add python script

serial_listener.py

@@ -0,0 +1,11 @@
+# from https://stackoverflow.com/questions/26047544/python-serial-port-listener
+import serial
+import select
+
+timeout = 10
+conn = serial.Serial("/dev/ttyUSB0", 115200, timeout=0)
+read,_,_ = select.select([conn], [], [], timeout)
+while True:
+	read_data = conn.read(0x100)
+	if read_data:
+		print(read_data)