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Thread: 1000mA 3.7V Li-ion Single LED Driver

  1. #1

    Default 1000mA 3.7V Li-ion Single LED Driver

    Other buck pucks have a maximum and minimum rating, how high of a voltage can this one take? Is it only 3.7?
    I can light a small city with my board

  2. #2

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    Maximum voltage input appears to be 4.5v. I wouldn't use anything other than a single li-ion cell to power this.
    We all have to start somewhere. The journey is all the more impressive by our humble beginnings.

    http://led.linear1.org/1led.wiz for the lazy man's resistor calculator!
    http://forums.thecustomsabershop.com...e-to-Ohm-s-Law for getting resistor values the right way!

  3. #3

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    Quote Originally Posted by Silver Serpent View Post
    Maximum voltage input appears to be 4.5v. I wouldn't use anything other than a single li-ion cell to power this.
    Thank you , is this compatible with the red cree?
    I can light a small city with my board

  4. #4

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    Yes it is. It should be compatible with any of the single LED stars. It's not going to run multiple LEDs at the same time properly.
    We all have to start somewhere. The journey is all the more impressive by our humble beginnings.

    http://led.linear1.org/1led.wiz for the lazy man's resistor calculator!
    http://forums.thecustomsabershop.com...e-to-Ohm-s-Law for getting resistor values the right way!

  5. #5

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    Quote Originally Posted by Silver Serpent View Post
    Yes it is. It should be compatible with any of the single LED stars. It's not going to run multiple LEDs at the same time properly.
    That's what I thought . Then I seem to be having an issue with it powering a red cree. The polarity seems to be marked wrong on the led. Is that common?
    I can light a small city with my board

  6. #6

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    Incorrectly marked polarity is not common except for a specific RGB LED star sold elsewhere online.

    It's always possible one got made up incorrectly.
    We all have to start somewhere. The journey is all the more impressive by our humble beginnings.

    http://led.linear1.org/1led.wiz for the lazy man's resistor calculator!
    http://forums.thecustomsabershop.com...e-to-Ohm-s-Law for getting resistor values the right way!

  7. #7
    Owner of the Custom Saber shop Strydur's Avatar
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    Assuming you got it all through us please send us a E-mail with pictures.
    Tim
    The Custom Saber Shop

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