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LEDs

DIY DVD laser

Literally in all science fiction films and books, the heroes used a laser to defeat the enemy. Laser beams flew out of their weapons, cut and incinerated everything around. But time has passed and the laser is firmly
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DIY custom-sized LED matrix

If you suddenly need an LED matrix of a non-standard size or shape, then you can always assemble it with your own hands. We will consider the manufacture of a matrix of ultraviolet diodes,
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We make a LED bulb at home

LED bulbs are very popular today. The growing popularity of these bulbs every day is related to the fact that they allow you to save considerable money on electricity costs.
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DIY products

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