OpenCircuits:Community portal

From OpenCircuits
Revision as of 09:38, 20 December 2007 by 216.86.153.56 (talk)
Jump to navigation Jump to search

pitcher framing what cause indoor air pollution i am australian song music australian embassy in serbia duplo digital hearing aids republican party resume accounts payable aqua barbie by girl listen free adult animated gifs mixed lesbian inta gov ar suicidaltendencies.com learning spanish audio cd wind generator farms photo search engine squeeze flashlight terra restaurant napa ladies golden shower stories nitro powered rc trucks 2 for 1 pizza san clemente micheals black babes cardboard arterial insufficiency symptoms hellfire french flag dietary supplements mayo clinic hospital phoenix az sun network file system 2000 os pro window ranunculus ficaria john w menard medical billing home j r computer world stapler designs insurance investigation courses usarugby vfacts december 2004 alissa quart the sixties real couples video alkaloidal sola vita soprano suits ps2 dragonball z restaurants on long island new york cuban coffee purdy ryan theiowachannel.com consumption junction whats your dysfunction phenomenen ulcer treatment causes 2005 nba salary cap youth and community development akron bar ohio scuola volo marketing mix free metal ringtones swedish natural girls youth football uniforms star poker vacuole models fast lose benedict arnold policewoman au pair england spain south carolina slave codes drug addiction center embroidery machine software viewsonic n3000w lcd euro trip scotty doesn t know coton de dog sale tulear lawn maintenance rubber gloves masturbation child puppet ministry jeita country club lebanon mr food tv recipe perfect woman www.mypyramid.gov restaurant coupons swanstone 103.5fm kiss swv opalescence undelete file windows 2000 server clark lighthouse table lamps pee in bushes fly gonna now switches stealth shipping mill little falls nj lyme disease in dogs hillary duff favor magnet wedding damon dash come daddy dvd movie review pictures of dream kitchens casablanca ceiling control fan wall canton document shredding funny cards acrobat writer 7 download black decker fence fencing garden gate home improvement includes library new style vinyl wall orbital electrodes 1000 words mp3 rankbrasil kazaa girl on toilet interior decoration jenna jamieson living dead girl lyric ripped her blouse open charlotteobserver.com music match jukebox adam bryan cloud lyric nine number postcard template atoll jet warbird sales lil john get low kat schwartz nude explosion proof combat knives phoenix suns tickets pro ject 1.2 review internet explorer download osx construction contract free template outdoor ficus just a lil bit lyrics 50 cent home remedy my space surveys rc plane video attack bethany hamilton shark silver lake wine company vitamin info massaud sofa mellon auditorium washington dc myspace code colors projector case www.citicards.com real estate louisiana logo graphic design enya now we are free download spacegard air filter penn state university the peace pipe oshawa camera photographic store supply the london fog audiovox dc400 mpeg4 2005 accounting multi pack peachtree premium user zephyr monster penetration tiger attack asian american women photos nude blackdogue groom lake white slave girls outdoor public sex irish dance world competition minuttes chopper bike animal sense ovid s metamorphoses world war i flying ace bigtitts malta travelling alex alms job racing bone thug n harmony wholesale flower best cell phone prepaid service shipping labels philadelphia eagle layout teen boy speedo gallery lamp pomerium rome womens shoe thai languages imediate decision loans shade garden designs real sex in public dr dre iodine la agricultura de la zona torrida lampworked borosilicate salutations mr mrs li family restaurant magic swizzle swinging housewifes chapters ameilia island concours sound deadening cars waste management conference tucson vespa scooters maduras jesse lacey nas nasdaq dow jones minolta dimage x20 digital camera cable enpower notebook bone thugs n harmony rory logan fanfic air handlers bar sink free calligraphy alphabet saigon lee traditional tiramisu recipe war of leningrad ozbike muscle pain yugoslavian culture auto buyer.com ss liberty grand hotel toronto godfather theme mini cooper shimmy shimmy quarter turn free cingular cell phone ringtones bosch appliances safari vest xanax valium free hairy direct merchant bank kiddy lolita shindig tv show rate russians www cnn .com resistance is futile. air ticket native american college funds zetia side effects nocturnal music portland gambling site manufacturer tippers streamwood restaurants split air conditioners adagio barber union confederate redmond homes matsutake restaurant female silhouette veronika zemanova clips prom hair styles red lead pencil cloud background gay asian man real madrid krystal steal movie justin berfield shirtless oh praise him he is holy lyrics lockheed martin pension pound and schilling prescott college for the liberal arts accredited business school chanel replica handbag xenon fog light platinum anniversary gifts 2005 ebay thunderbird enamorados lyric renaissance conference center richmond virginia arc the lad torres gemelas free napoleon dynamite ringtones awesome o 4000 south park usda forest service fire and aviation web site email account word perfect converter mac os x shreyash stamina rx pill to increase penis size la vive en rose physical science retro handbags wholesale jamaica beach aes theme music star wars photos mankind man job search lysaghts people care reggaeton videos mp3 reducer francesco biasia handbags used 1999 saab 95 cumming avenue concert q ticket petsonthenet.co.nz zondervan gifts nat cole smile lyrics mighty morphin power rangers raymour and flannigan furniture store amatuer chris brown vipnet.hr mr tux.com pature poultry sabatourism.com wireless phone directory red itchy spots online station weather periodico el tiempo- bogota 50 cent disco inferno music video uncensored san diego relocation information pontiac chieftain mini laptop phone atacand 100 greatest tv characters of all time wisconsins haunted house large labia lips airplane ticket asset weather waterloo ontario canada jamaica resorts mark burnett martha stewart apprentice john fredericks iii air force genuine toyota parts nextel secret code mother frances hospital in tyler texas psychic healing arthritis karar mp3 verdim westpac bank australia reno web site design studio austin raves something coporate sheet music north olmsted high school media center pearson international airport liberty grand hotel toronto kitty pleasure pack 1 souverainete shoes for florida cruise to the bahamas sandy reed pump massachusetts cdl training nickel back kitsap lake zales .com i hate love songs and i hate lovers lyrics fit christian jokes roper internet auction hawaiian plumpers big women nyc department of health address imaginarme lyric puedo sexy secretary babiesrus gun tools ringtones motorola anderson cooper gay Welcome to Open Circuits. This is a good place to talk about Open Circuits, as a whole.

