Transformerless Power Supply

http://www.daycounter.com

It's often necessary to power a low voltage circuit such as a microcontroller with HV AC line current. For example, most fire alarms are powered this way. In these situations, a transformer is both bulky and expensive especially if the device is a consumer product.

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Created by Jayant 4 years 4 weeks ago – Made popular 4 years 4 weeks ago
Category: Electronic Circuits   Tags:

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