Home » Public Forums » GMCnet » Something I always wanted time to design
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| Re: Something I always wanted time to design [message #268068 is a reply to message #268066] |
Mon, 22 December 2014 23:08   |
Chr$
Messages: 2690
Registered: January 2004
Location: Scottsdale, AZ
Karma: 1
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yes
-Chr$: Perpetual SmartAss
Scottsdale, AZ
77 Ex-Kingsley 455 SOLD!
2010 Nomad 24 Ft TT 390W PV W/MPPT, EV4010 and custom cargo door.
Photosite: Chrisc GMC:"It has Begun" TT: "The Other Woman"
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| Re: Something I always wanted time to design [message #268070 is a reply to message #268068] |
Tue, 23 December 2014 05:40 |
Joe Weir
Messages: 769
Registered: February 2013
Location: Columbia, SC
Karma: 7
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Ah, to dream...
76 Birchaven - "Wicked Mistress" - New engine, trans, alum radiator, brakes, Sully airbags, fuel lines, seats, adult beverage center... those Coachmen guys were really thinking about us second hand owners by including that beverage center...
Columbia, SC.
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| Re: [GMCnet] Something I always wanted time to design [message #268076 is a reply to message #268070] |
Tue, 23 December 2014 07:07 |
Jim at the Co-op
Messages: 291
Registered: May 2014
Location: Orlando Florida
Karma: 2
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Now calm down there Mr. Spok, remember we have the laws of physics to
contend with still. Afterall, our motorhome is a substantial object moving
through space occupying both time and space. Time travel has not been
perfected as yet and our world is still a capitalistic society.
Communicators are a common thing today but transports still end up screwing
up watermellons so keep you dreams safe...
On Tue, Dec 23, 2014 at 6:40 AM, Joe Weir wrote:
>
> Ah, to dream...
> --
> 76 Birchaven - New engine, trans, aluminum radiator, brakes, airbags, fuel
> lines, seats, upholstery, adult beverage center... those Coachmen guys were
> really thinking about us second hand owners...
> Columbia, SC.
> _______________________________________________
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| Re: [GMCnet] Something I always wanted time to design [message #268084 is a reply to message #268063] |
Tue, 23 December 2014 09:42 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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SilverLeaf was founded by one of the sons of Matt Perlot, founder of Safari
Motors, shortly before I bought my '97 Safari. Their electronic engine
status display was one of the nicer features of the coach. I'm glad to see
they're still in business and producing much more sophisticated displays.
It's too bad (for us) that they're still dedicated to diesel applications.
For a long time after buying the GMC, before my brain so atrophied, I had
plans for an electronic dash. Those never got off the ground and by the
time I rebuilt the dash, keeping analog dials was my only option. But if
someone would do the hardware & software work, I could still easily replace
the face of the instrument panel with a touch screen! :-)
You young folks need to get busy before it's too late!
Merry Christmas to All of You.
Ken H.
Americus, GA
'76 X-Birchaven w/Cad500/Howell EFI & EBL,
Manny Brakes & 1-Ton, etc., etc.
www.gmcwipersetc.com
On Mon, Dec 22, 2014 at 11:27 PM, Chris Choffat wrote:
> http://www.silverleafelectronics.com/
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Something I always wanted time to design [message #268109 is a reply to message #268084] |
Tue, 23 December 2014 17:24 |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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Glass cockpit - Good. Learning curve - ?
Purchased a very nice touch screen nominal 8" LED display from Ken's favorite store (Skycrafters) for $55. HDMI interface for Raspberry Pi.
Excellent starting point for many different ideas.
Need to "roll your own" analog to digital converter (Ardino?). Should be able to use OEM analog senders.
Linux environment, so lots of work already done in open source materials.
Back-up camera very easy to do, with multiple inputs available; HDMI, VGA, separate RCA video/audio, and composite video.
Actually appears to have internal TV tuner, but might be PAL. Strange antenna input, I've never seen it.
Powered by 5 volts, easy to provide in GMC environment.
Tom, MS II
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: [GMCnet] Something I always wanted time to design [message #268112 is a reply to message #268109] |
Tue, 23 December 2014 18:59 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Before anyone heads off on their own tangent, those with the interest and
abilities to do glass cockpit design should get together on some
standards. There are probably subroutines already written for such things
as variable size & scale analog dials, "thermometers", and other such data
presentations. If not, an open source development among you would be
beneficial to everyone.
JMH"OverTheHill"O
Ken H.
On Tue, Dec 23, 2014 at 6:24 PM, Thomas Phipps wrote:
> Glass cockpit - Good. Learning curve - ?
> Purchased a very nice touch screen nominal 8" LED display from Ken's
> favorite store (Skycrafters) for $55. HDMI interface for Raspberry Pi.
> Excellent starting point for many different ideas.
> Need to "roll your own" analog to digital converter (Ardino?). Should be
> able to use OEM analog senders.
> Linux environment, so lots of work already done in open source materials.
> Back-up camera very easy to do, with multiple inputs available; HDMI, VGA,
> separate RCA video/audio, and composite video.
