From:
https://www.oregonlive.com/environment/2020/08/facebook-abandons-broken-drilling-equipment-under-oregon-coast-seafloor.html?outputType=amp
Electronics & Stuff, a lot about LEDs
From:
https://www.oregonlive.com/environment/2020/08/facebook-abandons-broken-drilling-equipment-under-oregon-coast-seafloor.html?outputType=amp