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  1. redwire

    New Power Supply II

    The other thread seems to be corrupted or locked so I will continue here Although I had many wires and jumpers the PS seemed to work well and testing seemed good until i shorted the board and burned some traces.  Happy with the design, I had 3 new boards made and populated 2 of them. ...
  2. redwire

    NEW 0-30V Switching Power Supply

    There are many economical switching power supplies units for sale but I had difficulty finding any complete designs (None in the Projects section) with proven results.  I know there are some disadvantages compared to a linear supply but many of the advertised units have reasonable performance...
  3. redwire

    0-30V Stabilized Power Supply

    We seem to have lost the extensive discussion on this power supply topic.    I attached what I believe is the latest version.   NOTE the parts list included in the attached zip file is REV 5 dated 12/13/13  and  covers the next 125 pages of this tread.      0-30V.zip
  4. redwire

    Re: Voltmeter + Ammeter LCD panel

    I think a common 1N4001 diode would work for both D1 and D2.  Note that the full rectified voltage of the power supply enters D2 and goes to the 12V voltage regulators.  The upper limit of the voltage regulator is around 32v so there is a good possibility that the voltage being supplied is at...
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