Recent content by DVH8

fenix-store
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    CAUTION !! Misleading budget battery and lumen claims

    That's some real quality engineering right there!:fail:
  2. D

    CAUTION !! Misleading budget battery and lumen claims

    That's some real quality engineering right there!:fail:
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    Machining services wanted.

    It does. Thanks.
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    Handheld search light for backcountry SAR team

    Something to consider: If your SAR work involves snow and avalanche beacons, the switching power supplies in LED lights can interfere with the beacon receivers. Depending on the design, switching them to full power MAY eliminate the interference if the switching driver is bypassed. Best to...
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    Machining services wanted.

    When you say "Pill", what exactly does that mean?
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    Machining services wanted.

    I don't know any local machine shops, but with the intertubes, local is less important than it used to be. I will get there, but I'm not there yet. I've been prototyping electronics since 1978. Well aware of the issues with everything from onesies (which is why I own three 3D printers) to...
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    Designing into flashlight housing

    This is my first try at designing electronics to fit into a flashlight case. I have some questions, which may seem very basic. I have selected the Convoy L2 host based on size, battery configurations, and general look and feel, and have samples of the host in hand. I see mentions of the...
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    26650 cell comparison?

    Very cool, thanks! The Shockli IMR26650 looks like the winner at a 5A rate.
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    26650 cell comparison?

    I'm designing for an hour run time. It's a question of what can I have, rather than what do I need.
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    Machining services wanted.

    Preliminary inquiry: I am designing some electronics which will use a Convoy L2 host as its power supply and battery holder. I will need a forward enclosure (Aluminum?) that will replace the front lens retaining ring, and needs to be threaded to match the host. I don't have a complete design...
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    26650 cell comparison?

    Is there a page that compares 26650 cells at or around 1 hour discharge times? I'm looking for the cells that will give me maximum power output over a 1 hour run time. Thanks
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    Flashlight body as power source

    I ended up getting a couple of Convoy L2 Flashlight Hosts to check out. I need to find a source for tubing of the proper diameter, and what the thread is on the ring that holds in the lens. With that, I can have the body for my electronics made to screw on in place of the lens retaining ring...
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    Flashlight body as power source

    I am looking for a source where I can buy about 100 cases. The ideal case will be 2x 18650 or 4x AA cells, and allow for rapid replacement of those cells. Minimal length, my preference would be to have the two 18650 cells in series but sitting side by side. I need to be able to mount my...
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