jackpot@lemmy.ml to Asklemmy@lemmy.ml · edit-210 months agowhys my hotel light glowing over my toilet - no other light does thislemmy.mlimagemessage-square34fedilinkarrow-up197arrow-down114file-text
arrow-up183arrow-down1imagewhys my hotel light glowing over my toilet - no other light does thislemmy.mljackpot@lemmy.ml to Asklemmy@lemmy.ml · edit-210 months agomessage-square34fedilinkfile-text
minus-squaredave@feddit.uklinkfedilinkEnglisharrow-up5arrow-down1·10 months agoFrom that source: At threshold sensitivity, the human eye can detect the presence of about 100-150 photons of blue-green light (500 nanometers) entering the pupil. So I guess either blue or green leds are good for this application, and green much cheaper…
From that source:
So I guess either blue or green leds are good for this application, and green much cheaper…