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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PCB Layout & Design Services
We provide professional PCB layout and design services for electronics projects, prototypes, and small to medium production needs. Our goal is to deliver accurate, manufacturable, and well-documented PCB designs tailored to your specific requirements.
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.
Special Offer for New Customers!!
New customers receive a special introductory discount on their first PCB layout/design project.
This allows us to review your design requirements and build a long-term working relationship.
How to Request a PCB Layout / Design
- Send your complete schematic or diagram via our Facebook page.
- Our team will review your diagram carefully to understand the design scope and requirements.
- A detailed quotation will be provided based on:
-
- Design complexity
- Board size and number of layers
- Components and package types
- Special routing or manufacturing requirements
📌 Providing your diagram is essential so we can give you an accurate and fair quotation.
PCB Layout & Design Requirements
To ensure quality and accuracy, please note the following:
- All schematics must be clear, complete, and properly labeled
- Specify:
- Board dimensions (if available)
- Number of PCB layers
- Preferred components or footprints (if any)
- Hand-drawn, unclear, or incomplete schematics are not accepted
- Rush or urgent requests may incur additional charges
What’s Included in the Design Package
Each completed project includes the following deliverables:
✅ 2D PCB layout images
✅ 3D PCB render images
✅ PCB Gerber files (ready for fabrication)
✅ Bill of Materials (BOM)
✅ Component Placement List (CPL / Pick-and-Place file)
✅ Wiring diagram (PDF)
✅ PCB board layout (PDF)
All files are prepared to be manufacturer-ready and easy to review.
Pricing Information
Pricing is project-based and depends on:
- The submitted schematic or diagram
- Board size and layer count
- Types of components used (SMD, through-hole, fine-pitch, BGA, etc.)
- Design complexity and routing difficulty
📌 Final pricing is confirmed only after reviewing the client’s diagram.
Design Review & Approval Process
Before final delivery:
- The client will receive preview files for checking
- Please review carefully for:
- Errors
- Missing information
- Clarifications or revisions
- Once the design is confirmed and approved, the final files will be sent to the client’s email
⚠️ After final approval, any major changes may be treated as a new request.
Payment Methods
Philippines (Local Clients):
- GCash
- Bank Transfer
International Clients:
- PayPal
📌 Design work starts after payment confirmation unless otherwise agreed.
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Learn With CraftedTech Engineering
Learn With CraftedTech Engineering

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