3×4 Matrix Membrane Keypad
ELECTRONIC COMPONENTS
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Description
**3×4 Matrix Membrane Keypad** A compact 3×4 matrix membrane keypad featuring 12 tactile keys (0–9, *, #) for user input in embedded systems. It uses a row-and-column matrix interface with a flexible ribbon cable, making it ideal for password entry, access control, calculators, and DIY electronics projects.
