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Thanks guys. I did some research and finally managed to get my head around how this all works. You'll be glad to know that I have successfully illuminated the LED, without burning it out in anyway. I'm surprised by how quickly it gets hot though, I think I will need to get some kind of...

My bulb is obscure and I don't really want to waste time and money on that and it's controller now they have both gone. Maybe another time, but right now I want to be able to use my microscope. So I ordered a '3W' LED, rated at 150 lm, 0.7A, 3.6V voltage drop. As a basic part I believe it...

Molten drip isn't rust, if you can see it up close. I wish it was. And remember there was a strong smell of burning plastic... The supply might have survived but I don't hold out much hope. I was curious about the dangers of excess voltage vs. excess current though. I always thought current was...

That's because it is a line transformer :lol: It's just something I came across to give an idea of what kind of lump I was talking about. I said without the writing because I wanted you to ignore it and not be lead into thinking I have a line transformer. Or maybe I do, I don't know what a...

Haha, thanks I came across this fantastic product shortly after learning about magic smoke. Unfortunately my multimeter is broken so I am currently unable to test. I did consider a shaving socket, but unfortunately I don't have a 110V one here. I will try and borrow a multimeter. Inside it...

Think I may have released the magic smoke :(

Hi DIYnot, I've got a new problem I thought you may be able to help me with. I recently bought an old (~'70s?) microscope from the USA and after eagerly awaiting it's arrival it finally arrived today. By chance I had a universal adaptor upstairs and waisted no time plugging it in. Upon flicking...

I wired it up and it runs, just extremely slowly. I guess that it's just knackered. Any last suggestions before I bin it? And you appear to be right about the switches. x = lights, 0-3 = speed. I read that most cooker hoods are double insulated and don't need earths so I didn't earth if...

Thanks for the word of caution and all your advice, seems like a good forum :)

I plan to construct a simple extraction hood myself for use in my garage workshop. Just so I can feel comfortable using light solvents and the such indoors. Nothing too toxic. Certainly I'm prepared to chuck the fan away if it fails, but as a freebie that is just what I am looking for I thought...

Hi there DIYnot :) I was recently given a second hand extractor fan from a cooker hood and I want to wire it up. It didn't come with any paperwork or diagrams so I was hoping someone would be able to help me work out how to go about this. The fan's model number is CH60SS, here it is on a...