Mini Electronic

Can anyone suggest a good website for mini electronic projects with circuit diagram?
If possible a little explanation is also needed about that project.
There are many websites. But i am listing a few of them who are to my knowledge the best. They are as follows:
1) howstuffworks.com.
2)electronicsforu.com
3)efy.com
Mini Electronic Cigarette – E Cigarettes
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Empire Invert Mini Electronic Paintball Marker Gun Dust Black – 876 $325.95 |
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Invert Mini Electronic Paintball Marker Gun Olive Black – 5001 $325.95 |
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Invert Mini Electronic Paintball Marker Gun Olive Black – 5001 $325.95 |
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Empire Invert Mini Electronic Paintball Marker Gun Dust Black – 876 $325.95 |
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Invert Mini Paintball Electronic Gun Olive Black + Oil $325.95 |
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Invert Mini Paintball Electronic Gun Dust Black + Oil $325.99 |