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5v led light

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5v led light Customers Reviews

  • Arduino compatibility

    posted by firesign

    Bright RGB LEDsSimple hookupUser can control two pairs of LEDsFor Arduino use ShiftPWM library
    I was able to make this module work with Arduino using the ShiftPWM library from Elco Jacobs at http://www.elcojacobs.com/using-shiftpwm-to-control-rgb-leds-with-arduino/ . I only had one but I assume that the library will support daisy-chained modules. You will also need a robust 5v power supply, since the Arduino digital outputs don't have the required current to drive the module.
    If you don't mind experimenting a little, I think that this module is good value for the money.
  • USB macro ring light

    posted by Ulongh

    - Cheap price.
    - Good build quality.
    - Very bright circular 18 LEDs.
    - Metal flexible tube is easy to adjust but sturdy enough to hold the weight of LED light.
    - Has a built-in plastic convex lens to be use as magnifying glass.
    - Built-in magnifying glass in combination with compact (point and shoot) digital camera with small lens can be used as a close-up filter.
    - For photography of small objects (macro), circular LED is helpful in order to provide even lighting with no shade on the subject as a macro ring light.
    - It would be useful if the built-in magnifying glass can be detached in order to replace the close-up lens to be the one with better quality.
    - Using this LED light for photography, user should adjust white balance to cloudy to get more accurate color.
    - To gain high magnification in photography of small objects, the camera lens should be set at telephoto position.
  • Very good portable charger

    posted by vento90

    Good looking Simple to use Four-bar working battery fuel gauge Moderate efficiency of 68% if phone charged to full, better if charged partitially. Very sturdy. Compact size compared to other 2x18650 housings.
    I own several portable batteries and this is clearly the best. This can't fit protected batteries, but this shouldn't be an issue since it has overcharge and overdischarge protection built-in. I'm using SKU: 180030 Panasonic batteries which stores the highest capacity of real 3,4Ah in 18650 casing.
    This little thing can store a lot of energy in small size with quality batteries.

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