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Tag Archives: battery

LED projector 6 lumens with RCA input

For some time I've been looking for a portable projector for my classes, exactly since Sheldon, the Big Bang Theory, used one of these on the show. I ended up taking courage and buying the shown in the figure below. Near ...

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Box for 9V battery with the ON/OFF key

In the field of electronics you always end up if faced with a simple question, but that needs to be evaluated well to maximize the efficiency and cost of your project: which will feed your power supply circuit? This is where one of the options, ...

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Headphone AKG K414P

Everyone who likes to listen to music on the bus or on trips deserve a good pair of headphones… Unless you listen to funk, in this case you can hear through the speaker of the phone even… just not! For a long time I have ...

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MP4 with 1.8 screen”

Another Chinese MP3/MP4 I bought just to test. It's nice. One of the problems of this type of MP4 can't play videos without converting. Kind of makes sense, considering the small screen and the low ...

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