They are very bright, clear and big, cap serves as a lens so you can make big bright white LED matrix. I even tried to make a table lamp with all 10, but it was not enough, need more in order to be able read on that light. Nothing that I can recall of. If you need white clear LEDs for signs or letters, you can make a very visible matrix of these LEDs.... Read more
LED good size, glossy and catches the attention of anyone who sees. My friends asked where I bought and the value, price of a 3mm LED on the market in my town. There are other more glossy, but worth the price.
If you want an LED, which is not for use in lighting or flashlight, this one is for you. The brightness is the same as many leds 5mm. Encapsulation ... Read more
The light is very bright
the light is blue just as i wanted
i used it a lot to do my projects
very cheap for a pack with incredible 10 of those!
go and buy one, so cheap that im going to buy it again. the bulbs are so big
the light is unidirectional
the metal is not so resistant
once i tried to light one up with a 9v battery and it freacking exploded ... Read more
Great LEDs. Really directional, so be sure you want these for spot lighting, not flood lighting. As with all LEDs make sure you have voltage and current regulated, or else you might burn them out! They seem quite resilient though. Bright, cheap enough and equivalent quality to some of the known brands.
Fast switching makes it ideal for 555 timer pulse ... Read more
It is a HUGE led! Very bright! Excelente stuff! I got none, so far I bought it to make a POV (Persistence of Vision) toy using ARDUINO (http://arduino.cc/) for my daughter. Something like this http://www.instructables.com/id/POV-DISPLAY-1. Fits perfectly to the project!! The next step is to develop a complete globe. I assume I will need 50 leds and ... Read more
It is a very good article, by the published price they send 10 LEDs is certainly very good price because in my country cost 3 USD each. The emitted light is intense, and the construction of this article is good, I've been using them almost two months and have not failed. The envelope sent with which could be much better, send them in a plastic bag and ... Read more
Got eleven even when i ordered 10pcs. But the leds are great and hande the sanding for making the light break more. Great for spotlighting some things if used in paraller or series. The forward voltage is usual 3,2V Arduino Uno lights these pretty bright. Long delivery time to Finland, over a month. And someone would not need any spare leds ;) Nice ... Read more
Great LEDs. Really directional, so be sure you want these for spot lighting, not flood lighting. As with all LEDs make sure you have voltage and current regulated, or else you might burn them out! They seem quite resilient though. None. They're nice and big (as I wanted) and really bright. I saw in other reviews that they looked like "recased"... Read more
First thing to think about is the Price and what an absolute bargain. If you can find a use for these LED Emitters or you like playing about with lights and batteries and things these will be right up your street.
supply power and they work lol you cannot get any ease of use better than that.
shipped fast and packed very well in bubble wrap. I tested ... Read more
--> Very bright. You can run them at 1mA and you have light. At 20mA they are really very bright. -->They are just 5mm standard LEDs in 10mm "case" -->Bad build quality. Some of the LEDs have air bubble inside (watch my comparing photo) -->Again bad build quality - It looks like they take 5mmLED and they give it again in manufacturing process in which ... Read more
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