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MAJESTRONICZ

1x4 Matrix Membrane Keypad 4 Key Button Switch | 4x1 Numeric Keypad for Arduino, ESP32, Raspberry Pi & DIY Electronics

1x4 Matrix Membrane Keypad 4 Key Button Switch | 4x1 Numeric Keypad for Arduino, ESP32, Raspberry Pi & DIY Electronics

Regular price Rs. 59.00
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The 1x4 Matrix Keypad is a compact 4-button membrane keypad designed for user input applications in electronic projects, embedded systems, and microcontroller-based applications. It features four tactile keys arranged in a single row matrix configuration, providing a simple and reliable interface for entering commands, numbers, or control signals.

Specifications

Parameter Specification
Product Type 1x4 Matrix Membrane Keypad
Key Configuration 4 Keys (1 Row × 4 Columns)
Number of Buttons 4 Buttons
Interface Type Matrix Keypad
Connector Type Flexible Tail / Pin Header (Based on Model)
Operating Voltage 3.3V – 5V DC
Contact Resistance Low Resistance
Material Flexible Membrane
Mounting Adhesive Back / Panel Mount
Response Life High Durability
Compatible Boards Arduino, ESP32, ESP8266, Raspberry Pi, STM32
Application User Input, Control Panels, Embedded Systems

Key Features

  • Compact 1x4 matrix keypad design
  • Four independent push buttons in a single module
  • Requires fewer GPIO pins using matrix scanning
  • Thin and lightweight membrane construction
  • Easy integration with microcontrollers
  • Low power consumption
  • Reliable button operation
  • Suitable for embedded and automation projects
  • Compatible with Arduino, ESP32, Raspberry Pi, and other controllers
  • Ideal for DIY electronics and robotics applications

Applications

  • Arduino keypad projects
  • Password lock systems
  • Security access control
  • Digital door lock projects
  • Robotics control panels
  • Industrial control systems
  • IoT projects
  • Menu selection interfaces
  • Embedded systems
  • Educational electronics projects
  • DIY automation projects
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