Keypad port problems


Closed Thread
Results 1 to 3 of 3
  1. #1
    Join Date
    Feb 2011
    Posts
    19

    Default Keypad port problems

    Is there any way i can use a key pad without using 10 ports?

  2. #2
    Join Date
    Feb 2006
    Location
    Gilroy, CA
    Posts
    1,530


    Did you find this post helpful? Yes | No

    Default Re: Keypad port problems

    Mister_e made a nice configurable keypad routine. It uses a matrix, so for a 4 x 4 keypad it uses 8 ports. 3 x 4 would be 7 ports. http://www.picbasic.co.uk/forum/cont...Keypad-routine

  3. #3
    Join Date
    Aug 2006
    Location
    Look, behind you.
    Posts
    2,818


    Did you find this post helpful? Yes | No

    Default Re: Keypad port problems

    Yes, use analog functions and use different resistor values for each row.
    If you do not believe in MAGIC, Consider how currency has value simply by printing it, and is then traded for real assets.
    .
    Gold is the money of kings, silver is the money of gentlemen, barter is the money of peasants - but debt is the money of slaves
    .
    There simply is no "Happy Spam" If you do it you will disappear from this forum.

Members who have read this thread : 0

You do not have permission to view the list of names.

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts