The LCD touch screen has gradually replaced the keyboard and become a commonly used human-computer interaction tool for embedded systems due to its advantages of lightness, small footprint, convenience and flexibility. Touch screens can be divided into five categories according to their technical principles: vector pressure sensing, resistive, capacitive, infrared, and surface acoustic wave. Among them, resistive touch screens are used more in embedded systems.
With the increasing number of multimedia information inquiries, people talk about touch screens more and more, because touch screens are not only suitable for the national conditions of multimedia information inquiry in China, but also have many advantages such as sturdiness and durability, fast response, space saving, and easy communication. Using this technology, the user can operate the host by lightly touching the icons or characters on the computer display screen with his finger, which makes the human-computer interaction more straightforward. This technology greatly facilitates those who do not understand computer operation. user. As a newest computer input device, touch screen is the most simple, convenient and natural way of human-computer interaction. It gives multimedia a new look and is a very attractive new multimedia interactive device. The application range of touch screen in my country is very wide, mainly for public information query; such as business query of telecommunications bureau, tax bureau, bank, electric power and other departments; information query on urban streets; in addition, it is used in leading office, industrial control, military command, Video games, ordering songs and dishes, multimedia teaching, real estate pre-sale, etc. In the future, the touch screen will also enter the family.
The image quality of these products may vary depending on one type of LCD module. For example, color TFT LCD modules have photo-quality images. You can find these displays in TVs, smartphone screens, appliances with touchscreen components, and more. However, character LCDs are generally of much lower image quality and can be used for test equipment, certain types of office machines, etc. Monochrome LCDs, on the other hand, have a grayscale or monochrome interface and can be used for video and still images.
Whether you are in the market for a single LCD monitor, for a specific office use, or need to buy this product in bulk for manufacturing or other related purposes, the cost of the product matters. Different types of modules are available at different prices. While cost is the primary consideration, choosing the type of screen that meets your needs in the first place is more critical. If you do need to order in bulk, such as manufacturing, consider factors such as shipping and delivery time and cost.
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