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nocrashing t1_j7lxfkk wrote on February 7, 2023 at 7:25 PM

Reply to comment by KentDarkmere in TIL the first Blue LED wasn't commercially available until 1989 and bright blue LEDs weren't available until 1993. by j-merc23

Series but yeah

Admetus t1_j7opryj wrote on February 8, 2023 at 9:01 AM

Also wouldn't the internal resistance of the batteries mean those blue LEDs were drawing less than 5V? 🤔