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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.

automatic audio switch

phobos

New Member
My brother-in-law wants a device to switch between his mp3 player and 2-way radio. When the radio tuns on the mp3 will stop.
 

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