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| DECLARE THE INPUTS AND THE OUTPUTS |
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| MAIN FUNCTIONS (UP, DOWN, LEFT AND RIGHT) |
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| PIC16f877A, SWITCHES AND LEDS |
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| FORWARD ( LIGHTING TWO LED'S TO REPRESENT THE RELAYS) |
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| REVERSE ( LIGHTING THE OTHER TWO LED'S) |
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| TURN LEFT ( TURN ON THE RIGHT MOTOR BY SUPPLYING CURRENT TO THE FIRST RELAY) |
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| TURN RIGHT ( TURN ON THE LEFT MOTOR BY SUPPLYING CURRENT TO THE SECOND RELAY) |
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