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Building a Heating Element?
The chip handles the cold junction compensation with an internal temperature sensor, so its importan ... |
2-5-2016 at 18:50
by: Twospoons |
Building a Heating Element?
[url=https://www.maximintegrated.com/en/products/analog/sensors-and-sensor-interface/MAX31855.html]T ... |
2-5-2016 at 16:41
by: Twospoons |
Building a Heating Element?
If I were you I'd just buy a PID controller - you get a nice display and controls in a nice case wi ... |
1-5-2016 at 19:38
by: Twospoons |
Basic Induction Heater Safety?
RF and AC are the same thing, just different frequency. I'd say don't touch - the work coil could ea ... |
17-4-2016 at 14:25
by: Twospoons |
Combining low voltage induction heaters?
There is a reasonable chance that simply putting the work coils from several ZVS units next to each ... |
11-4-2016 at 21:58
by: Twospoons |
diy gas torch
Where I come from its known as a kerosene blow lamp. They put out a truly impressive amount of heat ... |
7-4-2016 at 14:17
by: Twospoons |
Curious corrosion formation
We're carrying out salt fog corrosion tests at work, and one of the test pieces has produced these w ... |
9-3-2016 at 18:23
by: Twospoons |
Sintering ceramics at half temps + 100vCm2
[rquote=439012&tid=23523&author=3DTOPO]
Morganism: is a magnetron sufficient to induce en ... |
15-2-2016 at 17:04
by: Twospoons |
Using a computer to control a pump/motor using whatever means possible
http://www.phidgets.com/products.php?category=0&product_id=1002_0
problem solved?
These guys ... |
9-2-2016 at 16:11
by: Twospoons |
When Chemistry Goes Wrong
I built an electrolyser with a gas separator and NaOH as the electrolyte. I was using it to fill tw ... |
8-11-2015 at 17:56
by: Twospoons |
Deposit Silver on PVC
Flame treatment might be tricky, but i think plasma treatment using an atmospheric pressure dielectr ... |
5-11-2015 at 20:01
by: Twospoons |
PCB etchant
Its definitely a mechanical cooling effect. Metal cutting lasers need fairly high power densities be ... |
27-10-2015 at 14:16
by: Twospoons |
PCB etchant
There is another method, if you have access to a CO2 laser engraver. You can spray the bare copper w ... |
22-10-2015 at 17:39
by: Twospoons |
PCB etchant
I have used the toner transfer method successfully for many years, as outlined above by m1tanker78. ... |
18-10-2015 at 19:36
by: Twospoons |
The wee 100w LED torch project
[rquote=423060&tid=63923&author=Sulaiman]
I can understand why different 'columns' of LEDs ... |
13-10-2015 at 13:32
by: Twospoons |
Constructing a vacuum chamber
The other starting point for your chamber could be an empty propane or LPG cylinder. They come in ma ... |
22-9-2015 at 14:29
by: Twospoons |
Acetone based wood paint stripping
I had great success using sodium hydroxide thickened with corn starch, and with a little detergent t ... |
2-7-2014 at 16:24
by: Twospoons |
Total lunar eclipse over North America
I had nothing but cloud cover. 
Still, i've seen some pretty good lunar eclipses in the past - an ... |
15-4-2014 at 21:08
by: Twospoons |
The π is a lie!
Also τ is used in electronics to denote the time constant of a circuit, and pi is used in v ... |
13-4-2014 at 22:08
by: Twospoons |
The π is a lie!
If you find a factor of 2 confusing, then maths is not for you.
One rationale for pi is that if y ... |
13-4-2014 at 20:16
by: Twospoons |
Health effects - Coal smoke
Its an open cast mine, so the fix is not that simple. |
6-3-2014 at 20:56
by: Twospoons |
Gas volume output VS temperature ?
PROPEP is usually used to analyse rocket propellants. You feed in the reactants, their proportions, ... |
10-10-2013 at 14:06
by: Twospoons |
HNO3 and HDPE issue
In my case the original HDPE nitric acid container developed a tiny leak on a seam. This may be a co ... |
1-9-2013 at 14:19
by: Twospoons |
DIY preparation of H2O2?
That's an interesting paper. If only they'd included a drawing of their aqueous electrode constructi ... |
21-8-2013 at 14:32
by: Twospoons |
Electromagnets!
[rquote=284181&tid=24226&author=12AX7] but good luck figuring that out without using FEA.
[ ... |
13-5-2013 at 20:01
by: Twospoons |
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