

Compact 4x4 membrane keypad with 16 keys, ideal for input control in Arduino, ESP32, Raspberry Pi, and embedded projects.
The 4x4 Matrix Array 16-Key Membrane Switch Keypad Keyboard offers a flexible and reliable user interface for electronics projects. Designed with a membrane switch matrix, it provides 16 tactile keys arranged in a 4x4 grid. Compatible with popular microcontrollers such as Arduino, ESP32, Raspberry Pi, and STM32, it simplifies user input for menus, password entry, and control panels.
Its thin and durable design makes it ideal for compact embedded applications, DIY robotics, security systems, and custom control interfaces.
📟 Specifications:
Keys: 16 (4 rows × 4 columns)
Type: Membrane switch keypad
Interface: Matrix row-column scanning
Operating Voltage: 3.3V to 5V
Dimensions: Compact and slim design
Compatible with: Arduino, ESP32, Raspberry Pi, STM32
🎯 Applications:
User input for microcontroller projects
Security systems keypad
DIY robotics control panel
Menu navigation interfaces
Embedded system inputs
✅ Why Buy from Engineering Electronics?
✅ Durable membrane design
✅ Easy to interface with Arduino & ESP32
✅ Ideal for students and professionals
✅ Competitive pricing in Bangladesh
✅ Fast nationwide delivery
📦 Package Includes:
1 × 4x4 Matrix 16-Key Membrane Switch Keypad