diff --git a/modules/show-knob-values/show-knob-values.ino b/modules/show-knob-values/show-knob-values.ino
index 128d31d..5eae171 100644
--- a/modules/show-knob-values/show-knob-values.ino
+++ b/modules/show-knob-values/show-knob-values.ino
@@ -1,20 +1,4 @@
 /*
-  Pitch follower
-
-  Plays a pitch that changes based on a changing analog input
-
-  circuit:
-  - 8 ohm speaker on digital pin 9
-  - photoresistor on analog 0 to 5V
-  - 4.7 kilohm resistor on analog 0 to ground
-
-  created 21 Jan 2010
-  modified 31 May 2012
-  by Tom Igoe, with suggestion from Michael Flynn
-
-  This example code is in the public domain.
-
-  http://www.arduino.cc/en/Tutorial/Tone2
 */
 
 void setup() {
@@ -24,25 +8,18 @@ void setup() {
 
 void loop() {
   // read the sensor:
-  int sensorReading = analogRead(0);
   // print the sensor reading so you know its range
-  Serial.print("0: ");
-  Serial.print(sensorReading);
-
-  Serial.print(", 1: ");
+  Serial.print(analogRead(0));
+  Serial.print(" ");
   Serial.print(analogRead(1));
-  Serial.print(", 2: ");
+  Serial.print(" ");
   Serial.print(analogRead(2));
-  Serial.print(", 3: ");
+  Serial.print(" ");
   Serial.println(analogRead(3));
 
-// map the analog input range (in this case, 400 - 1000 from the photoresistor)
-  // to the output pitch range (120 - 1500Hz)
-  // change the minimum and maximum input numbers below depending on the range
-  // your sensor's giving:
-  int thisPitch = map(sensorReading, 400, 1000, 120, 1500);
-
+  // int thisPitch = map(sensorReading, 400, 1000, 120, 1500);
   // play the pitch:
   // tone(11, thisPitch, 10);
+
   delay(250);        // delay in between reads for stability
 }