diff --git a/Examples/FFT_01/FFT_01.ino b/Examples/FFT_01/FFT_01.ino
index 45ba009..4096e12 100644
--- a/Examples/FFT_01/FFT_01.ino
+++ b/Examples/FFT_01/FFT_01.ino
@@ -39,8 +39,6 @@ double vImag[samples];
 #define SCL_TIME 0x01
 #define SCL_FREQUENCY 0x02
 
-#define Theta 6.2831 //2*Pi
-
 void setup()
 {
   Serial.begin(115200);
@@ -53,8 +51,8 @@ void loop()
   double cycles = (((samples-1) * signalFrequency) / samplingFrequency); //Number of signal cycles that the sampling will read
   for (uint16_t i = 0; i < samples; i++)
   {
-    vReal[i] = int8_t((amplitude * (sin((i * (Theta * cycles)) / samples))) / 2.0);/* Build data with positive and negative values*/
-    //vReal[i] = uint8_t((amplitude * (sin((i * (6.2831 * cycles)) / samples) + 1.0)) / 2.0);/* Build data displaced on the Y axis to include only positive values*/
+    vReal[i] = int8_t((amplitude * (sin((i * (twoPi * cycles)) / samples))) / 2.0);/* Build data with positive and negative values*/
+    //vReal[i] = uint8_t((amplitude * (sin((i * (twoPi * cycles)) / samples) + 1.0)) / 2.0);/* Build data displaced on the Y axis to include only positive values*/
   }
   Serial.println("Data:");
   PrintVector(vReal, samples, SCL_TIME);