1 2 3 4 12 16 20 Key Button Membrane Switch 1×4 3×4 4×4 4×5 Keys Matrix Array Keyboard Keypad Control Panel DIY Kit For Arduino

Price range: 50.00৳  through 150.00৳ 

🧩 Matrix keypad with 1 to 20 keys—available in 1×4, 3×4, 4×4, and 4×5 layouts
🖱️ Soft-touch membrane switch for smooth and silent operation
🔌 Easy interface with Arduino, ESP32, and other microcontrollers
📐 Ultra-thin design with adhesive backing for quick mounting
🛠️ Ideal for DIY kits, control panels, and embedded projects
🎮 Supports matrix scanning for efficient key detection
🔋 Low power consumption—perfect for battery-powered builds
🧠 Great for hobbyists, students, and prototyping tasks
📦 Multiple key configurations to suit any application
💡 Durable and flexible—rated for millions of key presses
🌐 Widely used in robotics, automation, and keypad interfaces

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Description

Additional information
Variant

3×1 3 color

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1×6 matrix array

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4×5 matrix array

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1×4 matrix array

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3×4 matri array

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4×4 matrix array

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