DedeHai

/*
  Capacitive Sensing methods using Arduino
  
  Visit https://bashtelorofscience.wordpress.com/ for a description and the circuit required to make this work.

  Please see https://www.arduino.cc/en/Reference/PortManipulation  for an explanation on the direct I/O access used in this sketch.
  note:
  the assembler command
  __asm__("nop\n\t");
  is used in the sketch to do single clock (62ns) delays.