diff --git a/examples/osd/opentrigger-board/opentrigger.h b/examples/osd/opentrigger-board/opentrigger.h
new file mode 100644
index 000000000..bea6708f8
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+++ b/examples/osd/opentrigger-board/opentrigger.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2014, Ralf Schlatterbeck Open Source Consulting
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file is part of the Contiki operating system.
+ */
+
+/**
+ * \devgroup Arduino Process
+ *
+ * This wraps the Arduino-API entry points `loop` and `setup` in a
+ * contiki process.
+ *
+ * If the normal contiki includes are used and resources initialized in
+ * `setup`, Contiki resources can be used in an arduino sketch.
+ *
+ * @{
+ */
+
+/**
+ * \file
+ *        Wrapper for Arduino sketches
+ * \author
+ *        Ralf Schlatterbeck <rsc@runtux.com>
+ *
+ */
+
+#include "contiki.h"
+
+/*--------------- enable sleep mode ---------------------------------------*/
+void mcu_sleep_on(void);
+/*--------------- disable sleep mode ---------------------------------------*/
+void mcu_sleep_off(void);
+/*---------------- set sleep value ------------------------------------*/
+void mcu_sleep_set(uint8_t value);
+
+extern void loop         (void);
+extern void setup        (void);
+extern void arduino_init (void);
+
+extern struct process arduino_sketch;
+
+/*
+ * VI settings, see coding style
+ * ex:ts=8:et:sw=2
+ */
+
+/** @} */