An Arduino IDE based library used for TTP229 & BS81X series touch chips Serial Port (SDO/SCL) reading. Compatible with Tontouch TTP229/Holtek BS818/BS814 touch key ...
Copy the "TTP229" library folder to your /libraries/ folder. Restart the IDE (close and open again). Then in Arduino IDE: File -> Examples -> TTP229 -> KeyToSerial. File -> Examples -> TTP229 -> ...