touch screen monitor vga serial

touch screen monitor vga serial.Four-wire resistive technology is a close contact with the display screen glass base layer , FIG. 1 ??of infrared touch screen technology is coated with a thin layer of the outer transparent indium InO, as resistance layer , in the horizontal direction plus 5V to 0V DC working voltage , A uniform and continuous voltage distribution is formed . The conductive layer is covered with a protective layer whose outer surface is scratch-resistant and hardened, and the inner surface is also coated with the same oxide metal layer . The vertical direction is also applied with a continuous DC distribution of 5V to 0V . Voltage . The two resistance layers are separated by many transparent insulation isolation points about one thousandth of an inch ( as shown in Figure 2). When the screen is touched , one of the two resistance layers is connected at the contact position , and the analog voltage Analog-to-digital (AD) conversion , the controller can calculate the x and y coordinates of the contact . Because the outer resistance coating of the four-wire resistive touch screen is frequently pressed ,It is easy to cause cracks and change the uneven voltage distribution of the coating, resulting in the inaccurate calculation of the contact position and the shortcomings of scrapping , and the five-wire resistance technology is created .

Touch Screen

IQTouch TB800 Interactive Display

touch screen monitor vga serial.IQTouch TB800 series is designed to make your meeting more effective. With interactive 20-point touch and built-in wireless screen mirroring software for content sharing, IQTouch TB800 series is helpful for facilitating presentations, brainstorming, and decision-making. All you need in a meeting are seamlessly integrated into the interactive display, just walk in and get your meeting started.

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IQTouch TB800 Interactive Display


Choose the right size for your collaborative space with displays in 65’’,75’’ and 86’’.

Diverse Connectivity

Connect with a variety of I/O ports, including 4 HDMI ports and a VGA port etc.

Go Wireless

Built-in Eshare software app lets you connect your own device and cast up to 4 screens at once.

Win / iOS/ Android

No matter what device you use, iOS, Windows, or Android, it will be compatible with IQTouch TE800


Instant digital discussion board and on-screen annotation tool. Never let a single idea slip away.

Slim Frame Design

The thin and lightweight panel is designed for easy and hassle-free installation.

Interact with the whole group

IQTouch TE800 series supports up to 20 points of touch, allowing multiple users to interact at the same time. With smooth and responsive touch, anyone can take notes, write and draw on the screen, making the classroom a truly collaborative space.

Interaction made easy with dual O.S.

With a lightweight slim frame design, Windows system and built-in Android 8.0 system support and embedded tools, IQTouch TE800 series brings efficiency to your classes and teams so you can interact with ease, anytime.

Intelligent Touch

IQTouch TE800 series supports touch recognition that can differentiate your finger, and palm, then react as a pen, or eraser.

Share your screen and files wirelessly

Don’t waste precious time plugging and unplugging cables. Cast your screen wirelessly to share your work or start a presentation, all with the built-in Eshare software.

Clear and robust images in all sizes

IQTouch TB800 series displays come in stunning 4K UHD resolution. With sizes up to 86’’, capture everyone’s attention with brilliant images, videos, and presentations.


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