Hello everyone, today I will share with you how to distinguish between a four-wire resistive touch screen and a five-wire resistive touch screen, the four-wire and the five-wire seem to be not much different, but I think the resistive touch screen has crossed a new height at this point.
First of all, let's talk about the four-wire resistive touch screen is a simple and common touch screen technology, which consists of four resistance sensor wires, namely X+, X-, Y+ and Y-. It locates the touch position by measuring different resistance values and usually only supports a single touch.
Whereas, a five-wire resistive touch screen is a more advanced touch screen technology that has a ground wire (GND) in addition to four sensor wires (X+, X-, Y+, and Y-). It accurately calculates the touch position by measuring the distribution of current across the touch panel and supports multi-touch.
Of course, whether it's a five-wire resistive touchscreen or a four-wire resistive touchscreen, calibration is usually required to ensure accurate touch positioning.
Calibration is usually done via software tools or system settings. During calibration, the screen displays a series of calibration points (usually several fixed locations) at which the user is instructed to tap the screen so that the system can collect touch data and calculate accurate calibration parameters.
So how do we determine whether the fourth line or the fifth line is:
To determine whether a touch screen is a four-wire resistive touch screen or a five-wire resistive touch screen, the following methods can be taken:
1. Observation wiring: Check the connection wire of the touch screen, the four-wire resistive touch screen usually has only four wires, while the five-wire resistive touch screen has five wires (four sensor wires and one grounding wire).
Four-wire resistive touch screen
2. Check product specifications: Find relevant information in the product manual or on the manufacturer's website, and it will usually be clearly indicated whether it is a four-wire resistive touch screen or a five-wire resistive touch screen.
3. Consult the manufacturer or seller: contact the manufacturer or seller of the touch screen directly and ask about the specific type of touch screen.
4. Touch test, to determine that the purchase is a touch screen, only a single touch is a four-wire resistance touch screen, and a five-wire resistance touch screen can support multi-touch.
There are the following differences between the four-wire resistive touch screen and the five-wire resistive touch screen in terms of use:
Accuracy: Five-wire resistive touch screens are generally more accurate than four-wire resistive touch screens and are able to provide more accurate touch positioning.
Multi-touch: The five-wire resistive touch screen can realize multi-touch, that is, recognize and process multiple touch points at the same time. Four-wire resistive touch screens can generally only recognize single touches.
Anti-interference performance: Since the five-wire resistive touch screen uses a grounding wire, it is usually better than the four-wire resistive touch screen in terms of anti-interference performance.
In short, if you need higher touch accuracy, multi-touch function and anti-interference performance, it will be more suitable to choose a five-wire resistive touch screen, of course, the price will be relatively more expensive.
However, if you don't have high requirements for precision and multi-touch capabilities, or if you have a limited budget, a four-wire resistive touch screen can still meet the general touch needs.
That's all for today's sharing, like my sharing, you can like and support, thank you very much!