Go Back   EcoModder Forum > EcoModding > Instrumentation > OpenGauge / MPGuino FE computer
Register Now
 Register Now
 

Reply  Post New Thread
 
Submit Tools LinkBack Thread Tools
Old 10-26-2011, 01:03 AM   #1 (permalink)
EcoModding Lurker
 
JJMunoz's Avatar
 
Join Date: Jun 2009
Location: New Jersey
Posts: 41

Seriously? II - '02 Honda` Insight
90 day: 67.94 mpg (US)

Endearing Fuel Gulping Box - '08 Honda Element EX
90 day: 32.18 mpg (US)
Thanks: 2
Thanked 4 Times in 2 Posts
MPGuino Values lost after powered down?

Hey guys.
I hooked up the MPGuino in my 94 Civic DX today and I noticed something about it which is problematic.
I incorporated a power switch in the circuit so that the MPGuino doesn't have to be on when the car is off and parked.
However, when I turn the power off I lose my Tank miles and distance.
My U/Sec and VSS Pulse figures remain saved though.

Any way to fix this?
Or does everyone else leave their MPGuinos powered on all the time?

Thanks.

JJ

__________________

  Reply With Quote
Alt Today
Popular topics

Other popular topics in this forum...

   
Old 10-26-2011, 01:17 AM   #2 (permalink)
dcb
needs more cowbell
 
dcb's Avatar
 
Join Date: Feb 2008
Location: ÿ
Posts: 5,038

pimp mobile - '81 suzuki gs 250 t
90 day: 96.29 mpg (US)

schnitzel - '01 Volkswagen Golf TDI
90 day: 53.56 mpg (US)
Thanks: 158
Thanked 269 Times in 212 Posts
mine is on, always, about 20milliamps idle. The backlight turns off after 7 minutes of no activity. It keeps the setup parameters in eprom, but the trips are in ram for speed/accuracy.
__________________
WINDMILLS DO NOT WORK THAT WAY!!!
  Reply With Quote
The Following 2 Users Say Thank You to dcb For This Useful Post:
JJMunoz (10-26-2011), razor02097 (01-25-2013)
Old 10-26-2011, 01:48 AM   #3 (permalink)
EcoModding Lurker
 
JJMunoz's Avatar
 
Join Date: Jun 2009
Location: New Jersey
Posts: 41

Seriously? II - '02 Honda` Insight
90 day: 67.94 mpg (US)

Endearing Fuel Gulping Box - '08 Honda Element EX
90 day: 32.18 mpg (US)
Thanks: 2
Thanked 4 Times in 2 Posts
Quote:
Originally Posted by dcb View Post
mine is on, always, about 20milliamps idle. The backlight turns off after 7 minutes of no activity. It keeps the setup parameters in eprom, but the trips are in ram for speed/accuracy.
Awesome! Thank you!
__________________

  Reply With Quote
Old 10-26-2011, 03:29 AM   #4 (permalink)
EcoModding Apprentice
 
meelis11's Avatar
 
Join Date: Feb 2009
Location: Estonia
Posts: 199

Green frog - '97 Audi A4 Avant 1.9TDI 81kW
Diesel
90 day: 43.1 mpg (US)
Thanks: 19
Thanked 40 Times in 28 Posts
In wiki section there is code how to save tank parameters to eeprom - so you dont lose them if you want to disconnect mpguino sometimes or you get power loss.
I made some changes to my code so mpguino goes to sleep and consumes around 5-6 milliAmps. If someone is interested, I can check code and put that part here or in the wiki. It was quite easy actually, just added one line into that block where backlight is turned off.

  Reply With Quote
Reply  Post New Thread


Thread Tools




Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Content Relevant URLs by vBSEO 3.5.2
All content copyright EcoModder.com