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4X4 KEYPAD GREEN

Price :
Rs.120.00/-
Quantity :  
  • 100 Units in Stock

DESCRIPTION

PRODUCT NAME: 4*4 KEYPAD

PRODUCT DESCRIPTION:

                    A 4x4 matrix keypad requiring eight Input/Output ports for  interfacing issued  as an example. Rows are connected to Peripheral Input/Output (PIO) pins configured as output. Columns are connected to PIO pins configured as input. In this configuration, pull-up resistors are added in order to apply a high level on the corresponding pins.

FEATURES:

  • Contact debouncing.
  • Easy to interface.
  • Interfaces  to any  microcontroller or microprocessor.

APPLICATIONS:

  • Vending machines.
  • Public phones.
  • Ticketing.

SPECIFICATIONS:

  • Operating force: 60 +/- 20cN
  • Key lifetime: 1x109 million operations

PIN DETAILS:

Pin

Name

Details

1-4

R0-R3

rows

5-8

C0-C3

columns

9

pull-up

10K pull-up