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engine monitor 1/2
This is a mock-up of an engine monitor I am working on.
Colours can be changed by means of a text file (the software reads the file upon keyboard command).
The style of pointer can be changed (on the fly - pun not intended) from the filled in areas to the conventional needle (see picture #2).
Several other parameters can also be modified through the text file.
The software was written in C++ with openFrameworks libraries.
Final implementation will probably be on a PCduino or Raspberry PI. As for the screen, still searching for something that can work under the bubble canopy for a decent price.
Comment
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Comment by Brent Cameron on January 19, 2015 at 9:01am
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Looks good Carlos. I did a lot of this in my old Process Control days in the very early days of DOS, QNX, Windows and then OS/2 25 years ago. Back then a display adapter (IBM PGA) that could drive a screen with those resolutions cost about $5K let alone the monitor! You have all the right ideas. Basically, you want to be able to glance at the screen and quickly understand if there is an issue (at which point you can do some digging into other screens if necessary). Yours seems to be clear and concise which are two of the main challenges. I'd focus on the "alarm" behaviour. You want to understand trends and thresholds really well. I'd also look into providing some sort of a logging function.
I know a guy who is doing something similar right now with sailboats and have been vicariously enjoying his experiences. Sounds like a lot of fun! Good luck and let us know where you end up.
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Comment by Andre Levesque on January 18, 2015 at 8:04pm
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Hi Carlos,
I would use an Arduino instead of a Raspberryy Pi. The arduino can provide more flexibility in the future for adding sensors and more I/O ports. My opinion. Although the PI can be programmed quite easily in Python and the OS is already available to run tons of off the shelf software.
Great work.
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Comment by Mark Maltais on January 17, 2015 at 6:16pm
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Good luck with the screens. We had to get some for our UAV remotes to work in sunlight. Non-touchscreen with enough nits was over 1k!!! But it's as bright as can be in direct sun. Touchscreen price was out of sight! That was a while back, I'm sure the prices are going to come down and more options are going to come about. Love your layout... great work!
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