diff --git a/edrumulus.cpp b/edrumulus.cpp
index ea62534..b8d3478 100644
--- a/edrumulus.cpp
+++ b/edrumulus.cpp
@@ -367,7 +367,7 @@ Serial.println ( serial_print );
         for ( int j = 0; j < number_inputs[i]; j++ )
         {
           const float& cur_dc_offset = dc_offset[i][j];
-//Serial.println ( cur_dc_offset ); // TEST for plotting all DC offsets
+//Serial.println ( String ( i ) + ", " + String ( cur_dc_offset ) ); // TEST for plotting all DC offsets
           if ( ( cur_dc_offset < dc_offset_min_limit ) || ( cur_dc_offset > dc_offset_max_limit ) )
           {
             status_is_error = true;
diff --git a/edrumulus.ino b/edrumulus.ino
index d398e19..dbb84e8 100644
--- a/edrumulus.ino
+++ b/edrumulus.ino
@@ -23,7 +23,10 @@
 // analog pins setup:               snare | kick | hi-hat | hi-hat-ctrl | crash | tom1 | ride | tom2 | tom3
 static int analog_pins4[]         = { 36,    33,     32,       25,         34,     39,    27,    12,    15 };
 static int analog_pins_rimshot4[] = { 35,    -1,     26,       -1,         14,     -1,    13,    -1,    -1 };
-const int  number_pads4           = sizeof ( analog_pins4 ) / sizeof ( int );
+
+// if you want to use less number of pads, simply adjust number_pads4 value
+//const int number_pads4 = sizeof ( analog_pins4 ) / sizeof ( int ); // use all inputs defined in analog_pins4
+const int number_pads4 = 8; // e.g., do not use tom3 and shrink number of pads from 9 to 8 in this example
 
 
 #include "edrumulus.h"