- #1
frenzal_dude
- 77
- 0
Why are blue leds so much more expensive than any other colour leds? I could buy a pack of 100 red leds for about $10, and 1 blue led for $4, in Sydney Australia.
Does it have anything to do with the frequency of blue light being higher than green, red and yellow?
Does it have anything to do with the frequency of blue light being higher than green, red and yellow?