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Ep. 46 | Microsoft VP Marcus Fontoura on Architecting Azure, the “World’s Computer”

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Sound pulse to LED

Hi, I am in need of help with a circuit to make an LED flash between 20 to 200 beats per min.. I have an app on the notebook but would like to arrange a LED externally so I need to plug into the ear piece and have a LED flash to the metronome. I have tried many different transistors but they all...
- GirlFriday
- Thread
- Nov 19, 2018
- Replies: 1
- Forum: LEDs and Optoelectronics

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