Apple a monopoly? Letting Google become the monopoly? Once again Linux is forgotten in the scene and Linux community means nothing.
Stop taking profits as a reference, there's a world beyond your iPhone.
If there's a microcontroller on the project it could take the high voltage as OK and the drops as the "get your hands out of your face" signal. There's no need to put the buzzer right there, it could be in another output of that uC.
But I think this article's great deal is: "Should boredom be considered as a people's health risk?" I think it does.
It looks quite obvious that saccharin isn't good for plants, but it's good to have results of a simple experiment to demonstrate it.
Good work! Thanks a lot!
Wow. Analog ultimeters are hard rocks if you take some cautions when handling it. Starting from the highest range and going to a lower one if it's too big must be enough.
Mine one is a cheap 35 euros analog multimeter and it's working fine since the last 12 years.
Just be careful and pay special attention when handling electricity.
To loss the fear just experiment with some safety and take measurments. You can let plugged a new project during some hours to look if it makes nasty things or not.
Anyway, I really encourage you to doing DIY projects at home. Most of them work in low voltages between 5 and 3.3V, risks are close to nothing.
Didn't feel 120V, but 220V is a weird experience. It's not the spiky puncture of a car's spark plug, it's like a scary wave flowing through you. As cool as deadly. (Kids, don't try at home!)
Oiga! Yo le subo wifi, usted baje unas chelas fresquitas! :p
My bad! I was a bit drunk when posted that. I was talking about viewing the sine AC wave in the scope. Didn't try yet but I expect a funny smelly 'poof' and mainline fuses pop up. Probably my curiosity will finish blowing everything up just for confirmation. lol
You talk like you trust quite much in Digilent. I'll keep it in mind when looking for some instrumentation. Thanks a lot!
The safety! Safety is the most important part in my opinion.
I've bought a DSO138 DIY Oscilloscope Kit clone in eBay and I'm scared to connect it to 220V main line because I've not reliable information or safety warranties (It's a clone, not the DYE Tech certified one).