Recent content by Dave_H

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    Binge worthy series

    Just watching season 2 of "Your Honor" with Bryan Cranston et al, pretty suspenseful. Three DVDs, nine parts, and I have it just this week. <binge> <binge>. Dave
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    Do Flashlights get dimmer with age?

    Do flashlights get dimmer with age? No, but sometimes the owners do! Just kidding, could not resist. Dave
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    Rechargable flashlights question.

    Problem with rechargeable lights with non-removable (and possibly non-replaceable) cell(s) is that once they run down you have no choice but to put it aside for recharge, and use something else. This might not be good in an emergency. Besides that, some lights try to hide capacity of the...
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    Another "black light" that isn't

    With supplied diffuser removed it works pretty well, comparable to small 400nm LED flashlight but somewhat brighter. Try sticking on a clear bulb of glass or plastic. Maybe a plastic cup from dollar store or something which comes free as food packaging could work. Dave
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    more battery recycle waste/recovery

    Lots more recovery including some AA NiMH which appear to be good (and charge normally). Dave
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    Light for an usher in a theater?

    Disposable lights of old are interesting but quaint, things have come a long way. I suspect OP would like something more compact, with easily replaceable cell(s). Maybe something with a right-angle head would work, can't make specific recommendation but still checking around. Still wondering...
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    Another "black light" that isn't

    I snagged this LED "black light" bulb for $2.50 at local store (Dollarama), it looked promising. It emits strong blue/white visible light which obscures most effect of UV. Looked like a bust. Package is mostly hype, 6W sounds impressive but draws only 4W. At least it didn't claim to "light...
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    What Resistor do i need for 10W 5V 1050mA led

    What supply voltage are you using? Agreed, driver is probably best, at 12v you will be losing almost half the power into heat. Is this the one? https://www.ebay.ca/itm/262337338578 Dave
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    When did black conductive anti-static foam stop being conductive?

    Two basic types of foam: pink (usually) polyethylene which is anti-static but not conductive, and the black stuff which is conductive. I picked up a piece of the latter which has been around for awhile (decades) and it crumbled, so it must dry out or otherwise break down (made a mess). I...
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    Those tunes that get stuck in your head

    "Lily Was Here" with Candy Dulfer (sax) and Dave Stewart (guitar). There are several video renditions on UTube. Dave
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    Light for an usher in a theater?

    Some Coast lights have momentary push rear clicky which could be handy. G23 does, beam colour is cool, but not "angry blue". I'm waiting for a sale on it. Another idea is orange or yellow LED light stick. RayOVac one has a right-angle white LED head, plus orange with a long diffuser, using...
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    MR 16 LED fixed lighting challenges

    Does Ikea have anything suitable (assuming they sell light bulbs in CA)? They are right up there in efficacy, most I've seen are at least 100 lumens/W, many higher. Can someone briefly summarize the CA restrictions, down this line? Is it actually an offense to ship/carry a non-compliant...
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    Light for an usher in a theater?

    Maybe something not exactly a flashlight, small palm-size light like the 3AAA Alpena VersaPod might work. It produces white or warm amber/orange light, more flood than beam. Unfortunately this one is a bit chunky, size/shape of an oversize bike rear light; and has no mode memory so has to cycle...
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    Light for an usher in a theater?

    Also wondering if there is any value to using "red" for non-distraction, readability (-ve?), and "night-vision" in a dark theatre environment? Do any other colours e.g. green figure into this? I notice a couple of my cheap penlights have an "angry-blue" spot at the beam centre, best to...
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    Light for an usher in a theater?

    Speaking generally, there are lots of small 2AAA penlights (but longer than 2.5") sometimes called "inspection lights", and also compact 1AA and 1AAA lights in the sub-100 lumen class, without the annoying flash "feature". All should work fine on primary or NiMH. Some may have high/low, but...
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