From c60427dc00322799876f821ec7b6bec65d9f4a27 Mon Sep 17 00:00:00 2001
From: BTChip <hello@ledger.fr>
Date: Mon, 2 Jan 2017 10:35:46 +0100
Subject: [PATCH] Update README with thotheolh suggestions

---
 README.md | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/README.md b/README.md
index 392157f..4831486 100644
--- a/README.md
+++ b/README.md
@@ -10,9 +10,34 @@ source ledger/bin/activate
 pip install ledgerblue
 ```
 
+## Installation pre-requisites
+
+
+  * libudev
+  * libusb-1.0-0-dev 
+  * python-dev (python 2.7)
+  * virtualenv
+
 This package can optionally work with [libsecp256k1](https://github.com/ludbb/secp256k1-py) Python bindings compiled with ECDH support. If you wish to enable libsecp256k1 bindings, make sure to install libsecp256k1 as follows
 
 ```
 SECP_BUNDLED_EXPERIMENTAL=1 pip --no-cache-dir install secp256k1
 ``` 
 
+## Giving permissions on udev 
+
+When running on Linux, make sure the following rules have been added to /etc/udev/rules.d/
+
+```
+SUBSYSTEMS=="usb", ATTRS{idVendor}=="2c97", ATTRS{idProduct}=="0000", MODE="0660", TAG+="uaccess", TAG+="udev-acl" OWNER="<UNIX username>"
+SUBSYSTEMS=="usb", ATTRS{idVendor}=="2c97", ATTRS{idProduct}=="0001", MODE="0660", TAG+="uaccess", TAG+="udev-acl" OWNER="<UNIX username>"
+
+```
+
+## Target ID
+
+Use the following Target IDs (--targetId option) when running commands directly 
+
+  * 0x31100002 on Nano S
+  * 0x31000002 on Blue 
+