WIKIs change, that is their nature. It doesn't hurt to revisit them from time to time.
Gerald On Mon, May 5, 2014 at 3:38 PM, Steve Baker <[email protected]> wrote: > Yeah - but I unpacked and installed my BBB ages ago. It's controlling my > "lasersaur" laser cutter - which basically boils down to accurately aiming > a death-ray - which we should admit is a position of extreme > responsibility for such a tiny computer. > > At the time, I probably read the card that's in the box because I'm > careful about things like that. > > But I was using a wired connection and the BBB ran beautifully and > flawlessly...hardly inflicting hot-laser-death upon even a single small > furry animal. > > Many, many months later I needed to relocate the laser cutter - which > required a switch from wired to wireless...and by then both the card and > the box and any memory I might have had of either of them had *long* gone! > > I share your frustration at people who don't RTFM...and I'm certainly not > blaming you for any short-coming here. It's just the nature of the > universe and the frailty of human memory. > > -- Steve > > Gerald Coley wrote: > > 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 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.