We have 795 articles now. Yay!

Anti-Vandalism Bot

It is my opinion that this should be the top goal for this site to accomplish.

We recently updated the $wgSpamRegex ( http://www.mediawiki.org/wiki/Manual:$wgSpamRegex ). It should block nearly all of the kinds of spam we've been seeing in the past. (Use Meta:Sandbox for testing). --DavidCary 08:46, 6 June 2007 (PDT)
The problem is, that this is not a one time thing. It must be updated regulary, so it also works for new kinds of spam --SebDE

Seeing a lot of stubborn spammers. Can we implement some kind of ip blocking mechanism?, that blocks repeated spam ip's for a week or so. Here's a list of known spammer ip.

Blocking based on IPs might be usefull if it uses a maintained black or gray list, but the kind of IP blocking is used around here doesn't help much. --SebDE

Disabling edits from users that aren't logged in might help a lot: http://www.mediawiki.org/wiki/Manual:Faq#How_can_I_prevent_editing_by_anonymous_users.3F --Mzandrew 14:16, 8 September 2007 (PDT)

DavidCary wrote: "We want a system in a way that makes it very easy for anyone to help us." on his User Discussion page.
But it wouldn't hurt if the creation of new sites would be logged in users only. (Would reduce the need to delete certain articles over and over again) --SebDE

Or if someone's not logged in, could we enable a captcha so that the spammers would at least have to do it manually? Here's the ReCAPTCHA extension for mediawiki sites: http://www.mediawiki.org/wiki/Extension:ReCAPTCHA There's also the ConfirmEdit extension. http://www.mediawiki.org/wiki/Extension:ConfirmEdit --Mzandrew 13:38, 9 September 2007 (PDT)

That is way to overdesigned if you know what I mean. And just btw it is hell for accessibility. I would rather see the use other techniques like wgSpamRegex and the use of a maintained IP black list first before using such ugly things... --SebDE

I have a whole bunch of PIC projects and things I think I can do to contribute to this Wiki, but the spam here is way way out of control. I'm looking at the change logs and I' 1000 m seeing 20 spam edits per day. I'm not so sure I want to contribute if my contributions are going to be destroyed in a matter or days. I think requiring a logon to make changes would cut out most of the spam. At this point, the problem is so bad that making things alittle harder for people to make changes is probably worth the benefits.

Also, this isn't directly related to spam, but it would be nice if the site didn't put nofollow on all the URLs. I think more people would be willing to add project info pages to the wiki if they new it would make them more visable in search engines. The wiki is small enough at this point that if people start abusing this it would be easy to ban or delete their account( assuming the change is made to require a login to make edits) Mzoran 21:42, 14 October 2007 (PDT)

electrical mailing lists

Yahoo claims they have 1,831 electrical engineering mailing lists. What would be a good way of letting the people on those lists know about the Open Circuits wiki, without spamming them? --DavidCary 13:30, 31 May 2006 (PDT)

  • Publish cold fusion howto :-)
  • Send one email/week and only once per list. And be on topic, listen carefully for responses.

Freqmax 16:24, 30 July 2007 (PDT)

about Open Circuits

So, is there any connection between http://OpenCircuits.org/ , http://OpenCircuits.net/ , and this http://OpenCircuits.com/ wiki? --DavidCary 23:47, 13 June 2006 (PDT)

No. There is no connection between any of http://opencircuits.com and the other websites listed. Chazegh 02:55, 18 June 2006 (PDT)

web rings

Document an original microcontroller project and join a PIC webring, or AVR webring. 20 June 2006

audio electronics

Is there some other wiki for people to talk about audio electronics? Or is this Open Circuits the best wiki for talking about things like "Analog Devices AN-221: The Alexander current-feedback audio power amplifier" by Mark Alexander ?

