Here is a technical analysis on choosing between 4-wire and 5-wire resistive touchscreens for different applications.

Touch screens have numerous outdoor applications, such as beverage vending machines, electric vehicle charging piles, and so on

Choosing a high and low temperature resistant touch screen for outdoor equipment is a systematic project. The core lies in selecting wide-temperature PCAP technology (the key is the controller IC), matching with a wide-temperature LCD module (heating if necessary), and adopting full lamination technology and high-strength cover glass. Finally, authoritative third-party environmental test reports must be used as a guarantee for reliability. Only through such a comprehensive technical consideration can the touch screen be ensured to operate stably for a long time in harsh outdoor environments.