diff --git a/arduino/pro_micro/Blink_Pro_Micro.ino b/arduino/pro_micro/Blink_Pro_Micro.ino
new file mode 100644
index 00000000..68a6c2b0
--- /dev/null
+++ b/arduino/pro_micro/Blink_Pro_Micro.ino
@@ -0,0 +1,45 @@
+/* Pro Micro Test Code
+   by: Nathan Seidle
+   modified by: Jim Lindblom
+   SparkFun Electronics
+   date: September 16, 2013
+   license: Public Domain - please use this code however you'd like.
+   It's provided as a learning tool.
+
+   This code is provided to show how to control the SparkFun
+   ProMicro's TX and RX LEDs within a sketch. It also serves
+   to explain the difference between Serial.print() and
+   Serial1.print().
+*/
+
+int RXLED = 17;  // The RX LED has a defined Arduino pin
+// Note: The TX LED was not so lucky, we'll need to use pre-defined
+// macros (TXLED1, TXLED0) to control that.
+// (We could use the same macros for the RX LED too -- RXLED1,
+//  and RXLED0.)
+
+void setup()
+{
+  pinMode(RXLED, OUTPUT);  // Set RX LED as an output
+  // TX LED is set as an output behind the scenes
+
+  Serial.begin(9600); //This pipes to the serial monitor
+  Serial.println("Initialize Serial Monitor");
+
+  Serial1.begin(9600); //This is the UART, pipes to sensors attached to board
+  Serial1.println("Initialize Serial Hardware UART Pins");
+}
+
+void loop()
+{
+  Serial.println("Hello world!");  // Print "Hello World" to the Serial Monitor
+  Serial1.println("Hello! Can anybody hear me?");  // Print "Hello!" over hardware UART
+
+  digitalWrite(RXLED, LOW);   // set the RX LED ON
+  TXLED0; //TX LED is not tied to a normally controlled pin so a macro is needed, turn LED OFF
+  delay(1000);              // wait for a second
+
+  digitalWrite(RXLED, HIGH);    // set the RX LED OFF
+  TXLED1; //TX LED macro to turn LED ON
+  delay(1000);              // wait for a second
+}