Microcontrollers Programmable controllers 514 Programming 179 Arduino (Programmable controller) 140 Design and construction 132 Automatic control 126 Robots 63 Detectors 54 Embedded computer systems 50 Mobile robots 48 Control systems 43 Robotics 41 Microprocessors 38 Digital control systems 37 Internet of things 35 Autonomous robots 31 Sensor networks 30 Ultrasonics 30 Electronic alarm systems 29 Global system for mobile communications 29 Wireless communication systems 27 Light emitting diodes 26 Solar energy 24 Monitoring systems 22 Automobiles 21 Electronic control 21 C (Computer program language) 20 Motor vehicles 19 Submersibles 18 Control 17