diff --git a/examples/adk/term_test/term_test.ino b/examples/adk/term_test/term_test.ino
index db681c3b..2dea73fd 100644
--- a/examples/adk/term_test/term_test.ino
+++ b/examples/adk/term_test/term_test.ino
@@ -10,25 +10,25 @@
 USB Usb;
 //USBHub     Hub(&Usb);
 
-ADK adk(&Usb,"Circuits@Home, ltd.",
-            "USB Host Shield",
-            "Arduino Terminal for Android",
-            "1.0",
-            "http://www.circuitsathome.com",
-            "0000000000000001");
+ADK adk(&Usb, "Circuits@Home, ltd.",
+              "USB Host Shield",
+              "Arduino Terminal for Android",
+              "1.0",
+              "http://www.circuitsathome.com",
+              "0000000000000001");
 
 void setup()
 {
-	Serial.begin(115200);
+  Serial.begin(115200);
 #if !defined(__MIPSEL__)
   while (!Serial); // Wait for serial port to connect - used on Leonardo, Teensy and other boards with built-in USB CDC serial connection
 #endif
-	Serial.println("\r\nADK demo start");
+  Serial.println("\r\nADK demo start");
 
-        if (Usb.Init() == -1) {
-          Serial.println("OSCOKIRQ failed to assert");
-        while(1); //halt
-        }//if (Usb.Init() == -1...
+  if (Usb.Init() == -1) {
+    Serial.println("OSCOKIRQ failed to assert");
+    while (1); //halt
+  }//if (Usb.Init() == -1...
 }
 
 void loop()
@@ -37,29 +37,37 @@ void loop()
   uint8_t msg[64] = { 0x00 };
   const char* recv = "Received: ";
 
-   Usb.Task();
+  Usb.Task();
 
-   if( adk.isReady() == false ) {
-     return;
-   }
-   uint16_t len = 64;
+  if ( adk.isReady() == false ) {
+    return;
+  }
+  uint16_t len = 64;
 
-   rcode = adk.RcvData(&len, msg);
-   if( rcode & ( rcode != hrNAK )) {
-     USBTRACE2("Data rcv. :", rcode );
-   }
-   if(len > 0) {
-     USBTRACE("\r\nData Packet.");
+  rcode = adk.RcvData(&len, msg);
+  if ( rcode & ( rcode != hrNAK )) {
+    USBTRACE2("Data rcv. :", rcode );
+  }
+  if (len > 0) {
+    USBTRACE("\r\nData Packet.");
 
-    for( uint8_t i = 0; i < len; i++ ) {
+    for ( uint8_t i = 0; i < len; i++ ) {
       Serial.print((char)msg[i]);
     }
     /* sending back what was received */
     rcode = adk.SndData( strlen( recv ), (uint8_t *)recv );
+    if (rcode && rcode != hrNAK) {
+      Serial.print(F("\r\nData send: "));
+      Serial.print(rcode, HEX);
+    }
     rcode = adk.SndData( strlen(( char * )msg ), msg );
+    if (rcode && rcode != hrNAK) {
+      Serial.print(F("\r\nData send: "));
+      Serial.print(rcode, HEX);
+    }
 
-   }//if( len > 0 )...
+  }//if( len > 0 )...
 
-   delay( 1000 );
+  delay( 1000 );
 }
 
diff --git a/examples/adk/term_time/term_time.ino b/examples/adk/term_time/term_time.ino
index a3f1dbc8..778fb28f 100644
--- a/examples/adk/term_time/term_time.ino
+++ b/examples/adk/term_time/term_time.ino
@@ -9,25 +9,25 @@
 
 USB Usb;
 
-ADK adk(&Usb,"Circuits@Home, ltd.",
-            "USB Host Shield",
-            "Arduino Terminal for Android",
-            "1.0",
-            "http://www.circuitsathome.com",
-            "0000000000000001");
+ADK adk(&Usb, "Circuits@Home, ltd.",
+              "USB Host Shield",
+              "Arduino Terminal for Android",
+              "1.0",
+              "http://www.circuitsathome.com",
+              "0000000000000001");
 
 void setup()
 {
-	Serial.begin(115200);
+  Serial.begin(115200);
 #if !defined(__MIPSEL__)
   while (!Serial); // Wait for serial port to connect - used on Leonardo, Teensy and other boards with built-in USB CDC serial connection
 #endif
-	Serial.println("\r\nADK demo start");
+  Serial.println("\r\nADK demo start");
 
-        if (Usb.Init() == -1) {
-          Serial.println("OSCOKIRQ failed to assert");
-        while(1); //halt
-        }//if (Usb.Init() == -1...
+  if (Usb.Init() == -1) {
+    Serial.println("OSCOKIRQ failed to assert");
+    while (1); //halt
+  }//if (Usb.Init() == -1...
 }
 
 void loop()
@@ -36,15 +36,23 @@ void loop()
   const char* sec_ela = " seconds elapsed\r";
   uint8_t rcode;
 
-   Usb.Task();
-   if( adk.isReady() == false ) {
-     return;
-   }
+  Usb.Task();
+  if ( adk.isReady() == false ) {
+    return;
+  }
 
-    ultoa( millis()/1000, (char *)buf, 10 );
+  ultoa( millis() / 1000, (char *)buf, 10 );
 
-    rcode = adk.SndData( strlen((char *)buf), buf );
-    rcode = adk.SndData( strlen( sec_ela), (uint8_t *)sec_ela );
+  rcode = adk.SndData( strlen((char *)buf), buf );
+  if (rcode && rcode != hrNAK) {
+    Serial.print(F("\r\nData send: "));
+    Serial.print(rcode, HEX);
+  }
+  rcode = adk.SndData( strlen( sec_ela), (uint8_t *)sec_ela );
+  if (rcode && rcode != hrNAK) {
+    Serial.print(F("\r\nData send: "));
+    Serial.print(rcode, HEX);
+  }
 
-      delay( 1000 );
+  delay( 1000 );
 }