Minor example formatting

Author: sandeepmistry

examples/CANReceiver/CANReceiver.ino

@@ -11,7 +11,7 @@ void setup() {
   Serial.println("CAN Receiver");
 
   // start the CAN bus at 500 kbps
-  if (!CAN.begin(500e3)) {
+  if (!CAN.begin(500E3)) {
     Serial.println("Starting CAN failed!");
     while (1);
   }

examples/CANReceiverCallback/CANReceiverCallback.ino

@@ -11,7 +11,7 @@ void setup() {
   Serial.println("CAN Receiver Callback");
 
   // start the CAN bus at 500 kbps
-  if (!CAN.begin(500e3)) {
+  if (!CAN.begin(500E3)) {
     Serial.println("Starting CAN failed!");
     while (1);
   }

examples/CANSender/CANSender.ino

@@ -11,7 +11,7 @@ void setup() {
   Serial.println("CAN Sender");
 
   // start the CAN bus at 500 kbps
-  if (!CAN.begin(500e3)) {
+  if (!CAN.begin(500E3)) {
     Serial.println("Starting CAN failed!");
     while (1);
   }