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The transformer is not supplied by me. The transformer is part of the equipment that I am attempting to draw power from. The equipment is 240vac and has a 240vac to 24vac transformer that is used for its control circuits. My circuits that I'm adding need to use the equipment power to operate a few t...

Let me give more detail. First, I'm a programmer with a good understanding of low voltage circuits but new to IC's. My project is probably simple. I have 24vac input which ranges between 23 to 28vac from a 240v to 24v transformer. I need to reduce the voltage to about 5 vac to operate a few transist...

what is the least expensive and/or best way to convert voltage? my application is to convert 24v ac to 5v dc.