3×4 Membrane Keypad
The 3×4 Membrane Keypad is a thin, flexible matrix keypad with 12 tactile buttons (0–9, *, #), ideal for adding user input to Arduino, Raspberry Pi, and other microcontroller projects.
Key Features:
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Layout: 3 rows × 4 columns
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12 keys: *0–9, , #
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Easy to interface using digital I/O pins
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Adhesive backing for easy mounting
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Durable and lightweight design
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Connector: 7-pin header
Applications:
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Security systems (keypad entry)
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Menu navigation for LCDs
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DIY electronics projects
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Arduino-based control systems
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