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install TP-Link-WN725N Nano USB Wifi on Raspberry Pi with Kernel 5.10+
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# DO NOT PUT THE WIFI DONGLE IN THE DEVICE BEFORE MENTIONED EXPLICITLY BELOW | |
# Brief note, after this the UI will not show the usb dongle, | |
# the wifi does work and I get an IP address, so all works, | |
# but I don't go into detail of making it show on the Raspbian UI. | |
# (for this purpose I don't care about the UI) | |
# For the use of this I connected my device to an ethernet connection and through the Router could see the IP which I can SSH into. | |
## STEP 1: Prepare machine and install packages needed | |
# Make sure the system is up to date and all that needs to be installed is installed | |
`sudo apt-get update && sudo apt-get install -f` | |
# I also upgrade my distro, but this step can be skipped | |
`sudo apt-get dist-upgrade` | |
# Install some necessary packages as we will build the source firmware ourselves | |
`sudo apt-get install -y build-essential git` | |
# There is a package for raspberry pi to add the kernel headers, so you can pick one here (if one doesn't work, use the other) | |
`sudo apt-get install -y linux-headers` | |
`sudo apt-get install -y raspberrypi-kernel-headers` | |
# reboot for changes to take effect | |
`sudo reboot` | |
## STEP 2: Get and install the firmware for TP-Link-WN725N Nano | |
# Download the Github package (for best support use git clone instead of zip) | |
# I just put this on my home folder as I am not using this RPI for any other purpose than a livecam | |
`git clone https://github.com/lwfinger/rtl8188eu.git` | |
# Go into the new folder | |
`cd rtl8188eu` | |
# Make the source for your machine | |
`make` | |
# Install the firmware that was just build for your machine | |
`sudo make install` | |
# Reboot for changes to take effect | |
`sudo reboot` | |
# Shutdown now as we need to have the usb dongle in the RPI on startup | |
`sudo shutdown -h now` | |
## STEP 3: (INSERT USB DONGLE BEFORE CONTINUING) Check if dongle is recognized by the system | |
# After starting your rpi check if it now recognizes your wifi dongle | |
`lsusb` | |
# This should show something like `BUS 00X .... REALTEK... RTL8188EUS... Wireless Network Adapter` | |
# Great your wifi dongle is now recognised. If not, you probably don't have this dongle or you need to repeat the above steps. | |
# Check if modules are being loaded | |
`lsmod` | |
# Search for something like `8188eu ... 0` | |
# Check if wlan0 is present | |
`ifconfig -a` | |
# There should be quite some output next to and under `wlan0`, if there's an IP address already visible, skip all next steps it's working. | |
## STEP 4: Setup wifi settings | |
# Add wifi settings | |
`sudo vi /etc/network/interfaces` | |
# Search for `auto wlan0` at the start, if it's not there, add it and keep the file open | |
# Make sure it knows where to find the wpa config | |
# Add these lines to the bottom of the same file: | |
``` | |
allow-hotplug wlan0 | |
iface wlan0 inet dhcp | |
wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf | |
iface default inet dhcp | |
``` | |
## STEP 5: Connect to wifi | |
# The file `wpa_supplicant.conf` might already exist and might have some lines, add these below: | |
``` | |
network={ | |
ssid="YOUR_NETWORK_NAME" | |
psk="YOUR_NETWORK_PASSWORD" | |
proto=RSN | |
key_mgmt=WPA-PSK | |
pairwise=CCMP | |
auth_alg=OPEN | |
} | |
``` | |
# Replace `YOUR_NETWORK_NAME` & `YOUR_NETWORK_PASSWORD` with your own credentials. | |
# Reboot and connect | |
`sudo reboot` | |
# To test after reboot if your wifi is working, you can open the browser or go to the terminal | |
`ifconfig -a` | |
# This will now have an ip-address next to `wlan0` which you can use for ssh or whatever. | |
# Congrats! | |
## Resources used: | |
# The dongle on Amazon: https://www.amazon.de/TP-Link-TL-WN725N-Adapter-Suitable-10-9-10-13/dp/B008IFXQFU/ | |
# The Firmware: https://github.com/lwfinger/rtl8188eu | |
# Troubleshooting on RPI: https://www.raspberrypi.org/forums/viewtopic.php?t=44044 | |
# Wifi auto connect on RPI: https://weworkweplay.com/play/automatically-connect-a-raspberry-pi-to-a-wifi-network/ | |
# Extra resource for rpi-source: https://blog.samat.org/2014/12/15/realtek-8188eu-based-wi-fi-adapters-on-the-raspberry-pi/ | |
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