₹79.00Original price was: ₹79.00.₹49.00Current price is: ₹49.00. GST
The 4×4 Matrix Membrane Keypad is a compact input device with 16 push buttons arranged in a 4×4 matrix, commonly used for password entry, menu navigation, and Arduino projects.
The 4×4 Matrix Membrane Keypad contains 16 keys arranged in 4 rows and 4 columns. Instead of using 16 separate wires, the keypad uses a matrix scanning method, requiring only 8 microcontroller pins for operation.
The keypad is made from a thin flexible membrane material with an adhesive backing for easy mounting. It is widely compatible with boards like Arduino Uno R3, ESP32, STM32, and Raspberry Pi.
Common applications:
Password systems
Door lock systems
Calculator projects
Menu navigation
Embedded system input
Key Features
16-button keypad layout
4×4 matrix design
Requires only 8 GPIO pins
Adhesive backing for mounting
Lightweight and flexible
Easy interfacing with Arduino and ESP boards
Technical Specifications
Parameter
Value
Key Layout
4×4 Matrix
Total Keys
16
Interface
8-pin ribbon cable
Type
Membrane keypad
Mounting
Adhesive back
Pin Configuration
Pin
Function
1–4
Rows
5–8
Columns
What’s in the Box
1 × 4×4 Matrix Membrane Keypad
Ideal For
Password entry systems
Arduino projects
Calculator projects
Security systems
DIY electronics ⌨️
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