Recent content by Der Wichtel

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    Sold/Expired SST-50 & SST-90 Mag-Lite Kit

    yes they are
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    Cree XM-L2 Dropin for Mag-Lite

    Thanks. Yeah, I'll use the 5A driver. I hooked the LED up to my bench power supply and ran it for 2h at 5A without any problems. I should have taken before and after pictures to see any degradation...
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    Cree XM-L2 Dropin for Mag-Lite

    Oh yeah you are right. Those are all 6500k
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    Cree XM-L2 Dropin for Mag-Lite

    just got some Cree XML2 U2 in 4500k and soldered them on the copper base. But now I just discovered that U3 bins are available :rolleyes:
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    Cree XM-L2 Dropin for Mag-Lite

    I had to write my master thesis the last months. I just finished last week so maybe more updates soon
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    Cree XM-L2 Dropin for Mag-Lite

    The server i sometimes offline... But now it's online again :thumbsup:
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    Sold/Expired High efficient 5A/9A Buck Converter for SST-50, SST-90

    you can create an analog signal with a rc lowpass filter from your pwm source and then use the adjustable version for potentiometer. The PWM should be 0-3.3V.
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    Cree XM-L2 Dropin for Mag-Lite

    Thanks! Unfortunately I had no time to install it into the light....
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    Need input. Running XML2 LEDs on a 12v Power Supply?

    here is a picture of a series connection...
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    Cree XM-L2 Dropin for Mag-Lite

    It's been a while since my last mod... Here is a Cree XM-L2 Dropin that I made a couple days ago. The LED and the PCB is soldered directly to the aluminium/copper socket. To make the aluminium solderable I electroplated it with copper. But I'm not sure what the long term effects will be since...
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    Cree XP-L, XM-L performance in an XP size package

    Nice, I think it's time to build a new light
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    amp question

    There is a difference between Ah and A. Ah is the capacity of the battery (the current that is delivered when the battery is emptied in one hour) A is the current.
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    SR 90 Shorty (980 KLUX)

    Nice light:popcorn:
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    Sold/Expired High efficient 5A/9A Buck Converter for SST-50, SST-90

    Without your email I can't contact you but you can write me an email. It's on the first page
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    Build Log: The 1.5V Project

    Yes, it will always work. I used a hard switch as well. The idea is that if the switch disconnects the circuit from power nothing is sourcing the C with current that keeps the voltage up. On the other hand the input resistance of the µC is still present that slowly discharges the C. Took me a...
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