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Currently, a soldering iron looks the same when hot or cold. This is potentially dangerous. This could be solved with a soldering iron which glows red when hot.
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even better with an ordinary iron! |
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True... but it was a soldering iron I left unattended. |
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you never leave an ordinary iron smouldering on your trousers? |
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Occasionally, but it hurts after a second or so and I pick it up again. |
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[po] - Being a man I have never had an accident (or any other encounter) with an ordinary iron. I have however had many accidents with a soldering. Still, this gets a bun either way. |
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Christ, how hard can it be to iron a shirt? |
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//how hard can it be to iron a shirt// [detly] Bloody hard with a 15W soldering iron. |
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I find it less a question of how hard it is (I have actually ironed a shirt many years ago), than a question of why everyone is so concerned about having flat clothes. Don't get me wrong - I'm not a scuzzball, my house is clean and tidy and there's never washing up left in the sink, but this obsession with perfectly flat clothes and sheets and things just baffles me. |
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The obsession with flatness doesn't extend to girlfriends, I've noticed. |
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Golden rule: never pick up a soldering iron by the pointy end.
<edit> Never pick up your girlfriend with your pointy end. |
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I think it's a very good idea, but wonder
how long the thermochromic paint
would last? (I've only seen cheap things
like colour-changing coffee mugs, but
they stop colour-changing after a few
cycles). How about a flashing LED
powered from a capacitor which is kept
charged while the iron (or deep-fat-
fryer etc) is on, and then holds charge
long enough to keep the LED flashing
until the thing's cooled down? (I'm
assuming you want the warning to
persist even if the equipment is
unplugged?) |
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Add a small thermistor to detect temperature and turn off the LED. But that's for the posh version. |
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Or,
a sleeve which retracts only when you're gripping the soldering iron handle, then springs back down past the hot nib when you let go. |
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The thermistor would make most sense,
but would add complexity and cost. A
simple time-delayed flashing LED could
be built into any device at any point (for
example, into the cord-grip). But in any
case I like the idea of a "this thing was
used recently and is probably still hot"
sensor :-) |
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Hmmm not thermoelectric but you are milking this one for all it is worth! |
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//how long the thermochromic paint would last//
Titanium is thermochromatic and I figure titanium will last ages... |
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