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Old 10-13-2011, 11:33 AM #41
hempfield
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Quote:
Originally Posted by Mentosane View Post
Fratilor vreau si eu sa imi fac un mic panou de leduri. M-am gandit ca unul de max 40w ar ajunge. As vrea sa folosesc leduri de 1 w ( rosii , albe si albastre).Bugetul alocat pentru leduri este de 250 lei .
Acum sa va spun care e buba. Nu stiu de unde sa comand ledurile .

Mie doar acestea mi-au atras privirea dar nu cred k merita sa dau banii pe ele https://www.ebay.com/itm/10pcs-1W-Red...item19c5609c17

Va rog spuneti-mi si mie de unde as putea sa cumpar niste leduri (cei care va pricepeti )


Iti recomand ledurile de 1w de pe Ebay (gasesti tot ce ai nevoie , toate lungimile de unda necesare pentru grou : Royal Blue, Blue, Red, Deep Red).

Iti recomand sa folosesti si leduri albe (6000K si 2700K) pentru completarea spectrului (asta ca sa nu mai cumperi si leduri Orange, care oricum dau prea multa lumina din spectru nefolosit de plante).

Nu iti recomand ledurile de 3W din mai multe motive :
- deviatia lungimii de unda cu temperatura e mult mai mare ;
- caldura degajata e considerabil mai mare in comparatie cu fluxul de lumina radiant ;
- controlul intensitatii curentului e mai dificil (cele de 3W merg la curenti diferiti 650, 700, 720 respectiv 750mA)

Daca vrei sa comanzi leduri mai multe, iti recomand magazinul online "SatisLED"( siteul are acelasi nume dar nu stiu daca am voie sa dau linkul aici) - taxele de shipping sunt acceptabile.

Totodata merita sa investesti si in colimatoare de plastic de 45 de grade - asta iti va creste considerabil (proportional cu patratul distantei) fluxul de lumina incident pe plante . Recomand colimatoarele concave cu carcasa alba, tot de la Satisled.

In vreo luna sau doua o sa public si eu imagini cu noul panou de 300W (real drain power) la care lucrez.

Succes !
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Old 11-22-2011, 10:28 PM #42
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Salut

Cunoaste cineva un site BUN , unde as putea gasii un panou de leduri de maxim 120w , dar pana in 900 lei ?

PS : nu din Romania
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Old 11-22-2011, 11:32 PM #43
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vezi pe amazon
ebay
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Old 11-22-2011, 11:53 PM #44
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Multumesc pt ajutor ... Altcineva?
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Old 11-23-2011, 08:57 AM #45
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Daca nici Google nu te poate ajuta iar ce se gaseste pe Ebay si Amazon nu iti satisface necesitatile, atunci inseamna ca inca nu s-a inventat/construit ceea ce cauti.

De ce nu ti-l construiesti singur ? Iti ia ceva timp, dar e chiar funny si rezultatul final e cu atat mai placut cu cat stii ca ai muncit cu greu pentru el.
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Old 11-23-2011, 11:39 AM #46
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Originally Posted by hempfield View Post
Daca nici Google nu te poate ajuta iar ce se gaseste pe Ebay si Amazon nu iti satisface necesitatile, atunci inseamna ca inca nu s-a inventat/construit ceea ce cauti.

De ce nu ti-l construiesti singur ? Iti ia ceva timp, dar e chiar funny si rezultatul final e cu atat mai placut cu cat stii ca ai muncit cu greu pentru el.
PAI ...hai sa incepem cu inceputul
EBAY : https://www.ebay.com/sch/i.html?_nkw=....c0.m270.l1313

Din toate astea nu am gasit nimic BUN !!!! Am dat alta cautare (660nm led blablabla) . Nu stau acum sa pun 50k de linkuri dar ce am gasit era ( Not Available to Romania ) . DOAR 1 am gasit si ghici ce zicea el : Price 129 $ . Cu totul ca sa ajunga la mine Shipping: $257.93 UPS Worldwide Expedited . Pai da-l in **** mea ce ii face ma pe drum ? Frectie ?


iar pe amanzon citii niste REWIEW's si nu imi placu deloc (ba ca sunt stricate unele , ba ca nush ce )

Cu GOOGLE stiu si eu sa umblu numai ca nu vreau sa gasesc vreun site care sa imi ia banii si sa imi trimita pe 12.12 2012 produsul sau mai stiu eu ce primesc .

De asta am apelat la voi , ca poate unu dintre voi CUNOASTE un SITE SIGUR de unde a comandat/vrut sa comande .



Si mi-as face eu un "panou" , numai ca habar nu am ce sa fac cu 2 fire si un led daca mi le pui in mana

Last edited by exploziv; 11-23-2011 at 12:26 PM.. Reason: removed link.
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Old 11-23-2011, 11:52 AM #47
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Ieftine si bune, si cu pret de shipping redus nu o sa gasesti din pacate. Panourile chinezesti mai ieftine sunt facute cu leduri la fel de ieftine, no-name, produse tot in china.

Panourile scumpe, profesionale, sunt facute cu leduri mult mai bune (CREE, OSRAM, etc) dar evident si mult mai scumpe, acest lucru reflectandu-se in pretul final.

Cand te decizi sa treci pe leduri trebuie sa iei in calcul suprafata de crestere. Un panou de 120W nu iti lumineaza eficient mai mult de 0.5mp (daca il pui prea sus scade intensitatea iar puterea de patrundere se diminueaza considerabil).
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Old 11-23-2011, 12:27 PM #48
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tu ai spus ca vrei panoul sub 900 ron, deja este extrem de putin pentru un panou de calitate, daca voiai sa includa si transportul, deja glumesti.
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Old 11-23-2011, 04:19 PM #49
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Originally Posted by exploziv_gbb View Post
tu ai spus ca vrei panoul sub 900 ron, deja este extrem de putin pentru un panou de calitate, daca voiai sa includa si transportul, deja glumesti.
NU GLUMESC DELOC => https://www.growlights.co.uk/120w-led...ange-p-45.html

1 Nu am vazut sa trimita in Romania.
2 Am gasit EXACT acelasi site ( la fel , identic) dar cu fundal albastru (aici m-am gandit ca unul din ele ar putea fii SCAM).



Nu vreau un panou de CALITATE ... ca ala stiu si eu ca iti scoate o gramada de bani din buzunar .....dar nici o porcarie care o bagi in priza sa ii faci proba si in 5 min ti se ard 5 leduri ....
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Old 11-23-2011, 04:31 PM #50
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nu par foarte safe aia, si nici nu cred ca trimit de fel catre ro., vezi pe net daca nu cumva exista cumparatori de-ai lor care isi spun parerea. daca totusi vrei sa cumperi dupa ce mai studiezi, le poti da un mail. atat timp cat au plata nu vad de ce nu ar livra. si vezi si cat costa transportul, sa nu fie cumva foarte scump.
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Last edited by exploziv; 11-23-2011 at 04:58 PM.. Reason: typo.
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