Add support for 4-pin range sensors, the velocity sensor, and LED status.

FossilOrigin-Name: ab34614152b3a25488aa4b55c45ec4a6f625bde42cd794209464825bb7654040

theremin/config.yml

@@ -1,18 +1,27 @@
-# -*- ruby -*-
+# -*- yaml -*-
 # vim: set et sta sw=2 :
 
 ---
 logging:
   __default__: info (color)
   theremin: debug (color)
+#  gpio: debug (color)
 
+# See: https://pinout.xyz/
+#
 theremin:
-  pitch_trigger: 16
-  font: /usr/share/sounds/sf2/FluidR3_GM.sf2
-  glide: 1
-  slew: 0
-  sample_interval: 0.1
-  reverb: false
-  chorus: false
-  instrument_index: 29
+  pitch_trigger: 27
+  pitch_echo: 22
+  velocity_trigger: 23
+  velocity_echo: 24
+  distance_max: 2
+  cancel_after: 3
+#   font: /usr/share/sounds/sf2/FluidR3_GM.sf2
+#   glide: 1
+#   slew: 5
+#   sample_interval: 0.5
+#   reverb: false
+#   chorus: false
+#   font_index: 2
+#   instrument_index: 29