,
4×4 Keypad Matrix Membrane Type Keypad 16 Keys in Lahore Pakistan

₨140 ₨120

  • Maximum Voltage across EACH SEGMENT or BUTTON: 24V
  • Maximum Current through  EACH SEGMENT or BUTTON: 30mA
  • Maximum operating temperature: 0°C to + 50°C
  • Ultra-thin design
  • Adhesive backing
  • Easy interface
  • Long life.

Description

Introduction

4×4 key pad is simply an arrangement 0f 16 push button switches in a 4X4 matrix form. Typically a hex keypad will have keys for number 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and letters A, B, C, D, *, #.  It consists of 16 buttons arranged in a form of an array containing four lines and four columns. When easy to use INPUT device is needed. For control systems or embedded systems there will be a time where human interaction is needed. Like a coffee machine needs choice selection. In those cases using 4X4 KEYPAD MODULE is best solution. 16 alphanumeric digits on the MODULE surface are the 16 buttons arranged in MATRIX formation.

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