1 files changed, 31 insertions, 0 deletions
diff --git a/libraries/OBD/examples/rpm_led/rpm_led.ino b/libraries/OBD/examples/rpm_led/rpm_led.ino
new file mode 100644
index 0000000..c641736
--- /dev/null
+++ b/libraries/OBD/examples/rpm_led/rpm_led.ino
@@ -0,0 +1,31 @@
+/*************************************************************************
+* Sample sketch based on OBD-II library for Arduino
+* Distributed under GPL v2.0
+* Copyright (c) 2012-2013 Stanley Huang <stanleyhuangyc@gmail.com>
+* All rights reserved.
+*************************************************************************/
+
+#include <Arduino.h>
+#include "OBD.h"
+
+COBD obd;
+
+void setup()
+{
+  // we'll use the debug LED as output
+  pinMode(13, OUTPUT);  
+  // start serial communication at the adapter defined baudrate
+  OBDUART.begin(OBD_SERIAL_BAUDRATE);
+  // initiate OBD-II connection until success
+  while (!obd.Init());  
+}
+
+void loop()
+{
+  int value;
+  if (obd.ReadSensor(PID_RPM, value)) {
+    // RPM is read and stored in 'value'
+    // light on LED when RPM exceeds 5000
+    digitalWrite(13, value > 5000 ? HIGH : LOW);
+  }
+}