Knowledge

Rolling ball mouse: The rubber ball is driven to the grating wheel with light-emitting diodes and phototransistor wafer pulse signal sensor.

The keys on the membrane keyboard use different colors to indicate the position, shape and size of the key body

Industrial field: widely used in intelligent electronic measuring instruments, computer control, digital machine tools

Tap the keyboard. Turn off the computer and remove the keyboard from the host. Put a newspaper on the table

​There are many factors that cause the keyboard not to be searched when booting up, such as weak connection, damaged keyboard interface

Keyboard key failure, this phenomenon is generally because of the circuit board or conductive plastic dirt, so that the two can not be connected norma

The so-called laser etching is the use of laser engraving technology to burn black grooves on the keycaps.

As the input device with the most daily contact, feel is undoubtedly the most important. The feel is mainly determined by the strength of the keys and

In addition to the basic positioning and control of the cursor, the use of the left and right buttons and the scroll wheel

It can be said that the hand feel is ranked first or the first few among the requirements of most users for the mouse.

According to the game type: the main game mouse can be divided into FPS mouse, RTS mouse, MMO mouse, HE mouse.

Some keyboards designed for game software, compared with other keyboards that can press 2~4 keys at the same time, they can press up to 7 keys at the