hi its been a while since I posted this link: [image] speaker level input Audio hi guys I need to take off the speaker from a circuit and connect that output to an arduino input pin so that the signal can be processed, the speaker level is low, ( i havent measured) but …

Basic arduino morse modem

paulpaulson November 25, 2021, 2:12pm 4

Hello
You may take a view here to get some ideas:

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