4*4 Electronic Keypad Keyboard 16 Buttons Matrix Module Kit with 8 I/O Ports

  • Our Wholesale Price includes Shipping & Handling Charges and GST
  • Processing time12 ~ 20 days
  • Country Of OriginChina
  • Quantity
  • Available
  • SKU51002742

Product Description

In the application system of microcontroller, keyboard is essential in man-machine dialogue. When you are short of a button, you can connect one to the I/O port of the comtroller; but when you need a lot of buttons with limited I/O port resources, this 4*4 Matrix Keypad is no doubt your best choice. 4*4 matrix keypad is the most applied keypad form. The key layout is in matrix form, so with only eight I/O ports, we can identify 16 buttons, saving lots of I/O port resources
 
Description:
  • 4*4 matrix keypad
  • Eight I/O ports, can identify 16 buttons
  • Size: (approx.) 49 x 39 x 8mm/ 1.93*1.54*0.3inch
  • Material: Fibreboard
Specification:
  • Circuit grade: 35V(DC),100mA,1W
  • Contact resistance: 10Ω~ 500Ω(changing with wire length and materials)
  • Insulation resistance: 100MΩ 100V
  • Dielectric Strength: 250VRms(50~60Hz 1min)
  • Electrical shock shaking time: < 5ms
  • Service life: Tactility type: ≥ 1 million times
  • Operating pressure: Tactility type: 170~397g(6~14oz)
  • Switching path: Tactility type: 0.6~1.5mm
  • Operating temperature: -40~+80
  • Storage temperature: -40~+80
  • Temperature: 40, 90%~95%, 240H
  • Vibration: 20G,max.(10~200Hz,Mil-SLD-202,M204.Condition B)
Package includes:
  • 1 x Matrix Keypad