> Actually appears to have internal TV tuner, but might be PAL. Strange
> antenna input, I've never seen it.
> Powered by 5 volts, easy to provide in GMC environment.
> Tom, MS II
> --
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: Something I always wanted time to design [message #268127 is a reply to message #268063] |
Tue, 23 December 2014 22:38 |
Chr$
Messages: 2690
Registered: January 2004
Location: Scottsdale, AZ
Karma: 1
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Senior Member |
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If you go the Arduino route, you can use the PWM inputs as Analog inputs. We've done this with some non-automotive applications at work. I'm using one to read force with a load cell and controlling two 0-5V Pressure regulators. Heck, you could run the airbags from this too...
You are limited to 0-5V or 4-20mA and you'll have to make the proper voltage divider to use the 90 Ohm impedance of the GM sensors, but should work just fine.
-Chr$: Perpetual SmartAss
Scottsdale, AZ
77 Ex-Kingsley 455 SOLD!
2010 Nomad 24 Ft TT 390W PV W/MPPT, EV4010 and custom cargo door.
Photosite: Chrisc GMC:"It has Begun" TT: "The Other Woman"
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| Re: [GMCnet] Something I always wanted time to design [message #268173 is a reply to message #268128] |
Wed, 24 December 2014 15:22 |
Keith V
Messages: 2337
Registered: March 2008
Location: Mounds View,MN
Karma: 0
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if you have a PI why would you tack an Arduino on?
There are plenty of SDCs for the PI, like this one.
But the biggest hurdle is youre not measuring voltage you are measuring resistance. That means you need an accurate, stable constant current supply, multiple currents for different resistances and one for each sensor.
Or there are tricks you can play to use a cheap CC source and measureing the supply voltage as you measure the sensor voltage and then compensating.
Cheaper hardware if youre makeing them, harder software if youre only making one
Once you have the CC figured out you need to be able to calibrate the system to known values, not too hard
The display is the easy part
Keith Vasilakes
Mounds View. MN
75 ex Royale GMC
ask me about MicroLevel
Cell, 763-732-3419
My427v8@hotmail.com
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| Re: Something I always wanted time to design [message #268212 is a reply to message #268203] |
Thu, 25 December 2014 02:38 |
Bullitthead
Messages: 1411
Registered: November 2013
Karma: 5
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Senior Member |
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HP is abandoning all of us that bought their WebOS touchpad, coming up on January 15,2015. They said all support will end, and since it is a cloud-based OS, the pads will become square Frisbees. Or..., some smart guys load the Android OS on there and keep on using them. Saw part of a YouTube video of how to do it. But the real point is that the Touchpads will be available for the price of a brick (or a Frisbee) right about the end of January. If the bluetooth sensors for temperature and pressure are already on the market, all that is needed is some software instructions that work in the Android operating system to display the values of the sensors.
Terry Kelpien
ASE Master Technician
73 Glacier 260
Smithfield, Va.
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| Re: [GMCnet] Something I always wanted time to design [message #268232 is a reply to message #268212] |
Thu, 25 December 2014 11:17 |
Rob
Messages: 651
Registered: November 2013
Location: Victoria, BC
Karma: 3
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Didn't 90% of the people buying the TouchPad do so AFTER HP announced they were giving up? I don't think very many were sold before that (less than two months from release). So - I doubt many people will be that surprised, most knew they were buying "square frisbees" when they laid down their (very little) cash.
I *do* feel badly for anybody that bought before they gave up (and paid the iPad like prices HP was originally asking). But the consumer side of HP has a long track record of extremely poor customer service...
Running Android would likely be an improvement in any case...
Rob
Victoria, BC
76 Royale - Rear Twins/Dry Bath
On 2014-12-25, at 12:38 AM, Terry wrote:
> HP is abandoning all of us that bought their WebOS touchpad, coming up on January 15,2015. They said all support will end, and since it is a
> cloud-based OS, the pads will become square Frisbees. Or..., some smart guys load the Android OS on there and keep on using them. Saw part of a
> YouTube video of how to do it. But the real point is that the Touchpads will be available for the price of a brick (or a Frisbee) right about the end
> of January. If the bluetooth sensors for temperature and pressure are already on the market, all that is needed is some software instructions that
> work in the Android operating system to display the values of the sensors.
> --
> Terry Kelpien
> ASE Master Technician
> 73 Glacier 260
> Smithfield, Va.
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Rob -
Victoria, BC -
76 Royale - Rear Twins/Dry Bath
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| Re: [GMCnet] Something I always wanted time to design [message #268262 is a reply to message #268232] |
Thu, 25 December 2014 22:44 |
Bullitthead
Messages: 1411
Registered: November 2013
Karma: 5
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Senior Member |
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Can't speak for the other percentage, don't represent them...Mine was a freebee to me, but somebody paid for it back up the line. Customer service from computer companies has always been more work than fixing the situation myself 90% of the time. Now I just need to find the dashboard software and be sure I put the right version of Android on it for that software.
Terry Kelpien
ASE Master Technician
73 Glacier 260
Smithfield, Va.
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