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Photochlorination apparatus, setup of multiple UV LED lights, help please...
Our first cure lamp consisted of 3, just 3, of the 5W royal blue Luxeons (700mW output each). The r ... |
10-8-2005 at 19:41
by: Twospoons |
Photochlorination apparatus, setup of multiple UV LED lights, help please...
My workmate and I are looking at buying a wafer of 400nm UV LED die from Cree (about 6000 die) and g ... |
10-8-2005 at 17:56
by: Twospoons |
Can we say "ahem-blinkered-ahem!!!!
Just because someone disagrees with you is no reason to get all pissy and go hide in a corner and su ... |
4-8-2005 at 19:17
by: Twospoons |
Photochlorination apparatus, setup of multiple UV LED lights, help please...
Near as I can work out halogens go down to 250nm, but the output is quite low.
The vast bulk of the ... |
1-8-2005 at 16:27
by: Twospoons |
Power Supplies
[quote][i]Originally posted by jimwig[/i]
where would be without hot glue?????
[/quote]
A lo ... |
31-7-2005 at 22:17
by: Twospoons |
Photochlorination apparatus, setup of multiple UV LED lights, help please...
Well, they're your LEDs, so do with them as you please. Just be extra careful not to knock the ... |
31-7-2005 at 17:14
by: Twospoons |
Splitting Water
That second pdf is bullshit. It implies you can run your car forever on a tank of water. Sorry, bu ... |
26-7-2005 at 16:45
by: Twospoons |
Reclaiming precious metal confusion
Silver at $7 an oz is too cheap for extraction from circuit boards, where its mixed with a lot of o ... |
26-7-2005 at 14:10
by: Twospoons |
Reclaiming precious metal confusion
Gold - Don't expect much return, theres very little gold in old pc parts. That gold plating y ... |
25-7-2005 at 14:22
by: Twospoons |
A true “gel” silica gel binder for graphite (or PbO2?) electrodes.
Yes, but to get a nice conductive anode you really should plate solid PbO2 over the top. |
21-7-2005 at 23:53
by: Twospoons |
A true “gel” silica gel binder for graphite (or PbO2?) electrodes.
It might be possible to improve the mechanical properties by adding chopped carbon fibre, or glass f ... |
21-7-2005 at 17:16
by: Twospoons |
Power Supplies
Oh dear...
A 'switching' supply is one that uses internal switching to regulate the out ... |
18-7-2005 at 23:21
by: Twospoons |
Queries on the silver mirror process
Thanks for all the replies, and correcting my nomenclature regarding 'fulminating' vs ... |
18-7-2005 at 16:01
by: Twospoons |
Queries on the silver mirror process
I have a couple of questions regarding glass silvering by reduction of ammoniacal silver nitrate, as ... |
17-7-2005 at 16:28
by: Twospoons |
Photochlorination apparatus, setup of multiple UV LED lights, help please...
One thing about the 12V 1 Amp wallwart - don't buy a cheap one! They're nasty, unregulate ... |
17-7-2005 at 16:14
by: Twospoons |
Photochlorination apparatus, setup of multiple UV LED lights, help please...
[quote][i]Originally posted by chemoleo[/i]
It' s a shame that LEDs don't do less than 36 ... |
12-7-2005 at 13:44
by: Twospoons |
Photochlorination apparatus, setup of multiple UV LED lights, help please...
The pdf was built with Acrobat 6.0, so you'll probably need Reader 6.0
Incidently, Nichia ha ... |
11-7-2005 at 16:46
by: Twospoons |
Photochlorination apparatus, setup of multiple UV LED lights, help please...
IrC : Here's a pdf of my files - schematic, overlay, and pcb copper pattern. I set the patter ... |
11-7-2005 at 14:44
by: Twospoons |
Glacial acetic acid...
In New Zealand glacial acetic is available OTC from pharmacies. Where are you? |
7-7-2005 at 16:10
by: Twospoons |
How did you find the Mad Science Discussion Board?
Like many others, from EWF. Got sick of their preoccupation with destruction, so I don't go th ... |
6-7-2005 at 21:54
by: Twospoons |
The 125 Biggest Questions in Science!
I worked for a washing machine manufacturer for a while (really !), and I can tell you the trickiest ... |
6-7-2005 at 21:42
by: Twospoons |
Photochlorination apparatus, setup of multiple UV LED lights, help please...
"... higher efficiency..." Well, thats not really true. There is always a maximum pulse c ... |
6-7-2005 at 20:44
by: Twospoons |
Photochlorination apparatus, setup of multiple UV LED lights, help please...
Eraser bulbs are no good for me. Only a few watts, and its a large diffuse light source, so I can&# ... |
5-7-2005 at 22:31
by: Twospoons |
Photochlorination apparatus, setup of multiple UV LED lights, help please...
Glad you like it! 
Yeah, we spent a bit of time figuring out how to NOT fork out $5000 for a prop ... |
5-7-2005 at 21:30
by: Twospoons |
Photochlorination apparatus, setup of multiple UV LED lights, help please...
Thought I'd add a pic of it running. You can see the heatsinking wires sticking out the back.
... |
5-7-2005 at 20:37
by: Twospoons |
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