Yep. I can write it. I can put the link on the card in the box. But I can't make anyone read it.
Gerald On Mon, May 5, 2014 at 1:49 PM, Steve Baker <[email protected]> wrote: > Wow...that would have save me a ton of time if I'd seen it before! > > But yes...get the WiFi dongle away from the BBB board. Radio signals > reduce in intensity with the square of the distance...so if the antenna is > currently one inch from the BBB's radio interference - then moving it just > 10" away will reduce the interference 100-fold, and getting it on the end > of a three foot USB extension cord will reduce it 1000-fold...so it > doesn't take much to make a huge difference. > > -- Steve > > Gerald Coley wrote: > > http://www.elinux.org/Beagleboard:BeagleBoneBlack#WIFI_Adapters > > > > Gerald > > > > > > On Mon, May 5, 2014 at 1:18 PM, <[email protected]> wrote: > > > >> One problem I've seen with BeagleBone is that WiFi dongles seem to get > >> electrical interference problems when plugged directly into the > >> BeagleBone...using a USB extension cord seems to fix that. AFAIK, this > >> problem causes unreliability in all chipsets...so if you have it > >> basically > >> working - but unreliable - then adding an extension cable might help. > >> After all, we're dealing with radio signals here - and antenna > >> interference is a big deal. Most uses of WiFi dongles are OUTSIDE the > >> metal case of a PC or laptop - where the metal helps to shield the > >> antenna > >> from R/F junk being emitted by the computer chips...maybe just putting > >> some > >> distance between the BeagleBone and the antenna helps. > >> > >> -- Steve > >> > >> > >> On Saturday, January 25, 2014 7:06:51 PM UTC-6, Harry May wrote: > >>> > >>> Thank you for all the information. > >>> > >>> This is my experience with reliable wifi. This took me 4 days and 4 > >>> night(mares): > >>> > >>> I had all kinds of problems. Maybe the most important is that the > >>> Micro-USB-Stick N150 (Netgear) does not work reliably. It was possible > >>> to > >>> setup a WiFi connection > >>> but it broke down all the time. > >>> The much more stable hardware is the stick described by Carl Johnson in > >>> his first post (the bigger size netgear stick using the ath9k_htc > >>> driver). > >>> > >>> I had no luck with Angstrom, the wifi stick was recognized and a dhcp > >>> request startet, but succeeded only 1 of 10 times. > >>> > >>> So I ended up with Ubuntu saucy: > >>> http://rcn-ee.net/deb/rootfs/saucy/ubuntu-13.10-console- > >>> armhf-2014-01-24.tar.xz > >>> and the instructions from this site: > >>> http://elinux.org/BeagleBoardUbuntu (Debian or Ubuntu is the same > >>> procedure) > >>> > >>> To setup the stick I modified /etc/network/interfaces: > >>> auto wlan0 > >>> iface wlan0 inet dhcp > >>> wpa-ssid "MYSSID" > >>> wpa-psk "MYPASSPHRASE" > >>> > >>> and the same for WLAN1 !!!! > >>> I found out that changing from one stick to another may switch from > >>> wlan0 > >>> to wlan1, even if you power off. > >>> > >>> And tested it according: > >>> > http://embeddedprogrammer.blogspot.de/2013/01/beaglebone-using-usb-wifi- > >>> dongle-to.html > >>> as Carl already suggested. > >>> > >>> Everything worked fine, so I removed the LAN cable and rebooted the > >>> bone. > >>> > >>> Now comes the important thing: WAIT at least 2 to 3 minutes. > >>> It takes 2:30 minutes until the blue LED on the stick gets lit. > >>> For any reason I don't know: at a later time it booted MUCH faster. > >>> > >>> I checked my DHCP router when the bone requested the IP. > >>> Then it took some more time until I was able to SSH into the board via > >>> wifi. > >>> But after that time all went really nice. To test the wifi link I > >>> copied > >>> a 100MB file repeatedly until 100 GB were copied. > >>> All went well. > >>> My WLAN router can do 54Mbit, but iwconfig showed 15Mbit only. I have > >>> no > >>> idea why, but I am happy that all works well so 15M is good enough > >>> for all my needs. > >>> > >>> This setup needs 650 MB on my SD card. > >>> > >>> What I learned in these 4 night and days: > >>> * use ubuntu (not Angstrom) > >>> * use saucy (not raring, I did not get it working with raring) > >>> * never use these tiny N150 micro sticks. > >>> > >>> Harry > >>> > >>> -- > >> For more options, visit http://beagleboard.org/discuss > >> --- > >> You received this message because you are subscribed to the Google > >> Groups > >> "BeagleBoard" group. > >> To unsubscribe from this group and stop receiving emails from it, send > >> an > >> email to [email protected]. > >> For more options, visit https://groups.google.com/d/optout. > >> > > > > -- > > For more options, visit http://beagleboard.org/discuss > > --- > > You received this message because you are subscribed to a topic in the > > Google Groups "BeagleBoard" group. > > To unsubscribe from this topic, visit > > https://groups.google.com/d/topic/beagleboard/9KCIs7yqsa8/unsubscribe. > > To unsubscribe from this group and all its topics, send an email to > > [email protected]. > > For more options, visit https://groups.google.com/d/optout. > > > > > -- Steve > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
