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I have an Arduino Mega 2560 (Android compatible), Programmable Micro-controller thing for those wondering. I've been trying to get it to work with a Bluetooth Shield but it's not been playing game. I'm wondering if anyone has had any experience and know that it can be a difficult task to work...

Thanks for the tip, will do! PMT has its own casing which I decided to keep unit in, capacitors and all!

Ah, my mistake. My thought was this Internet of Things was a sub-forum of EE Engineering and that each forum had their separate IoT.

I want to use the semi-transparent properties of an OLED screen however I want the screen to mould around a visor. The shape wouldn't be a 2D shape/surface so I think require special manufacturing. My thoughts are it would be best just to create the dimensions that I want the screen and contact...

Thanks all! That's pretty awesome! I'm glad I kept this part whole! I might be able to re-wire it and put it somehow back to use again as a spectrometer. Could be an interesting component to supplement the the rebuilding of the microscope!

Google did and wiki did provide some answers, though I still felt it was a bit unclear. As I can gather, in ye days of Analogue, this device gathered photons in a sort of echo chamber which focused the light onto a sensor and converted the electric field into magnetic/electrons which then could...

How well do you know Maxwell's Equations? If you can figure them out, they can answer your question!

I suppose the first question you might ask is what is the Field Strengths of the two individual devices? Can you use Maxwell's Equations to work out individually what the Magnetic Field strength is for both individually?

♫ What is it good for? ♫ I have been taking apart an old microscope and one of the components inside it was a strange vacuum tube device. My inclinations was that it was some manner of Spectroscope or Camera, maybe both but I'm not sure. My supervisor suggested that it might be a...

IRstuff, I like your thinking!

I was kind of hoping there was going to be a standard. I think you might be right IRstuff and opposed to being propietary, it most likely was lab built/thrown together...

O rly? =p For two reasons for choosing 11kV over 22kV, one is that protection systems would be cheaper and smaller. The other is power correction of an 11kV system would require smaller devices as well. May not seem like much on a small network but on a larger distribution scale, the savings...

Lemo does appear to have close matches! Though the connectors they show don't have the half circle shield on the inside. Could be a feature removed from the design though... If it is a removed feature then I may have to crack the camera on and have a look-ee inside. Camera has no serial number...

I am working with quite an old Lab Microscope Camera. It has some connectors as shown below. Searching for derivatives of "4 pin connector" appears to only bring up Din type connections. The male connection has 4 pins with a half circle around 2 of them, which fits snugly with the half circle...