Update README.md

Author: spacehuhn

README.md

@@ -2,15 +2,20 @@
 Build your own WiFi jammer for under $10 with an ESP8266.
 
 # Introduction
+
+<a href="http://www.youtube.com/watch?feature=player_embedded&v=6TXVeEDK42Y
+" target="_blank"><img src="http://img.youtube.com/vi/6TXVeEDK42Y/0.jpg" 
+alt="WiFi Deauther ESP8266 Video" width="420" height="320" border="10" /></a>
+
 ## What it is:
 
-Basically it’s a device which performs a deauth attack.
+Basically it’s a device which performs a [deauth attack](https://en.wikipedia.org/wiki/Wi-Fi_deauthentication_attack).
 You select the clients you want to disconnect from their network and start the attack. As long as the attack is running, the
-selected clients are not able to connect to the network.
+selected devices are not able to connect to the network.
 
 ## How it works:
 
-The 802.11 WiFi protocol contains a so called deauthentication frame. It is used to disconnect clients safely from a wireless
+The 802.11 WiFi protocol contains a so called [deauthentication frame](https://mrncciew.com/2014/10/11/802-11-mgmt-deauth-disassociation-frames/). It is used to disconnect clients safely from a wireless
 network.
 
 For example your smartphone will send such a frame to its connected network when you turn the WiFi off. The router then knows that
@@ -25,21 +30,22 @@ disconnect from the network. You don’t even have to be in the network or know
 
 ## What an ESP8266 is:
 
-The ESP8266 a very cheap micro controller with build in WiFi. It contains a powerfull 160 MHz processor and you can program it
-with the Arduino IDE. This makes it perfect for this project.
+The [ESP8266](https://de.wikipedia.org/wiki/ESP8266) a very cheap micro controller with build in WiFi. It contains a powerfull 160 MHz processor and you can program it
+with the [Arduino IDE](https://www.arduino.cc/en/Main/Software). This makes it perfect for this project.
 
 You can buy these chips for under $2 from China. But I recommend you to buy one of the USB breakout/developer boards. 
 It doesn’t matter which board you use, as long as it has an ESP8266 on it.
 
 ## How to protect yourself:
 
-With 802.11w-2009 WiFi got an update to encrypt management frames.
+With [802.11w-2009](https://en.wikipedia.org/wiki/IEEE_802.11w-2009) WiFi got an update to encrypt management frames.
 So make sure your router is up to date and has management frame protection enabled. But be sure that your client device
 supports it too, both ends need to have it enabled!
 
 The only problem is that most devices don’t use it. I tested it with different WiFi networks and client devices now 
 and it worked every time. It seems that even newer devices which support frame protection, don’t use it by default.
-Disclaimer
+
+# Disclaimer
 
 Use it only for testing purposes on your own devices!
 
@@ -48,7 +54,7 @@ and this device can fall into the same category (even if it’s technically not
 
 My intention with this project is to draw attention to this issue. 
 This attack shows how vulnerable the 802.11 WiFi standard is and that we need to fix it.
-A solution is already there, why don’t we use it?
+**A solution is already there, why don’t we use it?**
 
 # Tutorial
 
@@ -60,14 +66,17 @@ deauth attack: https://en.wikipedia.org/wiki/Wi-Fi_deauthentication_attack
 
 deauth frame: https://mrncciew.com/2014/10/11/802-11-mgmt-deauth-disassociation-frames/
 
-ESP8266: https://de.wikipedia.org/wiki/ESP8266
+ESP8266: 
+* https://de.wikipedia.org/wiki/ESP8266
+* https://espressif.com/en/products/hardware/esp8266ex/overview
 
-https://espressif.com/en/products/hardware/esp8266ex/overview
+packet injection with ESP8266: 
+* http://hackaday.com/2016/01/14/inject-packets-with-an-esp8266/
+* http://bbs.espressif.com/viewtopic.php?f=7&t=1357&p=10205&hilit=wifi_pkt_freedom#p10205
+* https://github.com/pulkin/esp8266-injection-example
 
-packet injection with ESP8266: http://hackaday.com/2016/01/14/inject-packets-with-an-esp8266/
-
-http://bbs.espressif.com/viewtopic.php?f=7&t=1357&p=10205&hilit=wifi_pkt_freedom#p10205
+802.11w-2009: https://en.wikipedia.org/wiki/IEEE_802.11w-2009
 
-https://github.com/pulkin/esp8266-injection-example
+wifi_send_pkt_freedom function limitations: http://esp32.com/viewtopic.php?f=13&t=586&p=2648&hilit=wifi_send_pkt_freedom#p2648
 
-802.11w-2009: https://en.wikipedia.org/wiki/IEEE_802.11w-2009
+esp32 esp_wifi_internal function limitations: http://esp32.com/viewtopic.php?f=13&t=586&p=2648&hilit=wifi_send_pkt_freedom#p2648