1×4 Keypad Matrix Module Membrane Switch

4 x 1 keypad module is a module with 4 buttons with numbers 1 to 4. This keypad module is used in input projects

Specification

• Maximum rating: 24 VDC, 30 mA
• Easy to interface with the controller, processor, and Arduino
• Adhesive backing
• Thin design

Application

• Data entry for microcontroller
• Menu or data selection
• Password lock
• In general password lock household or industrial devices

Features

• Easy to interface with the controller, processor, and Arduino
• Adhesive backing
• Thin design