diff --git a/Python/tx_cron.py b/Python/tx_cron.py
new file mode 100644
index 0000000..53ffbe9
--- /dev/null
+++ b/Python/tx_cron.py
@@ -0,0 +1,87 @@
+import os
+import time
+from subprocess import getoutput
+
+import GPUtil
+from pySerialTransfer import pySerialTransfer as txfer
+
+try:
+    # ---
+    # You will need to customize port to your own computer; to find your port:
+    # With your Arduino plugged in, open Arduino IDE, and click "Select Board". Then, you can see the port.
+    # The port of the Uno will be "/dev/ttyXXX#", like "/dev/ttyACM0" or "/dev/ttyUSB0". I think macOS is the same.
+    # Then, just remove "/dev/", and the number, from the port, and type it into the variable `port`
+    # ---
+
+    port = 'ttyACM'
+    ports = getoutput(f'ls /dev | grep {port}').split('\n')
+    if ports != ['']:
+        ports.sort()
+        port = ports[len(ports) - 1]
+
+    link = txfer.SerialTransfer(port, 115200, timeout=.1)
+
+    link.open()
+    time.sleep(2)
+
+    gpus = GPUtil.getGPUs()
+    temp = max(gpu.temperature for gpu in gpus)
+
+    speed = int(((temp - 40) / 40) * 100)
+    min_speed = 0
+    max_speed = 100
+    if speed < 0:
+        speed = min_speed
+    elif speed > 100:
+        speed = max_speed
+
+    print(f'Temp: {temp}')
+    print(f'Speed: {speed}')
+
+    ################################################################################################################
+    # Send data to the Arduino
+    ################################################################################################################
+
+    # send_size will be increased when data is added to payload
+    send_size = 0
+
+    # Adds data to payload
+    int_size = link.tx_obj(speed, send_size) - send_size
+    send_size += int_size
+
+    # Sends data to Arduino
+    link.send(send_size)
+
+    # Waits for response from Arduino, and reports errors while receiving packets
+    current_time = time.strftime("%H:%M:%S", time.localtime())
+    error = current_time
+    while not link.available():
+        if link.status < 0:
+            if link.status == txfer.CRC_ERROR:
+                error += ': CRC_ERROR'
+            elif link.status == txfer.PAYLOAD_ERROR:
+                error += ': PAYLOAD_ERROR'
+            elif link.status == txfer.STOP_BYTE_ERROR:
+                error += ': STOP_BYTE_ERROR'
+            else:
+                print('Error: {}'.format(link.status))
+    
+    link.close()
+
+except KeyboardInterrupt:
+    try:
+        link.close()
+    
+    except:
+        pass
+
+except:
+    import traceback
+
+    traceback.print_exc()
+
+    try:
+        link.close()
+    
+    except:
+        pass