2PCS 1x4 Matrix Array 4 Key Membrane Switch Keypad Keyboard 4 Keys

Easy to use keypad for your Arduino or Raspberry Pi project This keypad has 4 buttons, and since every key has its own wire line, no matrix code is required The membrane is soft and has a removable paper backing to expose a strong adhesive Includes a 5-pin extra-long header strip so you can plug this into a breadboard with ease.

• Easy to use keypad for your Arduino or Raspberry Pi project
• 1 x 4 Matrix membrane switch with FPC circuit
• Precise and professional made, stable performance
• Single chip microcomputer extended keyboard
• Pad Size: 70 x 21 mm'' Total Length: 107 mm