Package Included

- 1  x 12 Key Membrane Switch Keypad 4 x 3 Matrix Array Matrix keyboard switch keypad

Description:

- A basic 12 button keypad for user input. The buttons are set up in a matrix format. This allows a microcontroller to ‘scan' the 7 output pins to see which of the 12 buttons is being pressed.

Keypad type - universal
Number of keys - 12
Mechanical durability - 1000000 cycles
Max. contact resistance: - 200mΩ
Material - plastic
Max. operating voltage - 24V DC
Switching torque - 1N
Keystroke 1.2mm
Operating current max. 20mA
Operating temperature -20...60°C
Keypad colour BLACK

Dimension : 5cm(W) x 7cm(H) approximately

Reference

• http://domoticx.com/arduino-keypad-4x3/