diff --git a/Extra/BPM_Calc_Test/BPM_Calc_Test.ino b/Extra/BPM_Calc_Test/BPM_Calc_Test.ino
new file mode 100644
index 0000000..6187e83
--- /dev/null
+++ b/Extra/BPM_Calc_Test/BPM_Calc_Test.ino
@@ -0,0 +1,36 @@
+//
+//Abel: at 120bpm the actual output is 119.3bpm (47.7Hz). Does this depend on each individual power supply? Would it be possible to calibrate 120bpm to 48Hz?
+//
+// in theory it should be 600000 / (120 * 24) = 208.333(3).  20.8ms should result in 48.076923076923
+#include <FixedPoints.h>
+#include <FixedPointsCommon.h>
+
+
+//uint16_t pulsePeriod; //useful range of 0 to 65,535 ((2^16) - 1).
+UFixed<7, 9> bpm = 120; //0-255
+
+#define PPQN 24
+#define PULSE_LENGTH 120  //1/10ms resolution. 12ms was failing at 1ms resolution at higher bpm. 60000/200/24 = 12.5 the max pulse length at 1ms resolution for 200bpm is 11ms
+#define MAXBPM 200       //250 at 24ppqn with 5ms pulse will be 50/50 square wave
+#define MINBPM 20
+
+void setup() {
+  Serial.begin(19200);
+  int pulsePeriod = 600000 / (bpm.getInteger() * PPQN);
+  Serial.print("original uint16_t: ");
+  Serial.println(pulsePeriod);
+  float floatperiod = 600000 / ((float)bpm * (float)PPQN);
+  Serial.print("float: ");
+  Serial.println(floatperiod);
+  // fpperiod = 600000 / (bpm * PPQN);
+  //Serial.print("UQ8x8: ");
+  //Serial.println((float)fpperiod);
+  UFixed<7, 9> fpperiodplus = 600000 / (bpm * PPQN);
+  Serial.print("UQ7x9: ");
+  Serial.println((float)fpperiodplus);
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+
+}
\ No newline at end of file
diff --git a/Software/Gravity/Gravity.ino b/Software/Gravity/Gravity.ino
index 2879bb4..a60e059 100644
--- a/Software/Gravity/Gravity.ino
+++ b/Software/Gravity/Gravity.ino
@@ -6,7 +6,7 @@
 #include <avr/wdt.h>
 #include <NeoHWSerial.h>
 
-#define VERSION "V:1.1.1B"
+#define VERSION "V:1.1.1"
 
 byte memCode = 'D'; //Change to different letter if you changed the data structure