Sistema 45 Ave 1 2 3 4 12 16 20 Key Button Membrane Switch 1x4 3x4 4x4 4x5 Keys Matrix Array Keyboard Keypad Control Panel Diy Kit I.383829286 Apple Magic Keyboard Folio Pad Size: 70 x 21 mm'' Total Length: 107 mm DIY Project Membrane Switch 4 X 4 Keypad Module Jual 16 Keys Matrix Keypad 4x4 Membrane Keyboard Module Array Switch For Arduino Uno R3 4x4 Matrix Membrane Keyboard Module Membrane Switch Keypad 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. In conclusion, the LYLGO 2PCS 1x4 Matrix Array 4 Key Membrane Switch Keypad Keyboard 4 Keys is a well-designed and affordable keypad suitable for basic projects and prototypes. Its FPC circuit and single chip microcomputer extended keyboard ensure precise and stable performance, while its compact size makes it easy to integrate into your project. While it may not be backlit, its performance... 1*4 Matrix Array 4 Key Membrane Switch Keypad Keyboard 1X4 Keys... Precise and professional made, stable performance 1 x 4 Matrix membrane switch with FPC circuit