diff --git a/sw/airborne/modules/demo_module/demo_module.c b/sw/airborne/modules/demo_module/demo_module.c
new file mode 100644
index 0000000000..2cfe3f451c
--- /dev/null
+++ b/sw/airborne/modules/demo_module/demo_module.c
@@ -0,0 +1,49 @@
+/*
+ * $Id$
+ *  
+ * Copyright (C) 2009  Gautier Hattenberger
+ *
+ * This file is part of paparazzi.
+ *
+ * paparazzi is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * paparazzi is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with paparazzi; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA. 
+ *
+ */
+
+#include "demo_module.h"
+#include "led.h"
+
+void init_demo(void) {
+  // this part is already done by led_init in fact
+  LED_INIT(DEMO_MODULE_LED);
+  LED_OFF(DEMO_MODULE_LED);
+}
+
+void periodic_1Hz_demo(void) {
+  LED_TOGGLE(DEMO_MODULE_LED);
+}
+
+void periodic_10Hz_demo(void) {
+  LED_TOGGLE(DEMO_MODULE_LED);
+}
+
+void start_demo(void) {
+  LED_ON(DEMO_MODULE_LED);
+}
+
+void stop_demo(void) {
+  LED_OFF(DEMO_MODULE_LED);
+}
+
diff --git a/sw/airborne/modules/demo_module/demo_module.h b/sw/airborne/modules/demo_module/demo_module.h
new file mode 100644
index 0000000000..387f1ac4ff
--- /dev/null
+++ b/sw/airborne/modules/demo_module/demo_module.h
@@ -0,0 +1,43 @@
+/*
+ * $Id$
+ *  
+ * Copyright (C) 2009  Gautier Hattenberger
+ *
+ * This file is part of paparazzi.
+ *
+ * paparazzi is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * paparazzi is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with paparazzi; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA. 
+ *
+ */
+
+/** \file demo_module.h
+ * 
+ * demo module with blinking LEDs
+ */
+
+#ifndef DEMO_MODULE_H
+#define DEMO_MODULE_H
+
+#ifndef DEMO_MODULE_LED
+#define DEMO_MODULE_LED 2
+#endif
+
+void init_demo(void);
+void periodic_1Hz_demo(void);
+void periodic_10Hz_demo(void);
+void start_demo(void);
+void stop_demo(void);
+
+#endif