successfully designed AT89S52 microcontroller used to control the entire information system with sevensegment display and ULN2003 serves as a current amplifier to activate the seven segment LED displaycompilers The sensor are used is AT89S52 based wireless remote control with a maximum distance of thesensor placement that is sensor with a frequency of 27 MHz is 19 m and the sensor with a frequency of 49MHz is 20 m while for the sensor with a frequency of 27 MHz

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