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4×4 16-Key Matrix Membrane Keypad Switch
4×4 16-Key Matrix Membrane Keypad Switch - Image 2
4×4 16-Key Matrix Membrane Keypad Switch - Image 3
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4×4 16-Key Matrix Membrane Keypad Switch - Image 5

4×4 16-Key Matrix Membrane Keypad Switch

$79.50 Original price was: $79.50.$69.00Current price is: $69.00.
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Slim 4×4 matrix membrane keypad (16 keys) for Arduino, ESP, and embedded projects—flexible, durable, and easy to interface.

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SKU: KEYPAD-4X4-16
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Description

The 4×4 16-Key Matrix Membrane Keypad Switch is a thin, flexible input device designed for numeric and function input in Arduino, ESP8266/ESP32, Raspberry Pi, and other embedded systems. It uses a matrix configuration (4 rows × 4 columns), requiring only 8 GPIO pins for full functionality.

With an adhesive backing, this keypad mounts easily on panels or enclosures. It’s ideal for password locks, access control, calculators, menu navigation, and DIY electronics projects.

Parameter Value
Keypad Type Membrane Matrix
Layout 4 × 4
Number of Keys 16
Interface Matrix (Rows & Columns)
Operating Voltage 3.3V – 5V
Connector 8-pin flat cable
Mounting Self-adhesive
Color Black / Gray (varies)

Additional information

Weight 10 oz
Dimensions 850 × 700 × 77 in

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