The function of automatic drilling of printed circuit controlled by a microcontroller R. look perfect. Using a printed circuit which measures 20x40 mm square. There are a number of holes 16 holes, using the running speed of around 100 percent, and take the time to drill approximately 1.25 minutes, and with high accuracy. Part in the drill by hand. Time to break about 4:12 minutes in the case of the drill by hand is fast or not, it depends on the expertise of those who bore it.
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