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.
Regulation, ripple and duty might matter but your application might not be that complicated.
An outline of one approach: a transformer to drop the mains voltage down, a rectifier and filter capacitors, a variable voltage regulator such as an LM317 or LM338.
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