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diff --git a/peripheral/libupm/src/mq303a/mq303a.h b/peripheral/libupm/src/mq303a/mq303a.h
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+/*
+ * Author: Jon Trulson <jtrulson@ics.com>
+ * Copyright (c) 2014 Intel Corporation.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#pragma once
+
+#include <string>
+#include <mraa/aio.h>
+
+namespace upm {
+
+  /**
+   * @brief MQ303A Alcohol Sensor library
+   * @defgroup mq303a libupm-mq303a
+   * @ingroup seeed analog gpio gaseous tsk
+   */
+  /**
+   * @library mq303a
+   * @sensor mq303a
+   * @comname MQ303A Alcohol Sensor
+   * @altname Grove Alcohol Sensor
+   * @type gaseous
+   * @man seeed
+   * @web http://www.seeedstudio.com/wiki/Grove_-_Alcohol_Sensor
+   * @con analog gpio
+   * @kit tsk
+   *
+   * @brief API for the MQ303A Alcohol Sensor
+   *
+   * UPM module for the MQ303A alcohol sensor.
+   * This sensor needs to be warmed up before stable results are
+   * obtained. The higher the value returned from value(),
+   * the higher the amount of alcohol detected.
+   *
+   * @image html mq303a.jpg
+   * @snippet mq303a.cxx Interesting
+   */
+  class MQ303A {
+  public:
+    /**
+     * MQ303A constructor
+     *
+     * @param pin Analog pin to use
+     * @param heaterPin Digital pin mapped to the analog pin to use
+     */
+    MQ303A(int pin, int heaterPin);
+
+    /**
+     * MQ303A destructor
+     */
+    ~MQ303A();
+
+    /**
+     * Gets the alcohol reading from the sensor.  
+     * The value read from the analog pin is inverted.  
+     * A higher returned value means a higher amount of alcohol detected.
+     *
+     * @return Alcohol reading
+     */
+    int value();
+
+    /**
+     * Enables the heater
+     *
+     * @param enable Enables the heater if true; otherwise, disables it
+     */
+    void heaterEnable(bool enable);
+
+  private:
+    mraa_aio_context m_aio;
+    mraa_gpio_context m_gpio;
+  };
+}
+
+