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Old 03-15-2015, 08:33 PM   #826
classicman
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Quote:
These bulbs flicker a little bit.
AAAAAAAAAAAAAAAAAAAAAArrrrrrrrrrrrrrrgggggggggghhhhhhhhhhh!!!

Shoot me now! /head twitch/
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Old 03-15-2015, 11:07 PM   #827
xoxoxoBruce
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I hardly notice what with the room spinning and me trying to hang on to the floor.
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Old 04-17-2015, 04:35 PM   #828
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Carpaltunnelnomore!!!!!

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Old 04-18-2015, 11:38 AM   #829
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Quote:
Originally Posted by glatt View Post
These bulbs flicker a little bit.
Quote:
Originally Posted by classicman View Post
AAAAAAAAAAAAAAAAAAAAAArrrrrrrrrrrrrrrgggggggggghhhhhhhhhhh!!!

Shoot me now! /head twitch/
Quote:
Originally Posted by xoxoxoBruce View Post
I hardly notice what with the room spinning and me trying to hang on to the floor.
I broke down and bought an oscilloscope. Not a real one, but a cheap PC based one. And I'll be damned if it doesn't do a spectacular job. At least on this.

I hvae a solar panel I've been storing for a rainy day (*snicker*) and I hooked it up to the scope last night.

Measured various light sources and the voltage they generated in the solar panel.

An incandescent bulb is a nice steady light source. This was the refrigerator light, the only old fashioned incandescent bulb I could easily find without dragging my laptop and USB wires and probes and stuff all over the house.
Look how steady that light output is! (You are looking at the blue horizontal flat wave line in comparison to the red zero horizontal line.
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And below is the traditional four foot long fluorescent light on our kitchen ceiling. It cycles 120 times a second, but it doesn't lose much of a glow in between each cycle, so it's a pretty smooth light source.
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The under cabinet LEDs shown below are connected to a fairly complex power supply and special dimmer that cycles them over 600 times a second, so they don't appear to flicker. And they never dip too low either so they go Bright/Not so bright 600/sec and look fine.
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And that brings us to the dining room LED lights shown below. They flicker 120 times per second, just like the kitchen fluorescent, but they turn almost completely off in between each cycle. It's visible.

Just look at these!
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I
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Old 04-18-2015, 12:42 PM   #830
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kool
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Old 04-18-2015, 02:13 PM   #831
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Originally Posted by glatt View Post
I hvae a solar panel I've been storing for a rainy day (*snicker*)...
Yeah, that's doing it wrong, alright.

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Old 04-21-2015, 04:34 PM   #832
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No, it doesn't come w/safety glasses...

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...but, at least you'll know how long you've been waiting in the ER.

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Old 04-21-2015, 05:00 PM   #833
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I want both of those things.
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Old 04-22-2015, 05:16 PM   #834
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I like the watch.
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Old 04-29-2015, 02:48 PM   #835
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Old 04-29-2015, 03:13 PM   #836
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heh. so you can have a picture of shooting them in the back?? "fleeing criminals" "worked by gun's trigger".

heh.
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Old 04-29-2015, 04:49 PM   #837
xoxoxoBruce
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Hope the perp is running backwards.
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Old 04-30-2015, 11:10 AM   #838
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It may not exist as a product yet, because it appears to be in development, but I give you the Selfie-Arm.
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Old 04-30-2015, 11:31 AM   #839
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WHO TOOK SECOND PICTURE
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Old 04-30-2015, 11:53 AM   #840
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WHO TOOK SECOND PICTURE
The amputee that lost his camera, too.
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