Merge new state machines into test branch

arduino/common/include/nodemcu_32s_pinout.h

@@ -71,3 +71,7 @@ const int pwm_chan_inhale = 0;
 const int pwm_chan_exhale = 1;
 const int pwm_resolution = 16; // 8 bit resolution; up to 16 possible
 const int pwm_frequency  = 500; // frequency in Hz
+
+const int pwm_chan_debug = 4;
+const int pwm_resolution_debug = 8; // 8 bit resolution; up to 16 possible
+const int pwm_frequency_debug  = 500; // frequency in Hz