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  1. L

    A dimmer does the job but is not periodical without the human hand turning up and down the knob constantly.

    Many Thanks HarryA, https://www.circuits-diy.com/fading-or-pulsing-led-using-555/#google_vignette this one pulsates a voltage into the LED I am a newby in circuits, I did not even know 555 existed. Yes, your circuit does the job.
  2. L

    A dimmer does the job but is not periodical without the human hand turning up and down the knob constantly.

    I AM LOOKING FOR AN OSCILLATOR  OR CIRCUIT THAT COULD MAKE A TAILORED PULSATING VOLTAGE OUTPUT.   I have a circuit that uses voltage to get variable frequencies, but what I need is the reverse, I need an Oscillator or any circuit that can by means of a potentiometer or variable capacitor create...
  3. L

    A dimmer does the job but is not periodical without the human hand turning up and down the knob constantly.

    The light form a bulb can blink to a frequency. Suppose one chooses 0.1 Hz, the bulb will be pulsing at that frequency. If the voltage is 5 volts, the result is a straight away 5 volts peak in a burst and all light intensity at once. If instead of flashing 5 volts, one wanted the current to rise...
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