diff --git a/examples/SysEx_Receive/SysEx_Receive.ino b/examples/SysEx_Receive/SysEx_Receive.ino
new file mode 100644
index 0000000..52e3cf9
--- /dev/null
+++ b/examples/SysEx_Receive/SysEx_Receive.ino
@@ -0,0 +1,74 @@
+#include <BLEMIDI.h>
+
+#include <hardware/BLEMIDI_ESP32_NimBLE.h>
+//#include <hardware/BLEMIDI_ESP32.h>
+//#include <hardware/BLEMIDI_nRF52.h>
+//#include <hardware/BLEMIDI_ArduinoBLE.h>
+
+BLEMIDI_CREATE_DEFAULT_INSTANCE()
+
+bool isConnected = false;
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+void setup()
+{
+  Serial.begin(115200);
+  while (!Serial);
+
+  pinMode(LED_BUILTIN, OUTPUT);
+  digitalWrite(LED_BUILTIN, LOW);
+
+  BLEMIDI.setHandleConnected(OnConnected);
+  BLEMIDI.setHandleDisconnected(OnDisconnected);
+ 
+  MIDI.setHandleSystemExclusive(OnMidiSysEx);
+
+  // Listen for MIDI messages on channel 1
+  MIDI.begin();
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+void loop()
+{
+  // Listen to incoming notes
+  MIDI.read();
+}
+
+// ====================================================================================
+// Event handlers for incoming MIDI messages
+// ====================================================================================
+
+// -----------------------------------------------------------------------------
+// Device connected
+// -----------------------------------------------------------------------------
+void OnConnected() {
+  isConnected = true;
+  digitalWrite(LED_BUILTIN, HIGH);
+}
+
+// -----------------------------------------------------------------------------
+// Device disconnected
+// -----------------------------------------------------------------------------
+void OnDisconnected() {
+  isConnected = false;
+  digitalWrite(LED_BUILTIN, LOW);
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+void OnMidiSysEx(byte* data, unsigned length) {
+  Serial.print(F("SYSEX: ("));
+  Serial.print(length);
+  Serial.print(F(" bytes) "));
+  for (uint16_t i = 0; i < length; i++)
+  {
+    Serial.print(data[i], HEX);
+    Serial.print(" ");
+  }
+  Serial.println();
+}
diff --git a/examples/SysEx_Send/SysEx_Send.ino b/examples/SysEx_Send/SysEx_Send.ino
index 35490bc..67df0a0 100644
--- a/examples/SysEx_Send/SysEx_Send.ino
+++ b/examples/SysEx_Send/SysEx_Send.ino
@@ -41,13 +41,13 @@ bool isConnected = false;
 // -----------------------------------------------------------------------------
 void setup()
 {
-  MIDI.begin();
-
   pinMode(LED_BUILTIN, OUTPUT);
   digitalWrite(LED_BUILTIN, LOW);
 
   BLEMIDI.setHandleConnected(OnConnected);
   BLEMIDI.setHandleDisconnected(OnDisconnected);
+
+  MIDI.begin();
 }
 
 // -----------------------------------------------------------------------------
@@ -84,4 +84,4 @@ void OnConnected() {
 void OnDisconnected() {
   isConnected = false;
   digitalWrite(LED_BUILTIN, LOW);
-}
+}
\ No newline at end of file
diff --git a/src/BLEMIDI.h b/src/BLEMIDI.h
index eccf091..7ec29dd 100644
--- a/src/BLEMIDI.h
+++ b/src/BLEMIDI.h
@@ -27,7 +27,6 @@ private:
     
     char mDeviceName[24];
 
-    bool mIsSysEx;
     uint8_t mTimestampLow;
 
 private:
@@ -54,7 +53,7 @@ public:
     {
         getMidiTimestamp(&mTxBuffer[0], &mTxBuffer[1]);
         mTxIndex = 2;
-        mTimestampLow = mTxBuffer[1];
+        mTimestampLow = mTxBuffer[1]; // or generate new ?
       
         return true;
     }
@@ -72,21 +71,21 @@ public:
 
     void endTransmission()
     {
-    if (mTxBuffer[mTxIndex - 1] == 0xF7)
-    {
-        if (mTxIndex >= sizeof(mTxBuffer))
+        if (mTxBuffer[mTxIndex - 1] == 0xF7)
         {
-            mBleClass.write(mTxBuffer, mTxIndex - 1);
+            if (mTxIndex >= sizeof(mTxBuffer))
+            {
+                mBleClass.write(mTxBuffer, mTxIndex - 1);
 
-            mTxIndex = 1; // keep header
-            mTxBuffer[mTxIndex++] = mTimestampLow;
+                mTxIndex = 1; // keep header
+                mTxBuffer[mTxIndex++] = mTimestampLow; // or generate new ?  
+            }
+            else
+            {
+                mTxBuffer[mTxIndex - 1] = mTimestampLow; // or generate new ?
+            }
+            mTxBuffer[mTxIndex++] = 0xF7;
         }
-        else
-        {
-            mTxBuffer[mTxIndex - 1] = mTimestampLow;
-        }
-        mTxBuffer[mTxIndex++] = 0xF7;
-    }
 
         mBleClass.write(mTxBuffer, mTxIndex);
         mTxIndex = 0;