20x4 LCD usefulness ideas?

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AndreyB
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20x4 LCD usefulness ideas?

Post by AndreyB »

Any ideas for how to make LCD more useful? ANY ideas.

Tetris? More gauges? Anything?
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Re: LCD usefulness ideas?

Post by Abricos »

LCD touch screen gauges !!!
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Re: LCD usefulness ideas?

Post by stefanst »

To me the LCD screens are really only useful during initial bench-test. After that the ECU is in the car, usually hidden away, Information is displayed to me via Tunerstudio.
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Re: LCD usefulness ideas?

Post by AndreyB »

Abricos wrote:
Sun Jul 29, 2018 9:29 pm
LCD touch screen gauges !!!
No, the question is about the existing 20x4 LCD.
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Re: 20x4 LCD usefulness ideas?

Post by kb1gtt »

Field adjustable parameters with no pc. Things like fan turn on temp, thermal shutdown, tps min max, etc. Aka if at the track it would be handy to be able to change parameters even if you forgot the PC or if the PC cable gets damaged. Or if on an endurance race and you can't spare the weight of a pc.
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Re: 20x4 LCD usefulness ideas?

Post by puff »

I would say, plus five spare pins for something really useful? %-)
Correct me if I am wrong, but initially these LCDs were designed to still display the last error code when the board crashes or hangs completely - just to give some hints what goes wrong with it. But now, with some major improvements in stability, with almost no fatal errors (eh?), these displays become less important. may be, adding a second can? (with an option of sending custom messages like with universal gpio logic - ) k-line (I've seen some mid 2000's mercedes cars have can and k-line buses for some reason, although I thought k-line is a thing of real past, like from 90-s)
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Re: 20x4 LCD usefulness ideas?

Post by RadMx5 »

I'm planning to use the LCD in the car as a dashboard display. Get rid of my clock and put this LCD instead.
It would be useful to display warnings on the LCD for example:
- trigger errors,
- knock events/counts
- AFR warning if mixture too lean or too rich,
- alternator warning if (overcharging?, or not charging?)
- If everything is good, there could be an information "SYSTEM: OK" or something like that
- configurable variables to display like: Intake Air temp, oil press, or any additional sensor.

While button pressed we could have a little menu, to enable some functions or features.
An example retarding ignition timing by a pre-configured value or in other words ALS - Anti Lag system for turbo engines. You could enable or disable this feature from the LCD menu, but configure it in tuner studio or rusEFI console.

Same with anti lag, if it gets finished one day :)

I have prepared some example screens, see what you all think guys?

While engine running:
1_ENGINE INFO.PNG
1_ENGINE INFO.PNG (28.94 KiB) Viewed 11971 times
While menu button pressed:
2_Menu.PNG
2_Menu.PNG (24.69 KiB) Viewed 11971 times
And then:
3_Features.PNG
3_Features.PNG (27.37 KiB) Viewed 11971 times
4_Bench test.PNG
4_Bench test.PNG (25.88 KiB) Viewed 11971 times
5_SENSORS.PNG
5_SENSORS.PNG (27.04 KiB) Viewed 11971 times
6_about.PNG
6_about.PNG (25.06 KiB) Viewed 11971 times
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Re: 20x4 LCD usefulness ideas?

Post by kb1gtt »

RadMx5 wrote:
Mon Jul 30, 2018 5:09 pm
- If everything is good, there could be an information "SYSTEM: OK" or something like that
Much better would be
"world domination"
"Proceeding as planed"
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Re: 20x4 LCD usefulness ideas?

Post by Abricos »

Perfect example ... + boost control adjustments ...
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Re: 20x4 LCD usefulness ideas?

Post by RadMx5 »

Or imagine playing snake while waiting to start the race... :lol:
snake.JPG
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Re: 20x4 LCD usefulness ideas?

Post by NBytevenom »

Ever heard of the Nextion displays? They’re cheap touchscreen displays. Would add more usefulness!
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Re: 20x4 LCD usefulness ideas?

Post by AndreyB »

@ these are amazing proposals and how did you make these cool pictures? :)
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Re: 20x4 LCD usefulness ideas?

Post by kneelo »

russian wrote:
Sat Jan 12, 2019 9:20 am
@ these are amazing proposals and how did you make these cool pictures? :)
Would like to know this also...

I have previously made an arduino based dash using the same 20x4 display taking data from a Wolf ECU via the serial port. It had a few buttons so you could scroll pages and do a few other things... You can squeeze a lot of useful info onto this display but to be useful it should really be mounted where you can see it while you drive. For this reason i think its better having a separate display unit probably connected via canbus

Image
Image

Thread here
http://www.performanceforums.com/forums/showthread.php?67304738-Arduino-Wolf-V500-lap-timer-dash
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Re: 20x4 LCD usefulness ideas?

Post by puff »

That would require a separate device (blue-pill based?), and I believe even I'd cope with building such a device (through it might take quite some time ), but only if it displays some data. If it requires control (via the same can-bus), it would need altering rusefi code, so that it could read can data and accept those commands?
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Re: 20x4 LCD usefulness ideas?

Post by RadMx5 »

Hey!

I have used this: http://avtanski.net/projects/lcd/ kind of show the ideas ;)
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Re: 20x4 LCD usefulness ideas?

Post by AndreyB »

NBytevenom wrote:
Sun Nov 25, 2018 8:09 pm
Ever heard of the Nextion displays? They’re cheap touchscreen displays. Would add more usefulness!
Those look pretty nice! Too bad they only have UART connectivity?

https://nextion.tech/intelligent-series-introduction/
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