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This is odd. I found it while looking at the other USB night light options.
It plugs directly into a USB port and does the usual "licking flame" effect, albeit with a very short loop, suggesting maybe a lookup table being used for the animation. My own preference is for a more random effect where it's hard to see the loop repeat if at all.
The circuit is simple, so it would make a good base for writing your own code for a microcontroller with matching pinout. The current draw was roughly 30mA.
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14 thoughts on “Usb flame lamp”
  1. Avataaar/Circle Created with python_avatars Rene Knuvers says:

    The lower one is always on. Did they use an output to control it???

  2. Avataaar/Circle Created with python_avatars Antonio Claudio Michael says:

    Does look like a lookup table was used seem little fast on movment to be a flame effect interesting little light Clive

  3. Avataaar/Circle Created with python_avatars Antonio Claudio Michael says:

    Wow super simple design

  4. Avataaar/Circle Created with python_avatars george blair says:

    local dollar store even has flame effect solar garden lights.

  5. Avataaar/Circle Created with python_avatars d. t. says:

    Good luck. 👍

  6. Avataaar/Circle Created with python_avatars superdau says:

    Combining two or more of them in a single diffusor case should get rid of the obvious repetitiveness (I doubt multiple of these lights will stay in sync over a long time).

  7. Avataaar/Circle Created with python_avatars RavenLuni says:

    A bit like the aquarium light I made – a pic with lookup tables and a ws2812 strip to simulate light shimmering through the water

  8. Avataaar/Circle Created with python_avatars U+014B says:

    I wonder how feasible it would be to do the flicker effect with a noise generator/sample-and-hold type of thing.

  9. Avataaar/Circle Created with python_avatars TheLouisEric says:

    Many of these were using musical greeting card chips that the market was saturated with to produce the “flame”. By looking at it you can sometimes guess what song it is “playing”.

  10. Avataaar/Circle Created with python_avatars NiHaoMike says:

    Would be nice if they made a version that's basically an Arduino, just plug into a PC to reprogram. (Shouldn't be too difficult to DIY.)

  11. Avataaar/Circle Created with python_avatars Elvin Haak says:

    Not even a black blob anymore… only a 'real chip'…

  12. Avataaar/Circle Created with python_avatars The Anthony Markley 260 says:

    Thanks for spending time with us today, Clive. Your company is always appreciated.

  13. Avataaar/Circle Created with python_avatars Thomas Yeats says:

    I spent hours recently experimenting with; orange flicker, steady orange and steady red leds.
    I salvaged some garden solar lights, which are all doa, and stripped them down to the bare globe. The faceted glass globe gives a nice effect.
    Best so far, 1 x 5mm red, 3mm orange, and 3mm orange flicker one.
    Gets a bit crowded in there with resistors and clear heatshrink housing. 😉

  14. Avataaar/Circle Created with python_avatars Skruffles says:

    Huh, a year or two ago I got a 240V version of these flame bulbs and tore it apart, found the majority was low voltage and stuck a USB lead on it.. This seems a bit easier 🙂

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