I think I would prefer to offload all the audio electronics controversies to some other wiki (but which one?). Still, it would be nice to have some "tips for high-power electronics" here. I imagine that tips page would list the various quirks of high-power MOSFETs, BJTs, TRIACs, and IGBTs, and (given a particular motor or speaker or other load) how to select one over the others, and various ways of working around those quirks. --65.70.89.241 07:17, 10 August 2006 (PDT)

I just joined Open Circuits. I have been servicing and designing audio equipment for several years (Recording consoles a specialty) I hope you will have a section for audio electronics. I also work with video projection systems and theatrical lighting (stage struck at an early age) I play electric rock-blues guitar, so I also am interested in tube guitar amps (Marshall and Boogie). And there is a big difference in what a guitar player thinks an amp should do, and what a recording engineer wants an amp for. I think these are valid points for discussion. I've also got an interest in power supplies (my experience is mostly with linear, but I've started learning about switching designs). In fact that brings me to my question, I have some regulator designs based on the 723 that I'd like to share. How do I go about doing that? I built a replacement for a console /- 18V @6A supply when I couldn't find the original regulator devices. I used 723s with external series pass devices. The unit has been working for close to 10 years now, so I think the design is worth sharing. Is anyone interested?

I also research discrete op amps like the Jensen 990. I've been working (on and off for years) on a clone of that using more modern, easily available parts and devices. Anyone else? Finally, in response to the first entry in this section, I too read that application note in Analog Devices Audio/Video Reference Manual. My copy is dated 1992 1000 . I've repaired a lot of amplifiers, but haven't built any. If anyone else is hip to this amp I'd like to hear about it. It is a very unique design. I also like the A75 amp design from Nelson Pass and Norman Thagard, and the Leach Amp by Marshall Leach. The last two are pretty normal as far as design goes, not as adventurous as the Alexander with its current-feedback approach. Aloha, RAF--66.8.194.185 14:04, 18 May 2007 (PDT)

automotive electronics

Is there some other wiki for people to talk about automobile electronics? Or is this Open Circuits the best wiki for talking about things like "experimental Do-It-Yourself programmable electronic fuel injection controller"? Or should we just point people who want to talk ECUs (engine control units) to the MSEFI discussion forum, even though it sadly lacks a wiki? --DavidCary 22:36, 2 July 2007 (PDT)

inviting bloggers to open circuits

how to connect a JTAG probe to a Nokia phone

I'd like to invite bloggers such as GyrosGeier to edit OpenCircuits. Rather than just spamming him, I think he would be more inclined to help out if we answered one of his questions first -- such as "If you have information on how to connect a JTAG probe to a Nokia phone, please let me know." Maybe I should start a page on JTAG... --DavidCary 09:37, 22 September 2006 (PDT)

The Hacked Gadgets blog also has a bunch of cool electronics. --DavidCary 11:58, 5 January 2007 (PST)

red links

The default skin at OpenCircuits currently has "red links" = page exists, "dark red links" = page does not exist.

I find that confusing. (But not as bad as the wiki that has some links black-on-white, indistinguishable from normal text).

work-around: Register (it's free, and you don't have to give any personal information), then choose the "preferences" link in the far upper-right corner and then pick any other skin.

The other skins have coloring that you may be more used to from other wiki: "blue links" = page exists, "red links" = page does not exist.

--DavidCary 08:58, 18 December 2006 (PST)


      • Guys, the red color on links is AwuFul, it brings ppl headaches.

That's the only reason I cant participate ***

--Takeda 16:38, 29 September 2007 (PDT)

inviting people from other forums to open circuits

Lots of people talk about circuits for LED lighting at http://candlepowerforums.com/ . Perhaps we can talk some of them into contributing here -- perhaps using a page or two of Open Circuits as a FAQ for LEDs and drive circuits.

tool lists

Should we have an entire page on "tools", and mention it on the main page? That risks listing *every* tool anyone has ever heard about, like the page at http://massmind.org/techref/tools.htm . Yes, I'm responsible for uglier bits on that page; I think the wide variety of oscilloscopes are particularly confusing. How could we cut through the confusion?

I see the "techniques" page already has a list of software tools. Perhaps it would be nifty to have a short list of all the tools necessary for each technique? Then a beginner would have a better idea of what tools he really needs to get (rather than looking at a huge list of every tool, and wondering for each one, "Am I going to regret buying it when I see it gathering dust? Or am I going to regret not buying it when I need it during a midnight debug session?").

--DavidCary 08:37, 24 January 2007 (PST)

Requests For Help

Thanks for your help with the camcorder mic.

sample component

What is the purpose of the Sample Component ? --DavidCary 16:27, 7 May 2007 (PDT)



current surge and battery life

Hi,

currently my board is using a 3V battery, in every 40msec it will turn on its RF to communic 1000 ate with the base station. I face a problem here is that my battery life is badly affected. Turning on the RF with cause a current surge.

Will this surge affect my battery life? If I use a supercapacitor does it helps?

-- User:203.120.164.208 04:14, 30 April 2007


MIDI electrical interface

In my opinion, the MIDI interface got a lot of things right that too many later interfaces still trip over.