power supply questions

Discussion in 'The Projects Forum' started by ameeshvv, Dec 10, 2010.

  1. ameeshvv

    Thread Starter New Member

    Dec 10, 2010
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    0
    I'm looking to convert the ac power input of a thermostat to 5v DC power.
    I want to convert 24v AC to 12v DC. please give me the circuit diagram& component values.. so please help me.. Many Thanks
     
  2. bertus

    Administrator

    Apr 5, 2008
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  3. wayneh

    Expert

    Sep 9, 2010
    12,153
    3,059
    What do you want to power?

    If you don't need much current (more than ~0.5A), and don't care too much about efficiency, take a look at a full-wave rectifier (to make DC) with a 7812 voltage regulator (to give you a constant 12v) circuit on the output.
     
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