добавила пин для платы старт

libraries/IRremote/examples/SendRawDemo/SendRawDemo.ino

@@ -41,7 +41,7 @@
 //#define USE_NO_SEND_PWM           // Use no carrier PWM, just simulate an active low receiver signal. Overrides SEND_PWM_BY_TIMER definition
 //#define NO_LED_FEEDBACK_CODE      // Saves 566 bytes program memory
 
-#define IR_SEND_PIN 3
+#define IR_SEND_PIN 3 // P0_0
 /*
  * Helper macro for getting a macro definition as string
  */