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Need machine vision camera
That'll teach me to listen to my workmate and not look it up. If your camera is on a root hub, with ... |
22-3-2006 at 21:22
by: Twospoons |
Need machine vision camera
USB 1.1 runs at 12MB/s in full speed mode. So 3.5 MB should only take around 1/3 second as a bulk t ... |
22-3-2006 at 16:16
by: Twospoons |
Silvering Pyrolytic Graphite
I've just realised that since graphite is conductive, you may be able to electroplate it. I think t ... |
16-3-2006 at 13:34
by: Twospoons |
Silvering Pyrolytic Graphite
Vacuum metalisation? |
15-3-2006 at 13:30
by: Twospoons |
Gas Flow Rate Meter
How are your electronic skills? Because you can get the pressure sensor element from [url=http://www ... |
14-3-2006 at 14:23
by: Twospoons |
Electrets
For eletrets you might try some of the titanate compositions used for ceramic capacitors. (going sol ... |
6-3-2006 at 16:46
by: Twospoons |
Cheapest OTC Hg source
A workmate has just given me 4 high current mercury tilt switches. These have about 1-2 ml of mercu ... |
6-3-2006 at 16:38
by: Twospoons |
Gas Flow Rate Meter
[quote][i]Originally posted by mrjeffy321[/i]
The flow through the very tiny "orifice" is where ... |
2-3-2006 at 19:21
by: Twospoons |
Superconductor made in the microwave
That link doesn't work either. |
2-3-2006 at 14:24
by: Twospoons |
Gas Flow Rate Meter
The orifice flowmeter, which is what Cyrus is describing, can also be used with a differential press ... |
2-3-2006 at 14:22
by: Twospoons |
'Crystals' of tin (with pictures)
If you don't want crystals, then it looks like you need to add a 'brightener' as used in electroplat ... |
28-2-2006 at 19:52
by: Twospoons |
Superconductors and magnetism
[quote]
As to floatation of the magnet - say I put an uncharged supermagnet into vacuum, into space ... |
27-2-2006 at 19:08
by: Twospoons |
Power Supplies
I preferred your turn on delay with just the cap and transistor (or you could use a fet).
And i ... |
20-2-2006 at 20:04
by: Twospoons |
Nepetalactone extraction
"White gas" or "White spirit" , as used in liquid fuelled camp stoves, is mostly n-Hexane. |
17-2-2006 at 17:30
by: Twospoons |
Power Supplies
It depends on whether the breakdown characteristics are in the model for the fet. A sim is only as ... |
14-2-2006 at 12:57
by: Twospoons |
Power Supplies
Here's another circuit for you to consider - with simulation results 
Its your same source-foll ... |
13-2-2006 at 19:58
by: Twospoons |
Power Supplies
[quote]
And I'd bet good money the sim will return an
erroneous evaluation on a novel circuit it's ... |
13-2-2006 at 18:02
by: Twospoons |
Power Supplies
Rosco, I recommend you get the SPICE software yourself.
Go [url=http://www.catena.uk.com/site/downl ... |
13-2-2006 at 14:00
by: Twospoons |
Power Supplies
Sorry to burst your bubble, Rosco, but your circuit as drawn just plain doesn't work. I ran it thr ... |
9-2-2006 at 19:35
by: Twospoons |
Why is Pt a good catalyst?
Nickel will catalyse hydrogenation reactions. But Pt is better at it. Why? I don't know. |
7-2-2006 at 19:03
by: Twospoons |
Need machine vision camera
How big does your scintillation screen *need* to be? I ask because there are x-ray cameras already a ... |
6-2-2006 at 22:16
by: Twospoons |
Power Supplies
[quote][i]Originally posted by Rosco Bodine[/i]
Back to back zeners are an old trick for gate prot ... |
6-2-2006 at 22:06
by: Twospoons |
Power Supplies
Mm. Delete the zeners between gate and drain.
It occurs to me that a simpler method exists if y ... |
6-2-2006 at 19:05
by: Twospoons |
Power Supplies
Having the gate more negative than the source is not a problem - its a trick often used to provide n ... |
2-2-2006 at 19:48
by: Twospoons |
microwave modifications
yes it should work. Its really just an extension of the ventillation fan system thats already in yo ... |
19-1-2006 at 13:50
by: Twospoons |
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