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Showing posts from May, 2014

How To Make Very Cheap LED Bulbs At Home

LED bulbs are very popular now as it saves much energy than CFL bulbs.But LED bulbs are more expensive than CFL bulbs.But with a little knowledge on electronics anyone can make a LED bulb at home.This may cost about 5$. Things you will need #1. Sockets from a CFL bulb to protect all the electronics #2. Electronic parts for the circuit (The details part numbers are given below of this post) #3. 50nos of 5mm LED bulbs #4. Small piece of dot board or vero board #5 .A soldering iron and soldering wire #6 .Some wire #7.A drill or a tool for drilling #8 .Some small screws (Optional) #9. A hot gun or a very sticky glue #10 .2-3 hours of time 1st Step Take your dot board and cut it into small stripes.About  1cm * 7cm.The dot board is recommended in here as it can properly hold the LEDs.But you can also use anything you want which can hold the LEDs when soldiered. Here for the 50 LED bulb 7 stripes are used ,5 LEDs per stripe and 15 LEDs for the bottom).You can d

How To Record Your Screen PC with Sound

The screen recording has many purposes.Some people do it for their youtube channel,some people make their self learning videos also.For recording screen the best freeware is to use is Cam Studio. It is the best opensource software to record your screen.It supports AVI and SWF formats.It has options to highlight the cursor,automatic pan and record with sound.You can also add screen annotations while recording.  You can download Cam Studio by visiting  http://camstudio.org/ Start Recording Once you have set up for the recording click on the big red button at the bottom of the left side. To stop the recording Click on the Blue Stop button. Selecting Specified Areas For Recording In the menu bar Select Region and Region again for selecting a rectangular area before recording.You can draw the rectangular area and select it after you click the record button.If you choose Fixed Region you can select a fixed area for recording.(The region area could be moved)Give desire