While many water-resistant touch solutions are available on the market, they often fail in rain or flowing water, leading to poor sensitivity, inaccurate recognition, or false touches. To address these pain points, AMT introduces the Aqua Switch Water-Resistant PCAP Touch Button, which ensures sensitive and stable operation—even when the button surface is covered with flowing water!

Product Features

The Aqua Switch water-resistant touch button is specially designed for wet environments and offers the following advantages:

• Self-capacitance sensing technology
• Light-touch activation for improved user convenience
• Supports sliding operations for page flipping or setting changes
• Can be combined with LED lights or buzzers to provide intuitive visual and audio feedback

Product Specifications

• Supports up to 14 keys and GPIO combinations, allowing flexible configuration
• Compatible with cover glass thicknesses up to ≤ 4.0 mm
• Wide-temperature design: operating temperature -40°C ~ 85°C, ensuring high weather resistance
• Passed IPX5 water-resistance test (12.5 L/min)

Aqua Switch Controller Board

• Controller Board Part No.: PenMount PM1651
• Interface: I²C / UART
• Passed IEC 61000 testing; meets automotive standard AEC-Q100 requirements
• Supports IC-on-Board design

Design Reference

Aqua Switch can be integrated into the border of a non-touch cover glass or into the frame of a touch panel. We also provide customized designs according to your project needs.

For example, many smart bus stop signs use ePaper displays without touch functionality. By integrating Aqua Switch into the frame of the ePaper display, users can easily operate the system even in rainy weather—for actions such as page turning or adjusting brightness—greatly improving user experience.

Product Applications

• Outdoor environments
• ePaper bus stop signs
• EV charging stations
• Car wash facilities
• Medical devices
• Food processing plants
• Ticketing kiosks
• Parking payment machines
• Others

Get in Touch

The Aqua Switch PCAP Touch Button delivers stable and accurate operation—even in the presence of water.
Contact us today to get the most suitable water-resistant touch button solution for your project. We will provide reliable design recommendations and customized services tailored to your needs!