diff --git a/examples/IMU_Zero/Makefile b/examples/IMU_Zero/Makefile
index e5e6357..58286bd 100644
--- a/examples/IMU_Zero/Makefile
+++ b/examples/IMU_Zero/Makefile
@@ -1,21 +1,9 @@
 # BOARD_TAG = arduino:mbed_rp2040:pico
-BOARD_TAG = rp2040:rp2040:rpipico
-MONITOR_PORT = /dev/cu.usbmodem11401
+# BOARD_TAG = rp2040:rp2040:rpipico
+BOARD_TAG = esp32:esp32:XIAO_ESP32C3
+MONITOR_PORT = /dev/cu.usbmodem132401
 ARDUINO_CLI_PATH := arduino-cli
 
-help:
-	@echo "Usage: make [target] [BOARD=rp2040|esp32|esp32s3]"
-	@echo "Targets:"
-	@echo "  compile: compile the firmware"
-	@echo "  upload: upload the firmware to the board"
-	@echo "  monitor: monitor the serial port"
-	@echo "  clean: clean the cache"
-	@echo "  all: compile, upload, monitor"
-	@echo "Examples:"
-	@echo "  make compile BOARD=rp2040"
-	@echo "  make upload BOARD=rp2040"
-	@echo "  make all BOARD=esp32s3"
-
 compile:
 	$(ARDUINO_CLI_PATH) compile --fqbn $(BOARD_TAG) --export-binaries
 
diff --git a/examples/MPU6050_raw/Makefile b/examples/MPU6050_raw/Makefile
index 4748c58..58286bd 100644
--- a/examples/MPU6050_raw/Makefile
+++ b/examples/MPU6050_raw/Makefile
@@ -1,21 +1,9 @@
 # BOARD_TAG = arduino:mbed_rp2040:pico
-BOARD_TAG = rp2040:rp2040:rpipico
-MONITOR_PORT = /dev/cu.usbmodem11401
+# BOARD_TAG = rp2040:rp2040:rpipico
+BOARD_TAG = esp32:esp32:XIAO_ESP32C3
+MONITOR_PORT = /dev/cu.usbmodem132401
 ARDUINO_CLI_PATH := arduino-cli
 
-help:
-	@echo "Usage: make [target] [BOARD=rp2040|esp32|esp32s3]"
-	@echo "Targets:"
-	@echo "  compile: compile the firmware"
-	@echo "  upload: upload the firmware to the board"
-	@echo "  monitor: monitor the serial port"
-	@echo "  clean: clean the cache"
-	@echo "  all: compile, upload, monitor"
-	@echo "Examples:"
-	@echo "  make compile BOARD=rp2040"
-	@echo "  make upload BOARD=rp2040"
-	@echo "  make all BOARD=esp32s3"
-
 compile:
 	$(ARDUINO_CLI_PATH) compile --fqbn $(BOARD_TAG) --export-binaries
 
@@ -23,7 +11,7 @@ upload:
 	@$(ARDUINO_CLI_PATH) upload -p $(MONITOR_PORT) --fqbn $(BOARD_TAG) --verbose
 
 monitor:
-	@$(ARDUINO_CLI_PATH) monitor -p $(MONITOR_PORT) --config baudrate=38400
+	@$(ARDUINO_CLI_PATH) monitor -p $(MONITOR_PORT) --config baudrate=9600
 	# screen $(MONITOR_PORT) 9600
 
 clean:
diff --git a/library.properties b/library.properties
index 52aca82..64e09cc 100755
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=MPU6050
-version=1.3.0
+version=1.3.1
 author=Electronic Cats
 maintainer=Electronic Cats <store@electroniccats.com>
 sentence=MPU6050 Arduino Library.
diff --git a/src/MPU6050_9Axis_MotionApps41.cpp b/src/MPU6050_9Axis_MotionApps41.cpp
index 9d82c97..404d5a4 100644
--- a/src/MPU6050_9Axis_MotionApps41.cpp
+++ b/src/MPU6050_9Axis_MotionApps41.cpp
@@ -87,7 +87,7 @@ THE SOFTWARE.
 // after moving string constants to flash memory storage using the F()
 // compiler macro (Arduino IDE 1.0+ required).
 
-//#define DEBUG
+// #define DEBUG
 /* Control whether debugging macros are active at compile time */
 #undef DB_ACTIVE
 #ifdef DEBUG
@@ -597,7 +597,7 @@ uint8_t MPU6050_9Axis_MotionApps41::dmpInitialize() {
             #ifdef DEBUG
                 DEBUG_PRINT(F("Read bytes: "));
                 for (j = 0; j < 4; j++) {
-                    DEBUG_PRINTF(dmpUpdate[3 + j], HEX);
+                    DEBUG_PRINT(dmpUpdate[3 + j], HEX);
                     DEBUG_PRINT(" ");
                 }
                 DEBUG_PRINTLN("");