Description: The design is based on MSP430G2553 and LDC1000 chip of TI company as the probe positioner of a metal object core design. Using MSP430G2553 singlechip as the system control processor,LDC1000 inductor / digital converter uation board as metal objects on the coins and ring detection probe. When detecting the coins or ring when the singlechipr through the feedback information to control the car does not move and position. At the same time, the use of PWM DC motor speed control technology,complete control of the car speed and direction of motion, and sound and light whether the detected coins or ring buzzer and light-emitting diodes. The use of single supply at the same time, the electrical part, the chip part and a display part for power supply.
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