diff --git a/README.md b/README.md
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+# websocket2minitel
+
+Very simple, quick and dirty python script creating a bridge between a websocket based vidotex server and a local Minitel connected through a serial port.
+
+## Requirements
+
+python modules:
+- websockets
+- pyserial
+
+## Install
+
+pip install -r requirements.txt
+
+## Usage
+
+python websocket2minitel.py <websocketURL> <serialPort> <serialSpeed>
+
+Example:
+
+python websocket2minitel.py 'ws://mntl.joher.com:2018' /dev/ttyUSB0 4800
+python websocket2minitel.py 'wss://3615co.de/ws' /dev/ttyUSB0 1200
diff --git a/websocket2minitel.py b/websocket2minitel.py
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+import serial
+import asyncio
+import websockets
+import sys
+
+ser = None  # serial connection
+ws = None   # websocket connection
+
+
+async def bridge(url, tty, speed):
+    "Initializes connection to websocket and local serial port"
+    global ser, ws
+
+    ser = serial.Serial(tty, speed, parity=serial.PARITY_EVEN,
+                        bytesize=7, timeout=1)
+    ws = await websockets.connect(url)
+    ser.write(b'\x07\x0c\x1f\x40\x41connexion\x0a')
+    # cancel local echo (keyboard > modem > screen)
+    ser.write(b'\x1b\x3b\x60\x58\x52')
+
+
+async def w2m():
+    "websocket > minitel"
+    while (True):
+        data = await ws.recv()
+        ser.write(data.encode())
+
+
+async def m2w():
+    "websocket < minitel"
+    while (True):
+        if ser.inWaiting() > 0:
+            tosend = ser.read(ser.inWaiting()).decode()
+            await ws.send(tosend)
+        else:
+            await asyncio.sleep(0.1)
+
+
+if __name__ == '__main__':
+    loop = asyncio.get_event_loop()
+    loop.run_until_complete(bridge(sys.argv[1], sys.argv[2], sys.argv[3]))
+    loop.run_until_complete(asyncio.gather(w2m(), m2w()))