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Step 4The LED Bit
To do the LED driver, just read how to do it in this instructable, if any doubts just ask the author Artificial Intelligence, he is really helpful.
I know i don't do it all the way right, but i didn't use a LED driver because the 12V power suply i used is a 1,25A and the LED works between 1,4A and 1,8A, and it works between 13.5V and 15V.
So if you really want to make sure you use this LED right I suggest u use a high power LED driver like the one in the intructable i already mentioned. The down bit of using the LED driver is the drop of 3V, in which case you need a power suply of about 18V and then from that step down to 12v for the fan and 5v for the MP4. But all that is doable.
When fitting the LED to its heatsink, try to add some heatsink paste. Just make 2 small holes with a drill (it's best if u make the hole with a drill bit a bit smaller than the screw you are going to use)
In the next step you'll see how to wire the cables.
I know i don't do it all the way right, but i didn't use a LED driver because the 12V power suply i used is a 1,25A and the LED works between 1,4A and 1,8A, and it works between 13.5V and 15V.
So if you really want to make sure you use this LED right I suggest u use a high power LED driver like the one in the intructable i already mentioned. The down bit of using the LED driver is the drop of 3V, in which case you need a power suply of about 18V and then from that step down to 12v for the fan and 5v for the MP4. But all that is doable.
When fitting the LED to its heatsink, try to add some heatsink paste. Just make 2 small holes with a drill (it's best if u make the hole with a drill bit a bit smaller than the screw you are going to use)
In the next step you'll see how to wire the cables.
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this confuses me a little. you say the power supply is 1.25 amp so for my example we will round up to 1.30 and the led works between 1.40 and 1.80 amps. with these numbers the psu isnt putting out enought amps to power the led. how is it possible that the psu is powering the led without the correct amperage? OR am i getting something horribly wrong.
You really need to find a smaller transformer if you want to run the LED without driver. Id you use the 2A maybe the led will last less.
It will be ideal if you find something about 1- 1.2A
1) I dont really understand the wiring schematic, so maybe you could make me a different one that is colored. I dont think I am going to use a led driver because I dont know what that is. Here are the volts if you need them. The lcd is 12v, the fan is 12v, .08a and the light is the same as yours.
2) Is everything wired together in the box, and then there is a transformer outside the box, or are there seperate transformers in the box and a power chord extends everything to the wall??
3) Where can I find a fresnel lens and a slide projector lens??
4) how big is your project box, My lcd is bigger than yours and I dont know if it will fit in the project box. Here is a link to it http://cgi.ebay.com/new-2-5-TFT-Color-LCD-Car-Reverse-Monitor-DVD-VCR-VCD_W0QQitemZ350305407590QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item518fd45266 maybe this will help.
5) where did you get your fan thermometer,??? the fan I have works very slow at 12v and I think it may need a thermometer.
Thanks in advance.