удалила лишнее из примеров

libraries/IRremote/examples/TinySender/TinySender.ino

@@ -46,14 +46,15 @@
  */
 #include <Arduino.h>
 
-#include "PinDefinitionsAndMore.h" // Set IR_SEND_PIN for different CPU's
+#define IR_SEND_PIN 3
+
 
 #include "TinyIRSender.hpp"
 
 void setup() {
     pinMode(LED_BUILTIN, OUTPUT);
 
-    Serial.begin(115200);
+    Serial.begin(9600);
     while (!Serial)
         ; // Wait for Serial to become available. Is optimized away for some cores.