Sensor networks Wireless LANs 217 Wireless communication systems 93 Detectors 65 Internet of things 42 Programmable controllers 35 Computer networks 34 Multisensor data fusion 34 Wireless sensor networks 34 Design and construction 32 Microcontrollers 30 Security measures 27 Automatic control 26 Computer network protocols 24 Data processing 22 Arduino (Programmable controller) 18 Monitoring systems 16 Ad hoc networks (Computer networks) 14 Heart rate monitoring 14 Intelligent agents (Computer software) 14 Signal processing 14 Digital techniques 13 Radio frequency identification systems 13 Cameras 12 Computer vision 12 Mobile computing 12 Programming 12 Raspberry Pi (Computer) 12 Solar energy 12 Standards 12