From df9250b0b23f2c9a1899aec5544a5b8f4c181c36 Mon Sep 17 00:00:00 2001
From: Alejandro Lopez Gestoso <alopez@iri.upc.edu>
Date: Fri, 30 Aug 2019 11:11:19 +0200
Subject: [PATCH] Update ReadMe.md

---
 ReadMe.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/ReadMe.md b/ReadMe.md
index c1cac5f..4cc3498 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -24,6 +24,18 @@ This driver offers a c++ wrapper to control a pan&tilt unit build with two [dyna
 
 ``` sudo apt update && sudo apt install iri-dynamixel-pan-tilt-dev ```
 
+## Important information
+
+To use this driver is necessary to unload the *ftdi_sio* module, so the device is detected as a serial-usb device.
+This can be achieved with the following command
+   
+   ```sudo rmmod ftdi_sio```
+    
+or executing the following script:
+
+   ```unbind_ftdi_udev.sh -s <serial_number>```
+
+
 ## Disclaimer  
 
 Copyright (C) 2017-2019 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
-- 
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