Sleep the CPU after first iteration, for sanity

main.c

@@ -8,6 +8,7 @@
 #define LED_PIN PB5  // Define the pin connected to the LED
 
 #include <avr/io.h>
+#include <avr/sleep.h>
 #include <math.h>
 #include <util/delay.h>
 
@@ -55,7 +56,7 @@ int main(void) {
         MPU6050_Read_Accel(accel_data);
 
         UART_println("Accelerometer (mg): X=%d, Y=%d, Z=%d", accel_data[0], accel_data[1], accel_data[2]);
-        _delay_ms(1000);
+        sleep_mode();
     }
 
     return 0;