jujinglobal 4pcs 3 x 4 Matrix Array Membrane Switch Keypad Keyboard 12 Key Matrix Array Membrane Switch Keypad Keyboard Compatible with Arduino Microcontroller
jujinglobal 4pcs 3 x 4 Matrix Array Membrane Switch Keypad Keyboard 12 Key Matrix Array Membrane Switch Keypad Keyboard Compatible with Arduino Microcontroller
Product Features
- Type: 7 Pin 2.54mm pitch connector, 3x4 12 Key.
- Ultra-thin design: Can be easily integrated into any project, the pin connection circuit can be inserted and connect to any microcontroller.
- Adhesive backing design for easy mounting.
- High quality, Responsive, Durable.
- Application: Password security system,Wired remote controlled robot, Electronic voting machine, Musical keypad and Generating external interrupt, etc.