dimmer circuit puzzle


Posted on Feb 7, 2014

The fridge cut in and the lights got brighter. I thought we were imagining it but we watched for several cycles, and it kept happening. Then we tried turning on the microwave, and the lights got dimmer. But the fridge definitely made it get brighter. I think I figured out what is going on, and the answer is kind of interesting. It`s really a two-part question: part 1 is just why is a dimmer


dimmer circuit puzzle
Click here to download the full size of the above Circuit.

switch turned down low so very sensitive to small changes in line voltage; and part 2, why the anomalous result of the lights getting brighter




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    HF GENERATOR using a 68HCx11
    Mini-Drill Control
    microphone preamp circuit
    9 volt headphone amplifier
    Mains operated LED night lamp
    Sound operated flip flop
    UPS-Uninterruptable Power Supplies
    USB Printer Share Switch
    Two electric motors or electrical interlocking control circuit



    Top