diff --git a/utrasonicSensor/MeUltrasonicSensor.h b/utrasonicSensor/MeUltrasonicSensor.h
new file mode 100644
index 0000000..e3dceb9
--- /dev/null
+++ b/utrasonicSensor/MeUltrasonicSensor.h
@@ -0,0 +1,173 @@
+/**
+ * \par Copyright (C), 2012-2016, MakeBlock
+ * \class MeUltrasonicSensor
+ * \brief Driver for Me ultrasonic sensor device.
+ * @file MeUltrasonicSensor.h
+ * @author MakeBlock
+ * @version V1.0.1
+ * @date 2016/06/25
+ * @brief Header for for MeUltrasonicSensor.cpp module
+ *
+ * \par Copyright
+ * This software is Copyright (C), 2012-2016, MakeBlock. Use is subject to license \n
+ * conditions. The main licensing options available are GPL V2 or Commercial: \n
+ *
+ * \par Open Source Licensing GPL V2
+ * This is the appropriate option if you want to share the source code of your \n
+ * application with everyone you distribute it to, and you also want to give them \n
+ * the right to share who uses it. If you wish to use this software under Open \n
+ * Source Licensing, you must contribute all your source code to the open source \n
+ * community in accordance with the GPL Version 2 when your application is \n
+ * distributed. See http://www.gnu.org/copyleft/gpl.html
+ *
+ * \par Copyright
+ * This software is Copyright (C), 2012-2015, MakeBlock. Use is subject to license \n
+ * conditions. The main licensing options available are GPL V2 or Commercial: \n
+ *
+ * \par Open Source Licensing GPL V2
+ * This is the appropriate option if you want to share the source code of your \n
+ * application with everyone you distribute it to, and you also want to give them \n
+ * the right to share who uses it. If you wish to use this software under Open \n
+ * Source Licensing, you must contribute all your source code to the open source \n
+ * community in accordance with the GPL Version 2 when your application is \n
+ * distributed. See http://www.gnu.org/copyleft/gpl.html
+ *
+ * \par Description
+ * This file is a drive for Me ultrasonic sensor device, It supports ultrasonic sensor
+ * V3.0 provided by the MakeBlock.
+ *
+ * \par Method List:
+ *
+ * 1. void MeUltrasonicSensor::setpin(uint8_t SignalPin)
+ * 2. double MeUltrasonicSensor::distanceCm(uint16_t MAXcm)
+ * 3. double MeUltrasonicSensor::distanceInch(uint16_t MAXinch)
+ * 4. long MeUltrasonicSensor::measure(unsigned long timeout)
+ *
+ * \par History:
+ *
+ * `` `
+ */
+#ifndef MeUltrasonicSensor_H
+#define MeUltrasonicSensor_H
+
+#include
+#include
+#include
+#include "MeConfig.h"
+
+#ifdef ME_PORT_DEFINED
+#include "MePort.h"
+#endif // ME_PORT_DEFINED
+
+/**
+ * Class: MeUltrasonicSensor
+ * \par Description
+ * Declaration of Class MeUltrasonicSensor.
+ */
+#ifndef ME_PORT_DEFINED
+class MeUltrasonicSensor
+#else // !ME_PORT_DEFINED
+class MeUltrasonicSensor : public MePort
+#endif // !ME_PORT_DEFINED
+{
+public:
+#ifdef ME_PORT_DEFINED
+/**
+ * Alternate Constructor which can call your own function to map the ultrasonic sensor to arduino port,
+ * no pins are used or initialized here.
+ * \param[in]
+ * None
+ */
+ MeUltrasonicSensor(void);
+
+/**
+ * Alternate Constructor which can call your own function to map the ultrasonic Sensor to arduino port
+ * \param[in]
+ * port - RJ25 port from PORT_1 to M2
+ */
+ MeUltrasonicSensor(uint8_t port);
+#else // ME_PORT_DEFINED
+/**
+ * Alternate Constructor which can call your own function to map the ultrasonic Sensor to arduino port,
+ * it will assigned the signal pin.
+ * \param[in]
+ * port - arduino port(should analog pin)
+ */
+ MeUltrasonicSensor(uint8_t port);
+#endif // ME_PORT_DEFINED
+
+/**
+ * \par Function
+ * setpin
+ * \par Description
+ * Reset the ultrasonic Sensor available PIN by its arduino port.
+ * \param[in]
+ * SignalPin - arduino port for sensor read(should analog pin)
+ * \par Output
+ * None
+ * \return
+ * None
+ * \par Others
+ * None
+ */
+ void setpin(uint8_t SignalPin);
+
+/**
+ * \par Function
+ * distanceCm
+ * \par Description
+ * Centimeters return the distance
+ * \param[in]
+ * MAXcm - The Max centimeters can be measured, the default value is 400.
+ * \par Output
+ * None
+ * \return
+ * The distance measurement in centimeters
+ * \par Others
+ * None
+ */
+ double distanceCm(uint16_t = 400);
+
+/**
+ * \par Function
+ * distanceInch
+ * \par Description
+ * Inch return the distance
+ * \param[in]
+ * MAXinch - The Max inch can be measured, the default value is 180.
+ * \par Output
+ * None
+ * \return
+ * The distance measurement in inch
+ * \par Others
+ * None
+ */
+ double distanceInch(uint16_t = 180);
+
+/**
+ * \par Function
+ * measure
+ * \par Description
+ * To get the duration of the ultrasonic sensor
+ * \param[in]
+ * timeout - This value is used to define the measurement range, The
+ * default value is 30000.
+ * \par Output
+ * None
+ * \return
+ * The duration value associated with distance
+ * \par Others
+ * None
+ */
+ long measure(unsigned long = 30000);
+private:
+ volatile uint8_t _SignalPin;
+ volatile bool _measureFlag;
+ volatile long _lastEnterTime;
+ volatile float _measureValue;
+};
+
+#endif
\ No newline at end of file
diff --git a/utrasonicSensor/utrasonicSensor.ino b/utrasonicSensor/utrasonicSensor.ino
new file mode 100644
index 0000000..0bd16ce
--- /dev/null
+++ b/utrasonicSensor/utrasonicSensor.ino
@@ -0,0 +1,34 @@
+/**
+ * \par Copyright (C), 2012-2016, MakeBlock
+ * @file UltrasonicSensorTest.ino
+ * @author MakeBlock
+ * @version V1.0.0
+ * @date 2015/09/01
+ * @brief Description: this file is sample code for Me ultrasonic sensor module.
+ *
+ * Function List:
+ * 1. double MeUltrasonicSensor::distanceCm(uint16_t MAXcm)
+ *
+ * \par History:
+ *
+ *
+ */
+//#include "MeOrion.h"
+#include
+
+MeUltrasonicSensor ultraSensor(PORT_3); /* Ultrasonic module can ONLY be connected to port 3, 4, 6, 7, 8 of base shield. */
+
+void setup()
+{
+ Serial.begin(9600);
+}
+
+void loop()
+{
+ Serial.print("Distance : ");
+ Serial.print(ultraSensor.distanceCm() );
+ Serial.println(" cm");
+ delay(100); /* the minimal measure interval is 100 milliseconds */
+}