The general principle of touch click on electronic whiteboard is to recognize recognizable operations such as gestures and operating pens as corresponding mouse click operations and feed them back to the computer. However, according to the different interactive induction technologies, there are electromagnetic induction, pressure induction, infrared induction, optical induction, ultrasonic wave and other technologies on the market. The induction technology at this level is that the electronic whiteboard has different acquisition methods for the input electronic whiteboard operation.
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Located in Qingyuan, Guangdong Province, this Millennium Yao Village was founded in the Song Dynasty and has a history of 1000 years. It is the largest and oldest Yao vill