Waterproof Membrane Keypad Matrix – 1x4, 4x4, 4x5 Keypad Touch Button Switch
Waterproof Membrane Keypad Matrix – 1x4, 4x4, 4x5 Keypad Touch Button Switch
This Membrane Matrix Keypad Switch is a flexible, thin, and waterproof input device designed for seamless integration with Arduino, microcontrollers, and embedded systems. Available in 1x4, 4x4, and 4x5 key layouts, this keypad features durable, touch-sensitive buttons in a matrix array format, allowing for multiple inputs using minimal I/O pins.
Built with a sealed membrane layer, the keypad is dustproof and water-resistant, making it ideal for use in both indoor and light outdoor conditions. The backside features adhesive tape for quick mounting to flat surfaces, making it great for DIY control panels, security systems, calculators, and custom input devices.
Key Features:
Key Layouts Available:
1x4 – 4 buttons in a single row
4x4 – 16 buttons (standard numeric + function layout)
4x5 – 20 buttons (extended functionality)
Key Type: Touch-sensitive membrane buttons
Interface: Matrix (scanning required, compatible with keypad libraries)
Connector: 7-pin or 8-pin female header (depending on layout)
Operating Voltage: 3.3V to 5V – compatible with Arduino and similar boards
Durability: >1 million keystrokes per key
Mounting: Adhesive backing for quick and secure placement
Waterproof Rating: Splash-resistant membrane surface
Customize PCB
Customize PCB
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How to Request a PCB Layout/Design:
- Send your complete schematic or diagram via our Facebook page.
- We will assess your diagram and provide a quotation based on the complexity and requirements.
PCB Layout & Design Rules:
- All diagrams must be clear and properly labeled.
- Specify the desired board size, number of layers, and component types if applicable.
- Rush requests may incur additional charges.
- We do not accept hand-drawn or incomplete schematics.
- Files will be delivered in Gerber and/or PDF format as requested.
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Learn With CraftedTech Engineering
Learn With CraftedTech Engineering

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