Here’s a cool project that you can control your LCD with ethernet.

The simple “switch on/off a relay” circuit which was the only function provided by the avr web server until now did not require HTML-forms. I used simply 2 URLs http://baseurl/password/1 for switching on and http://baseurl/password/0 for switching off. This does not work anymore for the display as we want to type a text into a web page which should then be shown on the display. What is needed is a needed is a proper decoding of HTML form data.

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Check out voltmeter and ammeter LCD panel you can make using an Atmel8 MCU. Tight!

This multimeter was designed to measure output voltage and current in a PSU, where the current sense shunt resistor is connected in series with load at the negative voltage rail. It needs only one supply voltage that can be acquired from main PSU. An additional function of the multimeter is that it can control (switch on and off) an electric fan used to cool the main heatsink. The power threshold at which the fan switches on can be adjusted using One Touch Button Setup.

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Make a floppy disk bag with your old floppy disk drives. It probably would be the geekiest bag ever!

This is a bag I made from floppy disks. I found scads of floppy disks in a dumpster and wanted to make plate mail armor out of it (that is my next floppy project) I found out that a bag would be a great proof of concept project. Here goes..

via instructables

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Will this work? Leave your thoughts.

This articles been around for awhile now but it shows you how easy it is for hackers to “phish” your T-mobile passwords. Just be aware next time you are in the airport!

Wireless hotspots are everywhere. With T-Mobile, Concourse, Wayport, etc., a mobile user can obtain connectivity quickly and easily in a wide variety of public locations. Some of these hotspots are free and some of them require a fee or subscription. Either way, you will continue to see how being in a public Wi-Fi hotspot poses the greatest security risk you will find.

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This is an extreme technological breakthrough for robotic arms. You can see that the monkey feeds himself some bananas, which is all too awesome to watch. Perhaps this can eventually be applied to humans for people who have lost their arms or legs.

via randomgoodstuff

Here’s a giant LED display that covers the Galleria Mall in Seoul. Nice way to advertise…

via nanigga777

Holy crap, this is some tight tesla coil action!

The 6 inch coil has performed better than expected with sparks reaching 8 feet (0.5 million volts). The photo above shows 7 foot sparks to the closest point of the ladder. This is with a large topload and a tank capacitance of 92 nF (0.092 uF) at a power in excess of 5 kVA. A lot of smoke comes from my spark gap at runs of over 5-10 seconds at the highest powers. I suspect it is metal oxide from the tungsten stationary electrodes and the brass dome nuts and steel bolt heads that form the rotary electrodes. There was no sign of any polycarbonate frame or Tufnol wheel overheating. Despite the leaf blower cooling, the tungsten rods become hot enough to have a visible glow though the yellow polypropylene box after turn off. The 8 foot (96 inch) spark is exactly 3 times as long as the 32 inch secondary coil that generates it.

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Check out this cool laser graffiti!

Defense contractors say that within the next 10 years they’ll have a solid state laser mounted on a Hummer that can put a hole in a sheet of metal from several miles away. Well Dutch graffiti writers can pretty much do that now with this Hymermobil-mounted L.A.S.E.R. Tagging system dope off the assembly line at the Graffiti Research Lab

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Here’s a cool hack for extracting Lithium out of your Lithium battery for those of you scientists who need some Lithium fast!

First you must obtain some dead lithium batteries. This shouldn’t be too hard, as most people will readily give them away when they no longer produce a sufficient current. Fresh ones will work too, but it’s rather wasteful.

Note that this will only work with plain lithium batteries, not lithium ion. The rechargeable lithium ion cells do not contain the pure metal, but rather a lithium salt.

If you happen to be using double batteries like me, you must break them apart. Simply use a pliers and pry off the spot welded conductor. Those with a keen eye might notice how they are connected in parallel rather than series. This is because the lithium cell produces 3 volts, twice that of alkalines.