Diagram of a COM mouse with a wheel. Scheme, description

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ENCYCLOPEDIA OF RADIO ELECTRONICS AND ELECTRICAL ENGINEERING
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Diagram of a COM mouse with a wheel. Encyclopedia of radio electronics and electrical engineering

Free technical library

Encyclopedia of radio electronics and electrical engineering / Computers

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Below is a diagram of an ordinary (ball) COM mouse. These mice, although outdated, are still in use.

(click to enlarge)

Publication: cxem.net

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Ultrasonic kitchen knife 31.10.2023

A unique culinary knife was presented in the Czech Republic, becoming the first in the world with ultrasonic technology and wireless charging function. This advanced gadget promises to be a replacement for almost all types of regular kitchen knives.

The knife blade vibrates at an amazing frequency of 50 times per second, making cutting food easy and as efficient as possible. Ultrasonic vibrations created by the gadget's system prevent food from sticking to the blade, ensuring perfect cutting.

Ultrasonic technology easily copes with slicing fragile and crumbly products. Another advantage of the ultrasonic knife is minimal loss of fluid, which helps preserve vitamins and nutrients.

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The cost of a new knife is $348.

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