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 need to get IC UM91214B, Any one knows where to purchase it or an alternate part that would produce DTMF? Is there a place or a web site where i can purchse a small quantity of it?
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