diff --git a/stempayload/Payload_BME280_MPU6050_XS/Payload_BME280_MPU6050_XS.ino b/stempayload/Payload_BME280_MPU6050_XS/Payload_BME280_MPU6050_XS.ino
index eee6f75b..bb897f0e 100644
--- a/stempayload/Payload_BME280_MPU6050_XS/Payload_BME280_MPU6050_XS.ino
+++ b/stempayload/Payload_BME280_MPU6050_XS/Payload_BME280_MPU6050_XS.ino
@@ -75,13 +75,22 @@ extern void payload_loop();  // sensor extension read function defined in payloa
 void setup() {
 	
   Serial.begin(115200); // Serial Monitor for testing
-	
+
+#if defined (ARDUINO_ARCH_MBED_RP2040) || (ARDUINO_ARCH_RP2040)
+  Serial.println("Pico with Mbed");
+#elif defined (!ARDUINO_ARCH_MBED_RP2040) || (ARDUINO_ARCH_RP2040)
+  Serial.println("Pico with RP2040");	
+#else
+  Serial.println("Pro Micro");
+#endif	
+/*	
 #ifdef ARDUINO_ARCH_RP2040	
    Serial1.setRX(1);
    delay(100);
    Serial1.setTX(0);
    delay(100);	
 #endif 
+*/	
   Serial1.begin(115200);  // for communication with Pi Zero 
 
   delay(1000);