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February 9, 2012 @ 12:41

Snježni wifi kraljevi

Od danas Hrvatska uz natjecanje Snježna kraljica ima još jedno novo natjecanje a to su Snježni wifi kraljevi ;)
 
U natjecanju mogu sudjelovati svi zainteresirani, cilj je u što ekstremnijim uvjetima postaviti što više nove wifi opreme na krovove zgrada. Pravila su jednostavna a nagrade neprocjenjive.
 
Pogledajte kako je bilo u Osijeku prvom timi iz ekipe OsijekWirelessa koji su se okušali u ovome novome sportu na ovome online albumu.

 

Filed under croatian, diy, wireless · 2 Comments »

February 7, 2012 @ 16:09

Meteo wifi mesh točke

 
Krenula je zanimljiva rasprava na CWN (Croatian Wireless Networks) google grupi o Meteo stanicama. Prenosim svoj dio rasprave i pošto vjerujem da će ova tema biti biti zanimljiva i široj geek publici ;)

Ako nekoga zanima i pristup CWN grupi samo se treba javiti i dobije pozivnicu.
 

>
> @Valent: što to točno radite? nisam upućen
 

Za prave profi i manje profi vremenske stanice je definitivno najupućenija Istramet ekipa [1] pošto su oni napravili po Istri čitavo čudo meteo stanica i bolje prognoze imaju od DHMZ-a ;) Bili su i na tv-u [2]. Vjerujem da oni najbojle znaju koje stanice valjaju i koje ne, ovisno o kvaliteti i uvjetima u kojima trebaju raditi.
 
Ono što se radi preko projekta sa ekipom iz Wlan-Slovenije je da se od malih tp-link routera naprave senzorske stanice za sve tipove podataka, pa tako i za meteo podatke [3] ali i za razne druge tipove podataka. Evo kako to može lijepo izgledati [4].
 
Bila je i super usporedba 5 meteo stanica u emisiji Gadget Show u rangu 1000-2000 kn [5] ali emisiju mozes pogledati online jedino ako imas vpn do engleske ;( ali našao sam i komentare na tu emisiju na nekom forumu [6]
 
Po meni najbolje uzeti tp-link wr741 i na njega staviti DS18B20+ senzore kao što to radi ekipa iz Wlan-Slovenije [7] i za par sto kuna imaš online meteo stanicu. Mi smo sada naručili 10 senzore i krećemo u
izradu pločice za 1-wire sabirnicu, tako da ćemo uskoro u Osijeku imati 10-ak meteo wifi mesh stanica.
 
Pozivam i sve ostale da se uključe i u svoja mjesta postave mesh meteo nodove… sada dok je snijeg vani je pravo vrijeme, kada se okopni sve treba biti spremno samo za nakačiti na zidove i krovove ;)
 

Ako vas zanima više projekt Otvorena mreža možete pročitati članak [8]. Svi novi sudionici na ovome međunarodnome projektu su dobrodošli, ako ste u Slavoniji i Baranji samo se meni javite ili pokrenite ogranak ovog projekta i u svome mjestu ili kvartu ako je veći grad u pitanju. Za sva dodatna pitanja stojim vam na raspolaganju.
 

[1] http://www.istramet.com/
[2] http://mojtv.hr/video/v/aTfOKdSGduE/istramet-u-dnevniku-nove-tv.aspx
[3] http://dev.wlan-si.net/wiki/Modifications/SimpleThermometer
[4] https://nodes.wlan-si.net/node/kozolectest/
[5] http://fwd.channel5.com/gadget-show/videos/jon-test/jon-test-weather-stations
[6] http://www.hardytropicals.co.uk/forum/viewtopic.php?f=1&t=8456
[7] http://dev.wlan-si.net/wiki/Modifications/SimpleThermometer
[8] http://kernelreloaded.blog385.com/index.php/archives/projekt-otvorena-mreza/

Filed under croatian, diy, gadgets, linux · No Comments »

August 25, 2011 @ 8:14

OpenWRT installation from Tomato

 
I have an older Linksys WRT54GL v1.1 with Tomato firmware. Although I’m a hardcore Linux geek I never used OpenWRT, yeah, I know – shame on me ;)
 
OpenWRT wiki has installation instructions that explain how users should first install 2.4 linux kernel based image, set some nvram options, and then install or update to latest 2.6 based firmware image, but WIKI has no links how to do an update.
 
Read rest of story…

Filed under diy, gadgets, linux, tips&tricks, wireless · 5 Comments »

June 2, 2011 @ 18:36

iPhone IOS update issues

 
Every few months it’s same story again – I need to update my iPhone IOS firmware to new release because there are some cool new features, some new apps just won’t install without latest IOS or iPhone just became to crashy and unreliable that it needs a clean reinstall.
 
Sometimes update is done in mobile shop that some of my friends run and sometimes I do it myself. Because I do it so rarely I forget some of limitations set by Apple.
 

1. Upgrading IOS

- You can’t upgrade to any other but the latest IOS released by Apple.
- this bit me two times as I saw that latest IOS had some thing that I didn’t like to I tried to install to some other that latest version. This is just not possible.
 

2. Downgrading IOS

- You can downgrade only to IOS firmware that you had previously installed, jailbroke and saved shsh blobs from
 
So you can install only latest firmware released by Apple, your current one or previous ones that you have saved SHSH blobs from. Period.
 

Filed under diy, english, gadgets, tips&tricks · No Comments »

September 12, 2010 @ 16:25

Open Source Double Desk v2.0

 
In previous post I showed the general idea how our double desk will look like, now there are more details. Plan is to design a double desk and then give it to 3rd party company to make it.
 
I’m still looking on how to do the lighting for this desk. Any ideas are more than welcome.
 
Read rest of story…

Filed under diy, english · 3 Comments »

    Recent Comments

    • valent: Respect
    • Alen: Može biti i -20, a probajte montirati ili popravljati opremu u Rijeci na +5 i orkanskoj buri, što se...
    • Jos: Does this also work with Ubuntu (instead of Fedora)? Jos Muller
    • jello: You got to that point I see, but you didn’t finally managed to install it? I followed all your steps,...
    • Lawrence Gough: Thanks for the info, worked a treat on ubuntu 11.10

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