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12V input to 3 fixed voltage levels output, controlled by a pushbutton.

Discussion in 'Power Electronics' started by LCM, Jun 2, 2021.

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  1. LCM


    Jun 2, 2021

    Would anyone be able to point me in the right direction (design examples, components to use) in order to make a controller that via a push button cycles through 4 fixed output levels (off, 33%, 66%, 100%). See attached drawing for wanted functionality details.


    Attached Files:

  2. Harald Kapp

    Harald Kapp Moderator Moderator

    Nov 17, 2011
    Use a microcontroller (e.g. Arduino, PIC, ...) to control the sequence of voltage steps.
    Use the microcontroller to set a programmable voltage regulator to the desired output voltage. Some examples for programmable voltage regulators:
    You surely will find many others.
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