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A blog brought to you by Jaavin Electronic Solution about electronics and the latest trends in the electronic industry.

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From Megapixel to Gigapixel

Posted by Aravin on June 25, 2012 at 1:55 AM Comments comments (0)

While the common digital camera nowadays ranges from 10~50 Megapixels... here comes the Gigapixel camera that will capture each and every spectators of a full size stadium in full detail.

Read more here: http://www.stuff.co.nz/technology/gadgets/7165667/Behold-the-gigapixel-camera


Image source: http://www.photographyblog.com


Is It Possible To Transfer Electricity Without Wire?

Posted by Aravin on May 28, 2012 at 9:25 AM Comments comments (5)

This entry is inspired by the following video I came across in YouTube. It gives an insight on wireless power transfer. It’s called WiTricity (Wireless Electricity)

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In 1895, when Guglielmo Marconi  the father of radio transmission claimed that he can transmit signal over the air without any wire, he was labelled as insane.

In the 60’s we can only imagine cell phones as fictional gadget in Star Trek apart from the automatic doors. However in the 90’s when cellular technology emerged the ‘wire’ is again removed from the phone.


Time and time again it is proven that technology is only limited by our imagination. So to the question is it possible we can power devices wirelessly? It is just a matter of time.

Here is another video showing a real demo on WiTricity.

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So how much is my kettle contributing to my electricity bill?

Posted by Aravin on May 27, 2012 at 3:20 AM Comments comments (0)

I know some of you may wonder how much electricity bill you are paying for a particular appliance.

Here how it is done,

To calculate the cost, we need this information:

1.      Power (Watts, W) consumption of the appliance – Usually it will be stated at the back label or in the user manual.

2.      Hours used per month (Hr) - Just add the number of hours used each month.

3.      Electricity rate – For TNB, it is RM0.218 per kilowatthour (kWH) for the first 400 units.


Say for an example, I want to know my kettle’s consumption in RM monthly.  I take my kettle and read its back label.  I take it as 2000W average. So the power in kW is 2000/1000= 2kW


I use the kettle twice daily and each time it takes 5 minutes to boil.  Therefore for the whole month it is 10min x 30 = 300 minutes. 300 minutes is equal to 5 hours

So the kilowatt hour for my kettle usage is 2kW x 5 hour = 10kWH

Therefore the cost for using the kettle is 10kWH x RM0.218 = RM2.18 per month

Now do this for the other electrical appliances and get to know the culprit that causes your high electricity bill :)

You can find out the typical consumption of common household appliances here: http://visualization.geblogs.com/visualization/appliances/


 

The Truth About LED TV

Posted by Aravin on May 27, 2012 at 3:15 AM Comments comments (0)

What is the difference between LED TV and LCD TV?



You may think LED TV is using LED to produce images? WRONG!

While LCD TV is using LCD to produce images, this is not the same with LED TV. Actually LED TV is nothing but an LCD TV with LED backlight. The previous LCD TVs were using fluorescent tubes for backlighting. The current LCD TVs are using LED as the backlighting. The confusion is caused by marketing gimmick, instead of calling it LCD TV with LED backlight, they call it as LED TV as if the LED is used to produce the image content!

OK, doesn't mean it is no good :) LCD TV with LED backlighting has lower power consumption, mercury free, balance colour saturation and slimmer.

 

You can read more about it here:http://hometheater.about.com/od/televisions/qt/ledlcdtvfacts.htm

 

Also here: http://indiumsamplesblog.com/wp-linked-files/what-is-an-led-tv.pdf



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