Description: This design USES the special car to AT89S52 single chip microcomputer as control core, to ultrasonic range finder, detection circuit, communication part, liquid crystal display, power supply circuit and other circuit composition. System is composed of 89 s52 through the IO port control the car forward and backward and steering. Ultrasonic distance measuring instrument used to measure the car in a closed in the site specific coordinates. Detection circuit used to detect COINS, the communication system will be the first car of measured coin position to the second car, car will according to the received data automatically find the COINS. At the same time the system will measure the data through the liquid crystal display.
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dianzixiaomifeng.doc
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