TTP229 Capacitive Touch Sensor Module - Arduino Sketch

I had trouble getting the TTP229 capacitive touch sensor module working with Arduino until I figured out that there's different versions of the chip, and mine doesn't speak I2C.

After trying multiple libraries and searching the forums, I finally found a working solution.

Sketch & Schematic
https://github.com/GadgetReboot/TTP22...

Original sketch that worked when all else failed
http://itimewaste.blogspot.com/2014/1...

Various datasheet/module schematic info
https://www.openimpulse.com/blog/wp-c...
https://pdf1.alldatasheet.com/datashe...
https://www.openimpulse.com/blog/wp-c...

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