Archives For Hobby Projects

Its time to make your clock  glow and attractive in night mode even in day mode. Here is the project to make glow the clock using Electroluminescent wire (also called as EL wire). Before starting up the project come lets know something about EL wire.

Electroluminescent wire (often abbreviated to EL wire) is a thin copper wire coated in a phosphor which glows when an alternating current is applied to it. It can be used in a wide variety of applications- vehicle and/or structure decoration, safety and emergency lighting, toys, clothing etc – Continue Reading…

It’s 87 degrees and scorching outside, you desperately want a Slurpee, but the nearest 7-11establishment is about about 5 blocks down. You could go out for a walk, but the heat is so intense you don’t think you can make it there and back. You might be able to take a drive, but- wait a minute- car’s impounded. So what do you do- risk burning to a crisp for a delicious drink, or struggle through this insane weather, Slurpeeless? Continue Reading…

Now you can charge your Mobile Phone from the USB outlet of PC
This simple circuit can give regulated 4.7 volts for charging a mobile phone. USB outlet can give 5 volts DC at 100mA current which is sufficient for the slow charging of mobile phones. Most of the Mobile Phone batteries are rated 3.6 volts at 1000 to 1300 mAh. These battery packs have 3 NiMh or Lithium cells having 1.2 volt rating. Usually the battery pack requires 4.5 volts at 300-500 mA current for fast charging.
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