Relay with PIC18F4520 Starter Board
Code
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#include "gpio.h" | |
#define Relay PD_0 // Relay is connected to PORTD.0 | |
#define SW1 PD_2 // Switch is connected to PORTD.2 | |
/* start the main program */ | |
void main() | |
{ | |
uint8_t value; | |
GPIO_PinDirection(SW1,INPUT); // Configure the switch pin as Input | |
GPIO_PinDirection(Relay,OUTPUT); // Configure the Relay pin as OUTPUT | |
while(1) | |
{ | |
value = GPIO_PinRead(SW1); // Read the switch status | |
GPIO_PinWrite(Relay,!value); // ON/OFF the Relay as per switch status | |
} | |
} |