diff --git a/tools/fw_simulator/comtest.py b/tools/fw_simulator/comtest.py
new file mode 100644
index 00000000..cd5b16ec
--- /dev/null
+++ b/tools/fw_simulator/comtest.py
@@ -0,0 +1,47 @@
+import serial
+import time
+import sys
+
+# Serial Port Configuration
+port = 'COM3' 
+baudrate = 1000000
+
+try:
+    ser = serial.Serial(
+        port=port,
+        baudrate=baudrate,
+        parity=serial.PARITY_NONE,
+        stopbits=serial.STOPBITS_ONE,
+        bytesize=serial.EIGHTBITS,
+        timeout=1  # Add a timeout to the serial port read operation
+    )
+except serial.SerialException as e:
+    print(f"Error opening {port}: {str(e)}")
+    sys.exit(1)  # exit the program with an error code
+
+# Simulate a response from the printer
+response = b'ok T:19.91 /0.00 B:19.88 /0.00 @:127 B@:0\r\n'
+
+print("Serial port opened successfully.")   
+
+try:
+    while True:
+        if ser.in_waiting > 0:
+            data = ser.readline().strip()
+            if data == b'M105' or data == b'M105\r':
+                print(f"Got: {data}")
+                ser.write(response)
+                print(f"Sent: {response}")
+            else:
+                print(f"Ignoring: {data}")
+        
+        time.sleep(0.1)  # Sleep for 100 milliseconds
+
+except KeyboardInterrupt:
+    print("\n\nKeyboard Interrupt Detected. Exiting...")
+except Exception as e:
+    print(f"Error: {str(e)}")
+finally:
+    if ser.is_open:
+        ser.close()
+        print("Serial port closed successfully.")
diff --git a/tools/fw_simulator/fw_simulator.py b/tools/fw_simulator/fw_simulator.py
index efe4a30c..a8477ffd 100644
--- a/tools/fw_simulator/fw_simulator.py
+++ b/tools/fw_simulator/fw_simulator.py
@@ -32,7 +32,7 @@ def main():
     for port, desc, hwid in sorted(ports):
         print(common.bcolors.COL_GREEN+" - {}: {} ".format(port, desc)+common.bcolors.END_COL)
         desc.capitalize()
-        if (desc.find("SERIAL") != -1):
+        if (desc.find("SERIAL") != -1 or desc.find("UART") != -1):
             portTFT = port
             print(common.bcolors.COL_GREEN +
                   "Found " + portTFT + " for ESP3D"+common.bcolors.END_COL)
@@ -41,7 +41,7 @@ def main():
     if (portTFT == ""):
         print(common.bcolors.COL_RED+"No serial port found"+common.bcolors.END_COL)
         exit(0)
-    ser = serial.Serial(portTFT, 115200)
+    ser = serial.Serial(portTFT, 1000000)
     print(common.bcolors.COL_GREEN+"Now Simulating: " + fw_name + common.bcolors.END_COL)
     starttime = common.current_milli_time()
     # loop forever, just unplug the port to stop the program or do ctrl-c