With mechanical keys: when a key is pressed, a switch is activated that sends a signal to the processor.
Advantages: speed, ease of use, individually replaceable keys in case one stops working.
Disadvantages: more expensive and noisier than membrane keyboards.
Membrane keyboards: are made of several layers of polyester. This type of keyboard has a visible layer (with decoration) and an invisible layer that includes circuits made from silver and/or...
desktop keyboard
SPC-7000
Key Features: 5″ TFT touch LCD Network cameras / SSM control User-friendly design and easy-to-use keypad 3 Axis joystick to control PTZ function Detachable joystick / jogshuttle for universe use (Right / Left hand ...
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