Recent content by mercrazy

  1. M

    Cree sells LED business

    yep, china killed another American business. where does it end?
  2. M

    365nm UV LEDs???

    Cree is making 5w UVs?
  3. M

    2 or 3 LED string

    very little switching and the switch is rated for 10 amps. thanks for the explanation. i feel better now. as i've said before... YOU ARE THE MAN!!! THANKS AGAIN.
  4. M

    2 or 3 LED string

    how can i use 1 switch to turn off light completely and short 1 LED? i've been using this design for 2 years with no failures but now you've got me worried... it says 8861 has INHERENT open circuit LED protection...whatever that means??? thanks
  5. M

    2 or 3 LED string

    I'm limited to one switch. I use the SOT89 package for smaller size and still get 1.5A rating. I was going to hook common on switch to pin 4. Connect 1 side of switch to first LED in string, connect other side of switch to second LED in string. I'm using this design on another light with 2...
  6. M

    2 or 3 LED string

    i want to run either 2 or 3 LEDs with an AL8861 chip and control by double pole switch. the chip has open circuit protection. will this work? i don't know how to show my circuit. thanks
  7. M

    LED strip lights for stair/step lights, etc.

    strip lights suck. no heat dissipation, weak output, plastic cover yellows over time, look cheap because they are cheap. many better alternatives.
  8. M

    365nm UV LEDs???

    i've used filters similar to these. you have to get specific ones for wavelength you're using. they will stop almost all visible light but will reduce some of the uv...
  9. M

    Violet/Purple LED

    mine aren't 420nm. mine are 400-410nm, more blue than purple.
  10. M

    Violet/Purple LED

    all kinds on ebay https://www.ebay.com/itm/F5-5mm-Round-Ultra-Violet-LED-UV-Light-365nm-390nm-395nm-405nm-Purple-Lamp/113857909128?hash=item1a8275d188:m:m4hy361bz_3dl0A6A3L3JWQ
  11. M

    Violet/Purple LED

    how many you want? i might have some 410nm.
  12. M

    UV led strip

    400nm will show most fluorescent paints.
  13. M

    xt-e prices???

    i just got an offer from 1 of my suppliers to buy XT-E whites for 4.8 cents each. have to buy large quantity but what is up with that price? are these obsolete or is something better coming? thanks
  14. M

    5mm LED without the diode

    all the 5mm diodes i've seen are molded around the diode.
  15. M

    shop light recommendations

    40' x 60' x 12' walls, cathedral ceiling, walls and ceiling lined with white metal. i will only use LED, just want good quality at fair price. i bought an exterior LED porch light with sensor at lowes for $80. bought something similar on ebay for $30 and like them just as good or better.
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