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Navdy heads up display

hurd300403

Member
Jul 28, 2016
41
27
maryland
really enjoying this upgrade.

all features work and it just required a slightly custom mount... ultra sticky tape. works rock solid!
 

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hurd300403

Member
Jul 28, 2016
41
27
maryland
Will it work with Waze?
sadly, nope.

one work around is to turn on wave notifications and it will tell you when alerts come up, but that's not the best. it has built in nav using google maps and does have stop light camera alerts, speed limits, etc. it really feels like my roadster has as good or better display than my model S.... I just wish it looked more stock, but they need to iterate with slimmer hardware
 
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Reactions: hsull8915

dsm363

Roadster + Sig Model S
May 17, 2009
18,278
151
Nevada
Awesome. I had the same question. Does it work with OVMS or replace OVMS in that you can tell the charge and start/stop a charge?
 

markwj

Moderator, Asia Pacific
Apr 10, 2011
4,584
1,180
Hong Kong
Does it work with the OVMS connected to the OBD2 port at the same time?

OVMS plugs into the DIAG port. These things plug into the OBDII port. Problem is that the OBDII port on the roadster is non-functional - just power and TPMS diagnostics, nothing else.

Good news is that OVMS v3 is gonna include an OBDII ECU simulator. It will offer a OBDII port that supports OBDII dongles, HUDs, etc. The OVMS v3 talks to the car using that DIAG port, and then exposes a standard OBDII female port with an OBDII ECU simulated for things like speed, fuel consumption, etc. That should allow these things to work really well in the roadster.
 

hurd300403

Member
Jul 28, 2016
41
27
maryland
OVMS plugs into the DIAG port. These things plug into the OBDII port. Problem is that the OBDII port on the roadster is non-functional - just power and TPMS diagnostics, nothing else.

Good news is that OVMS v3 is gonna include an OBDII ECU simulator. It will offer a OBDII port that supports OBDII dongles, HUDs, etc. The OVMS v3 talks to the car using that DIAG port, and then exposes a standard OBDII female port with an OBDII ECU simulated for things like speed, fuel consumption, etc. That should allow these things to work really well in the roadster.

The navdy somehow gets speed and G forces from the obvii port. Everything else works via Bluetooth from a phone connected. Works the way it should if you read through their site etc. no trade offs for it being a roadster vs any other car other than the gas monitoring not working ;)
 

hurd300403

Member
Jul 28, 2016
41
27
maryland
I've got a speedometer app for my iPhone that does the same thing. Is this a dedicated device?

This does speed, navigation with turn by turn in the display, great interface for music control, messages are displayed and read from iMessage, email, whatever you want or don’t want. And it’s on a display that’s in line with the road so... probably safer
 

hsull8915

Member
Aug 7, 2017
92
76
Fort Worth, TX
OVMS plugs into the DIAG port. These things plug into the OBDII port. Problem is that the OBDII port on the roadster is non-functional - just power and TPMS diagnostics, nothing else.

Good news is that OVMS v3 is gonna include an OBDII ECU simulator. It will offer a OBDII port that supports OBDII dongles, HUDs, etc. The OVMS v3 talks to the car using that DIAG port, and then exposes a standard OBDII female port with an OBDII ECU simulated for things like speed, fuel consumption, etc. That should allow these things to work really well in the roadster.

Mark, you are simply the bomb. I am very excited for OVMS v3, especially since I was too late to the party to get v2. Love the idea of combining Navdy and OVMS to bring some modern tech to my Roadster, thank you for what you are doing!
 
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Reactions: Mark77a

markwj

Moderator, Asia Pacific
Apr 10, 2011
4,584
1,180
Hong Kong
The navdy somehow gets speed and G forces from the obvii port. Everything else works via Bluetooth from a phone connected. Works the way it should if you read through their site etc. no trade offs for it being a roadster vs any other car other than the gas monitoring not working ;)

I don't think so. Nobody has ever found anything on that roadster OBDII port of any substance. Certainly no OBDII ECU that would respond to standard PID requests.

Are you sure it is not using an internal accelerometer and GPS? Perhaps try it in a long tunnel and vary your speed? Or cover it in tin-foil ;-)

Those GPS huds are ok, but where I live (Hong Kong) it is all tunnels and overpasses so they mostly show the wrong speed.
 

hurd300403

Member
Jul 28, 2016
41
27
maryland
I don't think so. Nobody has ever found anything on that roadster OBDII port of any substance. Certainly no OBDII ECU that would respond to standard PID requests.

Are you sure it is not using an internal accelerometer and GPS? Perhaps try it in a long tunnel and vary your speed? Or cover it in tin-foil ;-)

Those GPS huds are ok, but where I live (Hong Kong) it is all tunnels and overpasses so they mostly show the wrong speed.

intersting - I'll test that out today! it definitely has it's own GPS chip built in and it sounds like it has its own g force sensor too (seems weird tho) I cant see a G force dash option, is this pulled over OBD?

still, navy works perfectly fine (can't remember the last time I went in a tunnel) on a roadster, which was my main concern being that the OBVII port essentially only provides power.
 

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