Arduino UNO R4 Wi-Fi password connection issues
March 2, 2024
· admin
WiFI
Arduino
Hardware
Networking
IoT
Internet of Things
ASUS
The Arduino UNO R4 Wi-Fi is a great addition to the Arduino family. A fun little board to play with.
Ralink RT5572 based WiFi Usb Dongle setup on Ubuntu 12.04
September 3, 2012
· admin
Ubuntu 11.10
Ubuntu 11.04
Ubuntu
Linux
WiFI
Ubuntu 12.04
RT5572
Ralink
The WiFi USB dongles based on the newest RT5572 chip set do not work out of the box on Ubuntu. Unex DNUR-V72, D-Link DWA-160 Rev B and TP-Link TL-WDN3200 dongles are based on this chipset.
You will need to compile the source code of the driver to make it work. Do not leave this page! This involves only a few easy steps.
1. Save this page's link. You will have to reboot and come back to it.
2. Un-plug the WiFi USB dongle from your computer.
3. Reboot your computer.
4. Download the driver's source code from the manufacturer website. Alternatively, you can download a version of this file from this site. Files have been already edited. Steps 9, 10 and 11 are then unnecessary. Note that the filename is slightly different (DPO\_RT5572\_LinuxSTA\_2.6.0.1\_20120629\_EDITED.tar.bz2.bz2).
5. Open a terminal window.
6. Change to the directory that contains the driver's source code downloaded previously. For example,
2.4 GHz WiFi channels
August 16, 2012
· admin
WiFI
| | |
| --- | --- |
| Channel | Center Frequency (GHz) |
| 1 | 2.412 |
| 2 | 2.417 |
| 3 | 2.422 |
| 4 | 2.427 |
| 5 | 2.432 |
| 6 | 2.437 |
| 7 | 2.442 |
| 8 | 2.447 |
| 9 | 2.452 |
| 10 | 2.457 |
| 11 | 2.462 |
| 12 | 2.467 |
| 13 | 2.472 |
| 14 | 2.484 |
Useful WiFi related commands
· admin
Ubuntu 11.10
Unix
Ubuntu 11.04
Ubuntu
Linux
Debian
WiFI
iwconfig wlan0 up
iwconfig wlan0 channel 1
iw reg get
iw reg set JP
ifconfig wlan0 hw ether de:ad:be:ef:c0:fe
macchanger -r wlan0
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