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High-performance compact printed circuit board antenna for e.g. smart home devices, has thin metal sheet that is printed with circuit pattern, which creates antenna's radiating elements for converting electrical signals into radio waves 2023-10-16
Method for detecting motion and triggering appropriate actions of passive infrared (PIR) motion sensor based on detected movement, involves triggering output signal by PIR sensor in form of electrical pulse or switch closure, once motion is detected, where signal is used to activate alarms 2023-10-16
Arduino based human following robot for use in indoor environments, has four-wheel robotic vehicle that is mounted with separate microprocessor and control unit along with different sensors and modules 2023-10-16
Radio frequency identification (RFID) door lock using RFID technology to grant access to authorized users, is more secure than existing key-based locks because RFID cards are difficult to duplicate and programmed to only work with specific locks 2023-10-16