homemade encoder issues

Step 1: Get a blue banner. Step 2: Wave it everywhere until your School Board acknowledges your existence. We haven't gotten to Step 1 yet, unfortunately. - Chris is me [more]

		Chief Delphi > Technical > Control System > Sensors
homemade encoder issues

Thread Tools

Rating:

Display Modes

03-04-2012, 11:16

DonRotolo

Back to humble

FRC #0832

Team Role: Mentor

Join Date: Jan 2005

Rookie Year: 2005

Location: Atlanta GA

Posts: 6,998

DonRotolo has a reputation beyond repute

Re: homemade encoder issues

I'm thinking that your grounding resistor of 1M is too high, and so the phototransistor's leakage current is raising your Voff very high (3.8V). Try 10k or 100k on the bottom and see what happens.

__________________

I am N2IRZ - What's your callsign?

« 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

All times are GMT -5. The time now is 21:50.

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