Last comments - LED lighting (Except road lanterns), LEDs in general, lasers, flashlights and other lighting gadgets

Last comments - LED lighting (Except road lanterns), LEDs in general, lasers, flashlights and other lighting gadgets

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My chinese no brand "Near UV" flashlightdor12306/05/10 at 04:17SeanB~1: Depends if the leadholes were not correctly punche... My chinese no brand "Near UV" flashlightdor12306/05/10 at 03:32Medved: On these things the assembly contact and not the L... The blue LEDs in my Eurolux nightlight afterglows after turn offdor12305/17/10 at 10:25SeanB~1: You are right Dor, the afterglow is a combination ... The blue LEDs in my Eurolux nightlight afterglows after turn offdor12305/17/10 at 08:34dor123: Madness and bluelights: This seems right. This Eur... The blue LEDs in my Eurolux nightlight afterglows after turn offdor12305/17/10 at 08:09bluelight: The blue LEDs have no phosphor coating and should ...
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The blue LEDs in my Eurolux nightlight afterglows after turn offdor12305/17/10 at 07:18rjluna2: @dor123: The coating of the diode probably contain... The blue LEDs in my Eurolux nightlight afterglows after turn offdor12305/17/10 at 05:53Madness: Capacitor discharge? The blue LEDs in my Eurolux nightlight afterglows after turn offdor12305/17/10 at 05:27dor123: rjluna2: The LEDs are blue and therefore don't... The blue LEDs in my Eurolux nightlight afterglows after turn offdor12305/17/10 at 04:33rjluna2: It is the phosphor coating of the diode. It will ... My chinese ~50mW DPSS green laser pointerdor12304/03/10 at 07:59Xytrell: Precisely. It's not as simple as a light bulb ...
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My chinese ~50mW DPSS green laser pointerdor12304/03/10 at 00:25RCM: Then you really can't say you KNOW exactly wha... My chinese ~50mW DPSS green laser pointerdor12304/03/10 at 00:19dor123: I don't have a power meter. My chinese ~50mW DPSS green laser pointerdor12304/02/10 at 14:17Xytrell: Do you have a power meter? The IR LED in the remote control of a Tadiran Carrier air conditioner operatingdor12304/02/10 at 14:12dor123: Xytrell: a 780nm LED usually shows up in digital c... My chinese ~50mW DPSS green laser pointerdor12304/02/10 at 14:06dor123: The metal color labels in laser pointers (Especial...
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The IR LED in the remote control of a Tadiran Carrier air conditioner operatingdor12304/02/10 at 13:59Xytrell: Eh? I've seen 780nm show up as that color as w... My chinese ~50mW DPSS green laser pointerdor12304/02/10 at 13:58Xytrell: No, and cutting materials in any reliable fashion ... My chinese ~50mW DPSS green laser pointerdor12304/02/10 at 13:33dor123: My green laser is perhaps 50mW as the label gluing... My chinese ~50mW DPSS green laser pointerdor12304/02/10 at 13:21f36t8: I have two almost identical pointers, one 30 mW an... My chinese ~50mW DPSS green laser pointerdor12304/02/10 at 12:54dor123: I don't point with it at buildings or air vehi...
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My chinese ~50mW DPSS green laser pointerdor12304/02/10 at 12:34SeanB~1: Hope you don't point it up at night........ My Eurolux 0.5 warm white LED nightlight switched ondor12303/06/10 at 17:24Parrot: I have a night light just like that but mine is 12... My Osram 0.4W amber LED nightlight operatingdor12303/05/10 at 02:46bluelight: dor123: This is the current waveform the LEDs see:... My Osram 0.4W amber LED nightlight operatingdor12303/05/10 at 02:16dor123: Pulsed DC!? I have never heard of it. I thought th... My Osram 0.4W amber LED nightlight operatingdor12303/05/10 at 02:00bluelight: dor123: It is because lack of filtering capacitor,...
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My Eurolux 0.5 warm white LED nightlight switched ondor12303/05/10 at 01:35bluelight: Medved: I meant the spike after turn-on, in which ... My Osram 0.4W amber LED nightlight operatingdor12303/05/10 at 00:10dor123: Medved said that LEDs (Of course) can only be oper... My Eurolux 0.5 warm white LED nightlight switched ondor12303/04/10 at 17:44Medved: @dor123: LED's might be operated ONLY on DC (t... My Osram 0.4W amber LED nightlight operatingdor12303/04/10 at 15:32Xytrell: They are only spec'd 5-15nm below a LPS discha... My Eurolux 0.5 warm white LED nightlight switched ondor12303/04/10 at 13:41bluelight: If they put a ~22ohm resistor in series with the s...
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