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Karmajun29/04/2020
A very nice collection of leds. Not much information on them, I had to go online to locate the basics that most US manufacturers used to include with each single LED. I found the primary information just looking at the advertisement on Banggood - nominal 3V at about 20 milliamps from my memory and purchasing - but on Banggood's website they have the grid showing the forward voltage per color diode and the wavelength/intensity by color and size. There may be many good resources online - and I appreciate the up to date rules of thumb on many hobbyists websites available to all. I'll have to print off Banggood's information table and paste it to the box - like I said, the old Radioshack by Tandy electronics included a table with the information on the inside of all their electronics kits - the see through lid on these LEDs may be too small for such a table with all the data, but they could easily have installed a table with forward voltages and amperage ranges with no trouble - written in Chinese, Russian, English, French, or Spanish and everyone else would be able to figure it out. But without anything - you have to rely on old memory information when it comes with nothing included!
It is inexpensive to ship without any literature - but it just looks bad for a manufacturer to package and ship without ANY information on tolerances. That is why a 4/5 on appearance.
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