Diy led fixture

[s0n1c87]

Hi. I am intending to diy a led fixture for my 32" tank. But im not good in electricity. I read a lot of forum and articles, still cant understand what are the material that i need. Can someone help me out here.?

I'm intending to use this LED. 12white and 2blue. Not sure will it be over bright not. >.<
http://www.lck-led.com/star-high-pow...html?cPath=153

After i have the LED, how do i choose the driver? and what else i need connect to where to make the electricity can pass through.?

[bernie]

Is it going to be for a.planted tank? If it is , I can't advise. If it's just for normal viewing and moonlight, you can go to sim lim tower to get the parts. You will need a.transformer.

[s0n1c87]

Is it going to be for a.planted tank? If it is , I can't advise. If it's just for normal viewing and moonlight, you can go to sim lim tower to get the parts. You will need a.transformer.

Yes. It is for my planted tank.. going to build a simple iwagumi landscape using either Hc or riccia as carpet and some long hair grass as background.

[bernie]

Take a look at the merchant subforum.You will need high power led for planted. There may not be energy saving compared to T5.

[s0n1c87]

I already ordered 15x 3watt white led and 2x 1watt blue strip.. Now i need to know how to choose the LED driver. I gonna connect them in a series circuit. Any electronic expert here.? Please help me.

[Shadow]

You need constant current driver with output between 45V - 57V
3V x 15 = 45V
3.8V x 15 = 57V

You need constant current of around 700mA, the LED spec does not say the recommended current. It is only mention 120lm at 700mA. I assume 700mA is the nominal current.

Based on the above, you can use 2 of below. Mean you separate 7 and 8 LEDs
http://www.lck-led.com/constant-curr...html?cPath=147

or you can use but probably will look dimmer.
http://www.lck-led.com/constant-curr...html?cPath=147

[s0n1c87]

You need constant current driver with output between 45V - 57V
3V x 15 = 45V
3.8V x 15 = 57V

You need constant current of around 700mA, the LED spec does not say the recommended current. It is only mention 120lm at 700mA. I assume 700mA is the nominal current.

Based on the above, you can use 2 of below. Mean you separate 7 and 8 LEDs
http://www.lck-led.com/constant-curr...html?cPath=147

or you can use but probably will look dimmer.
http://www.lck-led.com/constant-curr...html?cPath=147

Hi Shadow, do you think i can use this to operate the whole thing in a series.? Is this the same.?

Ebay have some good deal in driver but i not sure how to see. why gt 12vdc and 24vdc. cant understand. sigh. ;(

http://www.ebay.com/itm/60W-Waterpro...item4ab5b97436

http://www.ebay.com/itm/24V-2-5A-60W...item2ebe6eb28f

[bernie]

Shadow typed V but he should have meant W.
12v or 24v depends on what your led requires. What did the spec states?

You will need at least a 45W driver/ transformer.

[Shadow]

Nope you can't use that. The most important for LED is current, LED is current driven. Get something that the same as your LED current rating, for this case 700 mA. Also connecting high power LED in parallel is not advisable.

[s0n1c87]

Nope you can't use that. The most important for LED is current, LED is current driven. Get something that the same as your LED current rating, for this case 700 mA. Also connecting high power LED in parallel is not advisable.

Wah.. some troublesome huh? I have no way to connect everything using just one power source right.? I need at least 2 x 2/3 pin plug to operate it?

[Shadow]

You can use this, but sold out at the moment
http://www.dealextreme.com/p/700ma-4...-13985?item=72

[s0n1c87]

Hi Shadow. I found this diagram online. I wonder am I able to do it this way too.? Is it safe?
led driver.png