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+// Test code for Ultimate GPS Using Hardware Serial
+// (e.g. GPS for Leonardo, Flora or FeatherWing)
+//
+// This code shows how to test a passthru between USB and hardware serial
+//
+// Tested and works great with the Adafruit GPS FeatherWing
+// ------> https://www.adafruit.com/products/3133
+// or Flora GPS
+// ------> https://www.adafruit.com/products/1059
+// but also works with the shield, breakout
+// ------> https://www.adafruit.com/products/1272
+// ------> https://www.adafruit.com/products/746
+//
+// Pick one up today at the Adafruit electronics shop
+// and help support open source hardware & software! -ada
+
+
+// what's the name of the hardware serial port?
+#define GPSSerial Serial1
+
+
+void setup() {
+  // make this baud rate fast enough to we aren't waiting on it
+  Serial.begin(115200);
+
+  // wait for hardware serial to appear
+  while (!Serial) delay(10);
+
+  // 9600 baud is the default rate for the Ultimate GPS
+  GPSSerial.begin(9600);
+}
+
+
+void loop() {
+  if (Serial.available()) {
+    char c = Serial.read();
+    GPSSerial.write(c);
+  }
+  if (GPSSerial.available()) {
+    char c = GPSSerial.read();
+    Serial.write(c);
+  }
+}