Raspberry Pi 2 - Setting TP-Link TL-WN727N Wifi Dongle

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Raspberry Pi 2 - Setting TP-Link TL-WN727N Wifi Dongle

Postby Brian Griffin » Sat Feb 21, 2015 11:28 am

If you have bought the cheap TP-Link TL-WN727N Wifi dongle, you may notice that the dongle isn't really working at all due to the absence of the drivers.

For the Raspberry Pi 2 owners, get the latest image file from the official website. Its date is 16/02/2015 as in the time of the writing. I've used the ordinary install, not the New Out of the Box Setup one.

So here's something you can try if you happened to have these in your drawer and can't get them to work:

1.) When it's off, plug in the wifi adapter. Make sure you have an Ethernet cable with you too - plug in the network cable to the R-Pi.

2.) Then turn on the R-Pi.

3.) Go to the console before you enter the GUI (startx) and key these in:

CODE: SELECT_ALL_CODE
cd /tmp
sudo wget https://dl.dropboxusercontent.com/u/67643651/mt7601_3.18.7-v7.tar.gz
sudo tar xf mt7601_3.18.7-v7.tar.gz -C /
sudo depmod 3.18.7-v7+
sudo reboot


Thanks to alfonder, source: http://www.raspberrypi.org/forums/viewtopic.php?f=28&t=49864&start=175

4.) Then, once it's done rebooting, wait for a few more seconds, you will see a green light lit on the wifi dongle.

5.) Again, type in "sudo nano /etc/network/interfaces"

You will see a few lines of code. Go to the "allow-hotplug wlan0".

Replace the wlan0 with ra0.

The bottom of the file should look like this:

CODE: SELECT_ALL_CODE
allow-hotplug ra0
iface ra0 inet manual
wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf
iface default inet dhcp


Save the file, Ctrl-X and then press "Y".

Afterwards, you will see that the wifi dongle is blinking a bit. It shows some activity.

6.) Go to StartX and click Preferences->WiFi Configuration.

7.) Click Manage Networks and then click Scan button.

8.) Once you have found the WiFi hotspot you wanted to log in (Scan Results), double click it and key in the PSK. Press Enter once it's done.

You have logged into the WiFi with your new Tp-Link Dongle! Go and surf the net there using the Epiphany or Dillo browser! :)
PIC - UIC00B from Cytron (replacement for my broken PICKit 2), Pickit 3, MikroC for PIC
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Re: Raspberry Pi 2 - Setting TP-Link TL-WN727N Wifi Dongle

Postby ober » Mon Feb 23, 2015 10:40 pm

Brian, thanks for sharing! Nicely documented!
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Re: Raspberry Pi 2 - Setting TP-Link TL-WN727N Wifi Dongle

Postby Brian Griffin » Tue Feb 24, 2015 8:49 am

ober WROTE:Brian, thanks for sharing! Nicely documented!


Thanks, no problem! I'll add another tutorial to install the drivers offline and maybe a backup link for the drivers too! :)
PIC - UIC00B from Cytron (replacement for my broken PICKit 2), Pickit 3, MikroC for PIC
dsPIC - MikroC for dsPIC, mikromedia board (dsPIC33)
AVR - AVR Dragon
Parallax - Prop tool
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