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Timeline for TDR to detect broken LED

Current License: CC BY-SA 4.0

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Nov 12, 2020 at 6:33 vote accept EasyOhm
Nov 12, 2020 at 2:40 history edited Mattman944 CC BY-SA 4.0
Added another solution option.
Nov 12, 2020 at 2:21 comment added user263983 I used in the same case non-contact voltage tester. But it was LED string powered from 120 VAC and had diode and resistor in series. Works.
Nov 12, 2020 at 0:06 history answered Mattman944 CC BY-SA 4.0