Keypad 4x4 matrix

This handy keypad with 4x4 matrix buttons can be used to, for example, enter a pin code or set a clock.

Specifications:

• Electrical properties:
  • Maximum current: 100mA
  • Maximum voltage: 35V DC
  • Maximum power: 1W
  • Contact resistance: 10Ω~500Ω
  • Insulation resistance: 100MΩ; 100V
  • Dielectric strength: 250Vrms (50~60Hz 1min)
  • Electrical jitter: <5ms
  • Lifespan: a million times
• Mechanical properties:
  • Press buttons: 170~397g
  • Distance of pressure area: 0.6~1.5mm
• Operating temperature: -40 - +80°C
• Dimensions: 7.7 x 7.0 cm

Package contents:

• 1x Keypad 4x4 matrix

To quickly get this keyboard up and running, see the following pages:

• The Matrix Keypad how-to
• OneWireKeyPad
• Use a Keypad with Your Arduino