write a C program for blinking light using function ** make sure it will compile Solution GPIO is General purpose input output it is very useful for blinking a led. GPIO is configured with input and output. itis micro controller. #include /* PORT B0 is the microcontroller */ int main() { unsigned int signal =0; /* Configure GPIO with input and output */ DDRB = 0x01; while(1) { for (signal =0;signal <50000;signal ++) { PORTB = 0x00; } for (signal =0;signal <50000;signal ++) { PORTB = 0x01; } } return 0; }.