiki Grove_ _Q_Touch_Sensor Bazaar http www seeedstudio com depot GroveQ Touch Sensor p 1854 html ...

Page 2: ...2 Document Revision History Revision Date Author Description 1 0 Sep 21 2015 Victor He Create file ...

Page 3: ...3 Contents Document Revision History 2 1 Introduction 2 2 Specification 3 3 Interface function 4 4 Usage 5 4 1 Hardware Connections 5 5 Software Part 6 6 Resource 9 ...

Page 4: ...ision of Seeed Technology Inc this manual has been compiled and published which covered the latest product description and specification The content of this manual is subject to change without notice Copyright The design of this product including software and its accessories is under tutelage of laws Any action to violate relevant right of our product will be penalized through law Please conscious...

Page 5: ...e AT42QT1070 modulates its bursts in a spread spectrum fashion in order to heavily suppress the effects of external noise and to suppress RF emissions The QT1070 uses a dual pulse method of acquisition This provides greater noise immunity and eliminates the need for external sampling capacitors allowing touch sensing using a single pin ...

Page 6: ...3 2 Specification Operating Voltage 3 5 5V Operating Current 1mA for 3 3V operating voltage Touch Keys 7 Keys key0 key1 key2 are on the Grove PCB bottom side Communicating Protocol I2C I2C Address 0x1B ...

Page 7: ...tion On board touch key0 On board touch key1 On board touch key2 Touch key0 key6 break out The recommended range for key capacitance Cx is 1 pF 30 pF Larger values of Cx will give reduced sensitivity GND Grove interface ...

Page 8: ...hen you touch the hit pan lychee the LED will turn on 4 1 Hardware Connections 1 Connect the I2C of Grove Q Touch Sensor to the I2C socket on the Grove Base Shield 2 Connect the Grove LED to D3 Digital Pin 3 on the Grove Base Shield 3 Connect Key0 marked K0 on the Grove Q Touch sensor to a Lychee Alternatively you could touch the open end of the cable with a finger while testing ...

Page 9: ...rduino IDE for example the path could be arduino 1 0 5 libraries Example 1 a Open the example via Arduino Menu File Examples Seeed_QTouch master isTouch b Upload the code Note that you should select the correct board type and COM port c On touching the Lychee the LED would glow as can be seen below ...

Page 10: ...e Serial Monitor would display the duration of touch as in the screenshot below Example 3 a Open the example via Arduino Menu File Examples Seeed_QTouch master getTouchNumber b Upload the code c Open the Serial Monitor d On touching the Lychee the Serial Monitor would display the Key that is connected as in the screenshot below One can connect the fruit to any other Key and verify ...

Page 11: ...8 ...

Page 12: ...9 6 Resource Q Touch Library Schematic pdf Eagle file AT42QT107 datasheet How to detect finger touch ...

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