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Apr 20 at 11:03 comment added Circuit fantasist You may find this answer helpful.
Apr 20 at 8:00 history became hot network question
Apr 19 at 17:50 vote accept user3553471
Apr 19 at 15:09 comment added Transistor Have a read of lednique.com/current-voltage-relationships/resistance-of-an-led (mine) and see if that helps.
Apr 19 at 14:29 history edited Spehro Pefhany CC BY-SA 4.0
Fixed typo for 30mA was 0.003mA
Apr 19 at 14:28 answer added Spehro Pefhany timeline score: 6
Apr 19 at 14:28 answer added Attie timeline score: 7
Apr 19 at 14:08 review Close votes
Apr 19 at 22:22
Apr 19 at 13:47 answer added winny timeline score: 3
S Apr 19 at 13:43 review First questions
Apr 19 at 14:33
S Apr 19 at 13:43 history asked user3553471 CC BY-SA 4.0