4 ms·
Probably something from Forrest Mims. I have his stuff going back to the 1970s and he was using LEDs like this for all sorts of communication and environmental
by jgrahamc 2y ago
Probably something from Forrest Mims. I have his stuff going back to the 1970s and he was using LEDs like this for all sorts of communication and environmental stuff way back.
- rpaddock 2y agoYes. We both posted that he originated the idea at the same time.
- regularfry 2y agoVery probably. This isn't it, but it's very closely related: https://www.researchgate.net/publication/243581659_LED_sun_photometry https://www.researchgate.net/publication/243581659_LED_sun_p...
- regularfry 2y agoHere we go! https://web.archive.org/web/19980131092505/https://www.scientificamerican.com/0597issue/0597amsci.html https://web.archive.org/web/19980131092505/https://www.scien... Found via https://www.researchgate.net/publication/234345754_An_International_Haze-Monitoring_Network_for_Students https://www.researchgate.net/publication/234345754_An_Intern...