Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
I want to have an LED light up every time there is an audio signal sent from a contact mic into a potamp and out to a jack. Theres a contact mic soldered to a guitar potamp which is soldered to the output jack. Is there any way I can (without the usage of a battery) solder an LED into this to...
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