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Links to hardware documentation added.

Rene Bartsch 2018-07-06 16:02:06 +02:00
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MPR121.md

@ -3,6 +3,15 @@
* Driver supports up to 4x MPR121 controllers (= 48 buttons per ESP8266)
* Electrodes can be covered with adhesive paper and adhesive plastic foil for labeling and symbols
* Break-out and touch button PCBs ~ 2,- € at [AliExpress](https://www.aliexpress.com/wholesale?catId=0&initiative_id=&SearchText=mpr121)
Documentation:
* [Datasheet](https://www.sparkfun.com/datasheets/Components/MPR121.pdf)
* [AN3891](http://cache.freescale.com/files/sensors/doc/app_note/AN3891.pdf)
* [AN3892](http://cache.freescale.com/files/sensors/doc/app_note/AN3892.pdf)
* [AN3893](http://cache.freescale.com/files/sensors/doc/app_note/AN3893.pdf)
* [AN3894](http://cache.freescale.com/files/sensors/doc/app_note/AN3894.pdf)
* [AN3895](http://cache.freescale.com/files/sensors/doc/app_note/AN3895.pdf)
![Touchpad front](http://ae01.alicdn.com/kf/HTB1qxxWSVXXXXXNXpXXq6xXFXXXO.jpg)
![Touchpad back](http://ae01.alicdn.com/kf/HTB1j.0aSVXXXXcPapXXq6xXFXXXR.jpg)
![Break-out front](http://ae01.alicdn.com/kf/HTB1n4svmfiSBuNkSnhJq6zDcpXaF.jpg)