Can you use the same pin as input/output and control led load?

Results 1 to 7 of 7

Threaded View

  1. - 15th August 2013, 09:28 #7
    Charlie's Avatar
    Charlie
    Charlie is offline Senior Member
    Join Date
    Dec 2010
    Posts
    409

    Did you find this post helpful? Yes | No

    Default Re: Can you use the same pin as input/output and control led load?

    What are you trying to accomplish with this circuit?
    Is the objective to have the LED on dimly and be able to confirm it has not failed, then be able to have the PIC turn it on brightly or off completely?
    Is the PIC also powered by 5V?
    If so, R3 does not serve any purpose...
    Last edited by Charlie; - 15th August 2013 at 09:30.
« Previous Thread | Next Thread »

Similar Threads

  1. Control '1000' Digits 7 Seven Segment LED with one MCU pin
    By bcheng in forum Adverts
    Replies: 1
    Last Post: - 6th April 2007, 10:50
  2. Input / output using same pin
    By leonel in forum mel PIC BASIC Pro
    Replies: 2
    Last Post: - 4th March 2007, 21:19
  3. WPU - Input - Output pin triangle
    By sayzer in forum mel PIC BASIC Pro
    Replies: 1
    Last Post: - 1st July 2006, 11:43
  4. how can i toggle an output as long as an input pin is pulsing at a lower rate?
    By EDWARD in forum mel PIC BASIC Pro
    Replies: 1
    Last Post: - 3rd June 2005, 12:17
  5. Using 4 input to control 10 output
    By cibotsan in forum mel PIC BASIC Pro
    Replies: 7
    Last Post: - 5th November 2004, 12:08

Members who have read this thread : 0

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

Bookmarks

Posting Permissions

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

Forum Rules