Using Analog Inputs as Digital (on the OI)

It is easy to be righteous on Chief Delphi, and harder to implement in life. - DonRotolo [more]

		Chief Delphi > Technical > Control System
Using Analog Inputs as Digital (on the OI)

Thread Tools

Rate Thread

Display Modes

#15

10-03-2008, 16:38

Alan Anderson Alan Anderson is offline

Software Architect

FRC #0045 (TechnoKats)

Team Role: Mentor

Join Date: Feb 2004

Rookie Year: 2004

Location: Kokomo, Indiana

Posts: 9,113

Alan Anderson has a reputation beyond repute

Re: Using Analog Inputs as Digital (on the OI)

Quote:

Originally Posted by sumadin

Hmm. I'm just about to wire the switch, and I'm wondering if I really need a connection to ground. Shouldn't I just be able to wire: +5 aux -> 10k resistor -> switch -> analog input, all in series?

You've got it right. An open circuit will be read as 127, and with the switch closed you should see something like 230. No ground connection is needed (or wanted -- it could trigger the open-circuit detector and be read as 127 too).

__________________
   :: qo'mey poSmoH Hol :: language opens worlds

« Previous Thread | Portal | Next Thread »

Thread Tools
Show Printable Version Email this Page
Display Modes	Rate This Thread
Switch to Linear Mode Switch to Hybrid Mode Threaded Mode	Rate This Thread:

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts vB code is On Smilies are On [IMG] code is On HTML code is Off

Forum Jump

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
We need help with the analog inputs	M_dalgashon	Programming	4	08-02-2008 17:39
Code to Read the Binary Inputs on Analog Buttons	Kingofl337	Control System	5	14-03-2007 11:01
Set Default Digital inputs to Low? How? bad Analog value?	Generalx5	Programming	11	04-01-2007 18:57
How do the Analog Inputs work?	JBotAlan	Electrical	3	07-01-2005 00:11
Analog vs Digital inputs?	f22flyboy	Programming	8	08-11-2002 22:18

All times are GMT -5. The time now is 02:50.

The Chief Delphi Forums are sponsored by Innovation First International, Inc.