Remote control Control systems 46 Electronic control 46 Robots 33 Wireless communication systems 29 Computer programs 24 Radio frequency 24 Infrared detectors 18 Design and construction 16 Infrared technology 16 Robotics 15 Bluetooth technology 14 Control 14 Mobile robots 14 Automatic control 13 Electric power systems 12 Mobile communication systems 12 Operating systems (Computers) 12 Programmable controllers 12 Global system for mobile communications 10 Home automation 10 Electronic apparatus and appliances 8 Graphical user interfaces (Computer systems) 8 Telecommunication systems 8 LEGO toys 7 Popular works 6 Switching control 6 Automobiles 5 Household appliances, Electric 5 Security systems 5