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I am fairly new to coding and the microcontroller all together.
I'm trying to have an SPI tansfer between two ATMega168s using C programming.
Here is my code:
#include <avr/io.h>
#include <util/delay.h>
#define SPI_PORT PORTB
#define SPI_DDR DDRB
#define SPI_CS PB2
unsigned char...
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