определяю разные пины для отправки для плат elbear и start

libraries/IRremote/src/private/IRTimer.hpp

@@ -2072,9 +2072,15 @@ extern "C" void __attribute__((noinline, section(".ram_text"), optimize("O3")))
   TIM16_CLEAR_INT_MASK(htimer16_0, 0xFFFFFFFF); // reset timer interrupt flags
 }
 
+// -------------------------- sending -------------------------- //
 # if defined(SEND_PWM_BY_TIMER)
 #include "pins_arduino.h" 
+
+#  if defined(ARDUINO_START_MIK32_V1)
+#define IR_SEND_PIN     P0_0
+#  else
 #define IR_SEND_PIN     3
+#  endif    // START_MIK32_V1
 
 static TIMER32_HandleTypeDef            ir_sender_htimer;
 static TIMER32_CHANNEL_HandleTypeDef    ir_sender_htimer_channel;