This happy controller is designed for the electro-instrumental practice of clarinet and electronics. This pedal rack is suitable to simultaneously interact with the clarinet and the electronic. The Happy Pedal is conceived to control in real-time whatever software unit. A suitable interface that could allow a direct and reliable control of DSP algorithms. Portable and robust, it fits into a backpack. The Happy Pedal features nine different controllers: five happy switches, three knob and the possibility to connect an expression pedal.