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Interesting Items...

af123 said:
I've been using VNC to connect to my Rasperry Pi since I got one...
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I found a use for VNC to my PC! I installed a client on my iPad to try remote-control of the PC, but it's too clunky to do anything worthwhile from the laziness of the sofa. However, my printer is in another room from the PC connected by WiFi, and I am forever walking between the two on a print run - flipping pages for double sided print etc, back to the PC to click 'OK'...

With the iPad and VNC client I can click 'OK' while standing at the printer! Great. :)
 
I too have recently found the delights of VNC. (RealVNC). I have installed Wakelan OPKG on my QNAP NAS and can now use WOL to remotely turn my PC on. I have set a VPN to my NAS so I SSH into that and execute the WOL. As a Brucie Bonus, I can also access the WebIF on my HDRs. It kinda spooks the heck out of SWMBO when I am at work and pause live TV!
 
According to an article in the 17th June 2015 issue of Electronics Weekly, there are plans to increase the power handling capability of the electricity supply cables to our houses (to meet the increasing demand, instead of the gigantic task of replacing them) by raising the supply voltage to 400V (within the 600V specification for the current cables).

This is achieved by replacing the transformers at the supply side, and then on the consumer side it is returned to 240V for the domestic supply using a chopper circuit in an AC equivalent of a switch-mode buck converter, using silicon carbide semiconductors.

Ye Gods!
 
He's rather pessimistic (about the utility of a tester screwdriver)! Obviously in the wrong hands...

People like that shouldn't be allowed near a Tesla coil.
 
The idea of an electronics step-down from supply to domestic is worrying. What if the damn thing fails 'closed'? There would have to be a fail-safe interrupter circuit downstream.
 
Black Hole said:
He's rather pessimistic (about the utility of a tester screwdriver)!
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I was rather impressed by that German tester though.
Trev said:
I particularly liked his cardboard safety cage in the battery charge/discharge clip.
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Yes, very amusing. I wonder what precautions he had from the camera's PoV against the thing exploding and spraying H2SO4 everywhere.
I did like his backup power solution though. Would like that in my house.
Black Hole said:
The idea of an electronics step-down from supply to domestic is worrying. What if the damn thing fails 'closed'? There would have to be a fail-safe interrupter circuit downstream.
Click to expand...
How would this system ever get installed though? You'd have to change the transformer at the substation and install these things in all the properties that it feeds simultaneously. Unless it's clever enough to adapt to its input and produce the correct output regardless - then you could phase it (ahem!).
 
According to the Anglian advert, uninsulated houses can lose "20% per year" of their domestic energy. :rolleyes:

Presumably after 5 years there's none left.
 
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