well I got two of this leds and let me tell you I will order more soon. They come WITHOUT aluminium thermal plates so you will have to find a good way to get them cool.I did not have any led driver so I had to build the cheapest led driver I could find,so I used the integrated circuit mc34063a as...
well I got two of this leds and let me tell you I will order more soon. They come WITHOUT aluminium thermal plates so you will have to find a good way to get them cool.I did not have any led driver so I had to build the cheapest led driver I could find,so I used the integrated circuit mc34063a as a constant current source (I openened a 12 to 5 v phone charger and I used almost all the electronic components on in to build my led driver) so I put the two leds in series and they where working ar 350 miliampers (about 2 watts and 3.1 volts each led)and I put the two leds on the roof.They are great and you get a lot of light from them. high efficiency leds, Ihave a small solar panel and some 12 volts batteries so they are good for my small bedroom, you can read or do whatever you want without problem. they come with out aluminium plate as I mentioned. I was designing the pcb and i pushed one led in order to do good contact with the aluminium plate I put and suddenly I did hear a "click" and I discovered I did break one of my leds :( Hopefully I could see the two leds working for a couples of nites so I can say they light good. This is not a really con but I had to mentioned :) led lighting seems to be the trend in home lighting systems.They are efficients, small,cool, and cheap. buy some of them if you know how to make them work(you need to know some about electronics)
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