|
Post by indkid87 on Jun 5, 2014 9:21:48 GMT -5
I just had a thought and I'm not sure if it's brilliant or destined for failure, so I figured I'd throw it out there to get some ideas flowing.
Here it is.... There are phone apps that use GPS in order to display a digital speedometer. It would be very easy to find an old phone, hardwire it into the car so it has constant power and mount it permanently so it can be used as a speedometer.
I plan on doing this simply because I keep breaking speedo cables, I can no longer read it comfortably from my driving position and I'm constantly changing tire sizes so my stock speedo is never accurate.
However, this brings in another possibility. What if the phone could be used to read other parameters as well? Such as engine RPMs and coolant temps.
This would be easy if the car was OBDII, but not so much when it's OBDI like the Justy.
So, does someone more electronically savvy than me think its possible to get a smart phone to read the other info in an OBDI car?
-Dave
|
|
|
Post by Mato393 on Jun 6, 2014 1:43:38 GMT -5
|
|
|
Post by indkid87 on Jun 6, 2014 14:09:29 GMT -5
That's a nice video. However it doesn't really help on the justy because it's OBDI not OBDII like the car in the video
|
|
|
Post by Mato393 on Nov 10, 2014 9:52:46 GMT -5
Maybe there is some OBDI to OBDII adapters... Try to sreach on e-bay...
|
|
henrypaz
PLEASE: easy way to install hitachi carb? it took HOURs for 2 front nuts last time!
Posts: 106
|
Post by henrypaz on Jan 30, 2015 18:14:31 GMT -5
I think this is a great idea. I don't know anything about the phone app thing, but I think another cool device might be very useful to us Justy owners. It is called an Arduino. It is a microcontroller. It has about 5-20 inputs and 5-20 outputs depending on the size Arduino you get. It is analog and digital. It is programmable. It is fast-about a million cycles per second. I think it could function as an ignition control module or a FI control module. It can store a look-up table . This thing is not expensive- about 30-40 bucks, and is fun and challenging to play with.
Here's a scenario that interested me: Say you have a thermistor (THW signal to ECU ) that is not in proper range. Well, this Arduino thingy can read values from the "bad" thermistor and according to your programming, it can put out the corrected voltages to the ECU. Bingo! you have saved yourself buying a new thermistor. You've had a challenge, and a lot of fun.
Personally, I am tired of the mfgr's putting everything in "black boxes" and hiding simple functions where we can't fix them. for instance: If you have a vacuum control solenoid that is Kaput, why not run a hose into the cab and control it with a pair of vise-grips ( if you can't think of anything nicer.)
Or---instead of the Arduino route, why not just put the proper resistor in the "THW" control line to the ECU and switch it into action when you think or know the engine is warm? No need to spend a lot of money on Special Black Boxes because they want you to. Some wire, a switch, a 10-cent resister, and you are in business!
The Cold-start-injector time-switch is another boondoggle that you can get around with that method. I did, and it works great!
Pretty satisfying to outsmart the............................."Dealers."
Happy injinuity!
|
|
|
Post by Armageddous on Jan 30, 2015 22:12:20 GMT -5
I have been messing around with the Arduino for a few months now, it requires the knowledge of C programming and basic electronics knowledge, it is very cool. For those interested check out Arduino.cc, it has all the info you need. Also, I am not affiliated, just enthusiastic. Terry
|
|