удалила лишнее, протестировала

libraries/IRremote/examples/IRremoteExtensionTest/IRremoteExtensionTest.ino

@@ -30,36 +30,37 @@
  */
 #include <Arduino.h>
 
-#include "PinDefinitionsAndMore.h" // Define macros for input and output pin etc.
+//#include "PinDefinitionsAndMore.h" // Define macros for input and output pin etc.
 
 #if !defined(RAW_BUFFER_LENGTH)
-// For air condition remotes it requires 750. Default is 200.
-#  if (defined(RAMEND) && RAMEND <= 0x4FF) || (defined(RAMSIZE) && RAMSIZE < 0x4FF)
-#define RAW_BUFFER_LENGTH  360
-#  else
 #define RAW_BUFFER_LENGTH  750
-#  endif
 #endif
 
 #include <IRremote.hpp>
 
 #include "IRremoteExtensionClass.h"
 
+/*
+ * Helper macro for getting a macro definition as string
+ */
+#if !defined(STR_HELPER)
+#define STR_HELPER(x) #x
+#define STR(x) STR_HELPER(x)
+#endif
+
+#define IR_RECEIVE_PIN  2
+
 /*
  * Create the class, which itself uses the IRrecv class from IRremote
  */
 IRExtensionClass IRExtension(&IrReceiver);
 
 void setup() {
-    Serial.begin(115200);
+    Serial.begin(9600);
     while (!Serial)
         ; // Wait for Serial to become available. Is optimized away for some cores.
 
-#if defined(__AVR_ATmega32U4__) || defined(SERIAL_PORT_USBVIRTUAL) || defined(SERIAL_USB) /*stm32duino*/|| defined(USBCON) /*STM32_stm32*/ \
-    || defined(SERIALUSB_PID)  || defined(ARDUINO_ARCH_RP2040) || defined(ARDUINO_attiny3217)
-    delay(4000); // To be able to connect Serial monitor after reset or power up and before first print out. Do not wait for an attached Serial Monitor!
-#endif
-// Just to know which program is running on my Arduino
+    // Just to know which program is running on my Arduino
     Serial.println(F("START " __FILE__ " from " __DATE__ "\r\nUsing library version " VERSION_IRREMOTE));
 
     // Start the receiver and if not 3. parameter specified, take LED_BUILTIN pin from the internal boards definition as default feedback LED