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RS232,MAX232,AT89C2051,dc motor control

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thanator

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how to on off a dc motor using AT89C2051,and PC??
 

If its a small motor, then use transistor like a switch to control the motor or you can use a H-bridge circuit, these can be controlled by 89c2051 MCU with simple instructions.
For communication with PC, use serial port with hyperterminal.
 

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