The diode is vertically mounted on the rails, and the servo motor moves in the x-axis direction. The source of laser radiation is an LED with a power of 1W and a wavelength of 405nm. The entire device has an external dimension of 16 x 14 x 19 cm. One of them is the lower tested NEJE DK-8 model. In essence, it's also made of napkin parts, but with all the necessary software and additional hardware. Recently, several generations of mini laser engravers appeared on the market. But I was deterred by hardware reprogramming. Already I wanted to build a laser engraving machine from old napkins. By computer control of this laser beam it is possible to engrave images or cut material. Laser is a source of monochrome light that, thanks to stimulated emission, concentrates high energy into a narrow beam. T est and review of diode laser NEJE DK-8
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