3×4 Push Button Matrix Keypad


  • Weight: 20 grams
  • 3×4 Keypad
  • Keypad dimensions: 55mm x 55mm
  • 7-pin of Input


Push key into this numeric matrix keypad. This keypad has 12 buttons, arranged in sequence 4×3 grid. The keys are connected into a matrix, so you only need 7 microcontroller pins (3-columns and 4-rows) to scan through the pad.