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This paper reports the design and testing of an embedded system for a low-cost small scaled helicopter (Benzin Acrobatic from Vario TM with a 1.8m diameter rotor). The sensors under consideration are an Inertial Measurement Unit (IMU), a GPS, a magnetometer, a barometer and on–off switches serving as take-off and landing detector. Along with one PC board and one micro-controller, they represent...