Sometimes when you have too many choices, it's hard to make a good decision. In fact, there are times when you just want a bag of LEDs, just one of each, that's all you want. Well too bad, you are getting two of each! The LED Rainbow Pack contains two diffused 5mm PTH LEDs of each color of the rainbow, red, orange, yellow, green, blue, and purple. This is a great way to sample each one and decide what you really need or just to add a whole bunch of color to your next project.
Maybe we should have called this the LED Double Rainbow Pack? Oh well.
If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.
Skill Level: Rookie - You may be required to know a bit more about the component, such as orientation, or how to hook it up, in addition to power requirements. You will need to understand polarized components.
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Based on 2 ratings:
1 of 1 found this helpful:
Although I did not receive the orange ones, customer service was perfect. Not much more to say, these are great LEDs, all worked perfectly with a 3v coin cell.
1 of 1 found this helpful:
I'm assuming the max forward current is 20 mA for each color - is that correct?
Nice that these are diffused so you know what color they are when they're in the bag.
Hi, You're correct! 20mA max forward current on these LEDs.
No datasheet link so I measured the forward voltage of each: Red = 1.7 V, Orange = 1.7 V, Yellow = 1.8 V, Green = 1.8 V, Blue = 2.5 V, Purple = 3 V.
What!? No indigo? Can you even get indigo LEDs?
Oh that's why a lot of resistor (resister?) color code tutorials say violet instead of purple! I guess, anyways. I wondered about that. But what is the difference between diffused and the basic ones?
If you're referring to the "LED - Basic {color}" ones from SparkFun, there shouldn't be any difference. Those are also diffused. Diffused LEDs will emit light in most directions (there's still some directionality to it), whereas non-diffused ones tend to have a very directional emission. These LEDs are also tinted (which they may have meant), meaning that you can identify their color even when the LEDs are off - great for indicators :)
Yes, those are the ones I was wondering about. Thank you. :)
You're not likely to find purple in a rainbow or anywhere else in the color spectrum since the color purple doesn't actually exist. For an explanation go here: https://www.youtube.com/watch?v=iPPYGJjKVco
Also you're own info sheet says those purple LEDs are actually violet 395nm - 400nm, which makes much more since in a rainbow ;-)
Uh, they don't say magenta, they say purple. To a lot of folks, purple != magenta. I think if you polled 10 people most of them would say that purple is a synonym for violet.
I do agree that violet is the correct description.
Can we get a photo of them all illuminated side by side?