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diy led driver

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diy led driver Customers Reviews

  • 3*7135 chips

    posted by espimones

    7135 chipsRegulatedMemoryReal output advertised
    This regulator drive out fairly steadily 1.4 amps. in max. mode.Exactly: 1.35 in high mode, 0.4 in middle, 0.6 in low (fluctuating in sos and fast strobe modes).I have put it, working together with a 16 mm alu base Cree R5 led in my Trustfire TR-801, and it bright now 25%-30% more than the original Cree Q5 led, giving a really flood light!According Cree data sheets, Cree R5 can hold up 1,5 mA, so this regulated circuit is perfect to this led. Other drivers that can only drive up 1000 Ma, will give 25% less light tan this.
    I recommend it
  • good driver for two AA bad driver for one AA

    posted by yrnkrn

    small compact driverpre-soldered wiresexcellent currency stability at input voltages above 1.5v
    Originally thought to use this with one AA but based on testing repurposed the driver for a two AA flashlight.
    This is a good driver for two AA, 2-3V. This is a terrible driver for one AA 1.2-1.5V.
  • A friendly little driver

    posted by carper123

    They work, have proper efficiency and come to a fair price. The simple layout makes it easy to tweak the driver for your specific application. It fits lots of Flashlight shells and modules sold on dx.Take a 7135 chipp off and you get 700ma.So you can use for other leds or you can add a 7135 and get 1400ma just a good driver.
    It should be better to write a couple lines in product description - about installation and configuration of this driver just so the younger people can understand how things work .I'd buy another one :)
    nice driver if you dont want all the other modes just on off works for me.
  • Great DIY repair for singe AA flashlights

    posted by QBranch

    Great to have around for repair of small single AA flashlights. I have four HUGSBY P31 lights (sku: 35078) and unfortunately 3 have failed. Found out that the emitter and switch are fine, so it must be the emitter board. So I found these on DX and ordered 5. These fixed all 3 of my P31 lights. BUT be aware that 2 of the 5 sent were 3 mode boards (Hi-Lo-Flash) and 3 were 1 mode (Off-On). The SKU stickers on the zip baggies were identical (128096). Note that the black boards with a larger baggies were 3 mode and the green boards with small baggies were 1 mode.
    Items got sent in a bubble mailer envelope and 1 emiiter got smashed.
    Great DIY repair board and to have some around for spare.
  • Works like the charm!

    posted by pepesz

    - It's cheap but looks solid. - Works as expected.- So far quiet (without annoying buzzing).- Screw terminals for wires.
    The adjustment pots are not described on the PCB so little guessing is needed.The coil is not fixed to the board - would be nice to glue it to the PCB.There is no input polarity protection diode so do not swap power cables!Overall quite useful piece of product.
    Definitively worth the money, so buy it if you need one.

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