More about DIY (103)

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| Electronics hobbyists often wish to copy a circuit for which suitable coils or fixed inductors are not readily available. However, you can w...

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| Most commercial preamplifiers and power amplifiers have a headphones output. However, because of its simplicity the sonic quality of such an...

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| Building your own loudspeaker boxes using traditional drive units was once a popular pastime but now seems to have lost much of its appeal....

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| There are many advantages to connecting hardware via the Universal Serial Bus (USB), but there are also many obstacles to be overcome. In th...

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| The light barrier system described in this article allows accurate measurement of the absolute speed of model cars, planes and other moving...

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| A few months ago under this heading, we presented a number of Internet addresses for MP3 projects. Most of them are based on re-using hardwa...

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| It is fairly easy to produce professionally looking, permanent front panel foils (‘decals’) for use on electronic equipment if you have a PC...

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| Traditionally, an MP3 player requires a semiconductor memory to store MP3 data. MP3 players capable of reading data directly from a CD and w...

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| As a perfect complement to the articles in this month’s Supplement, this Electronics On-Line page is devoted to making your own music CDs...

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| Conductivity in the sense it is used in this article is the ability of a substance such as water to conduct electric current. It is exp...