Trackday project Video Overlay - Chicagoland Sportbikes
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post #1 of 19 (permalink) Old 04-01-2007, 10:33 PM Thread Starter
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Trackday project Video Overlay

I just about finished my winter project for my track bike. I used a basic stamp2 OEM module/microcontroller from www.parallax.com and a video overlay chip (osd-232) from www.icircuits.com to display data from the motorcycle onto the video image from the bullet camera. Total cost for this is under $200. You might be able to do this cheaper if you can find a microcontroller that has graphic capabilities. Parallax has some propeller class chips but I haven’t worked with these.

I tapped into the rpm, speed, and neutral signals from the gauge cluster and ran wires to the rear of the bike. I also tapped into the rear brake light switch to display “BRAKE” when the brakes are applied. I also modded the RCA cables from the camera and ran them to the back of the bike along with power and ground feeds.

I still need to build or buy an enclosure and connect both the chip and overlay chip on a circuit board. Also the code for the gear display needs to be adjusted; it’s not that accurate right now. I need to get some footage from the track.

Future upgrades: attach a lap timer, and maybe an accelerometer??

Here’s a picture and a link to a video of the bike in the garage.
http://home.comcast.net/~wmalinowicz...eo_overlay.WMV

I’ll update this more, as it progresses.


Wally
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Nesba #73
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Last edited by NeedSpeed; 04-01-2007 at 10:42 PM.
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post #2 of 19 (permalink) Old 04-01-2007, 10:41 PM
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link to video is broken...but this sounds like a cool project.

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post #3 of 19 (permalink) Old 04-01-2007, 10:44 PM Thread Starter
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oops. just fixed it.

Thanks.

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post #4 of 19 (permalink) Old 04-01-2007, 11:03 PM

 
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Pretty neat. The Pridmore "Star Racing School" videos have something like this.

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post #5 of 19 (permalink) Old 04-02-2007, 07:27 AM
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Check out http://www.vdlmotorsports.com/ you may like their interface.

Looks like an awesome project. I'd be very interested in talking to you more about it when you are finished. I'd LOVE to be able to get overlays on the videos that I film for track days.

===========
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post #6 of 19 (permalink) Old 04-02-2007, 11:03 AM Thread Starter
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Thanks Brian for the link. I guess i'm reinventing the wheel. lol.
The VDL system looks excellent.
I'm not able to display graphics with my system ,just simple text ,but I built the overlay for a 1/10 the price and I'm using the factory sensors. I should have this all put together within 2 weeks. I'm more than willing to help anyone who wants to build thier own.

I was planning on going to BHF 4-14 if the weather looks promising. I had something like 5 trackdays last year where the track was either wet and cold or flooded out(autobahn).

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post #7 of 19 (permalink) Old 04-02-2007, 11:04 AM
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kick ass project!!!



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post #8 of 19 (permalink) Old 04-02-2007, 11:12 AM
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Wally, I'll be at BHF rain or shine.

I'd love to learn more about your solution. There are a couple of other text only overlay solutions as well, but none at the price that you are speaking of. I'd love to do that on my bike.

Here is my favorite overlay:


And a video of it in action: http://www.aimsports.com/video/policastro2.mov

WAY out of my price range.....

===========
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post #9 of 19 (permalink) Old 04-02-2007, 11:19 AM
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wow.. nice work Wally. No wonder you make the big bucks! How are you bro? Thought about racing again?

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post #10 of 19 (permalink) Old 04-02-2007, 11:43 AM Thread Starter
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wow.. nice work Wally. No wonder you make the big bucks! How are you bro? Thought about racing again?

Brian
Hey Brian,

I'm doing good, can't complain. Except for maybe making the big bucks. lol. How are you doing. Do you still have that 250?? I gave up on racing. Wasn't that good at it and didn't have the time or devotion for it.


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post #11 of 19 (permalink) Old 04-02-2007, 01:07 PM
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Wally,
yeah I still have it. Looks like this year may be my last year. Getting a bit burnt out on bikes in general. Maybe I'll catch you out on a trackday sometime. Are you doing Road America in July? I've got a USGPRU race that weekend so I might do nesba at RA then. talk to you later.

B
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post #12 of 19 (permalink) Old 05-23-2007, 09:52 PM Thread Starter
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Finally got this working. I've been sorta busy lately.

http://home.comcast.net/~wmalinowicz...eo_overlay.WMV


Can't wait till Road America on Monday

See you guys there.

Wally
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post #13 of 19 (permalink) Old 05-24-2007, 02:47 AM
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Nice work.

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post #14 of 19 (permalink) Old 05-24-2007, 05:42 AM
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Very nice I like it.

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post #15 of 19 (permalink) Old 05-24-2007, 07:35 AM
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only thing I would be worried about is the heat from those pipes!!! Otherwise, sounds great!!!
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post #16 of 19 (permalink) Old 05-24-2007, 07:54 AM
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Quote:
Originally Posted by NeedSpeed View Post
Thanks Brian for the link. I guess i'm reinventing the wheel. lol.
The VDL system looks excellent.
I'm not able to display graphics with my system ,just simple text ,but I built the overlay for a 1/10 the price and I'm using the factory sensors. I should have this all put together within 2 weeks. I'm more than willing to help anyone who wants to build thier own.

I was planning on going to BHF 4-14 if the weather looks promising. I had something like 5 trackdays last year where the track was either wet and cold or flooded out(autobahn).

Wally
Green/Black 04 R1
Nesba #73
+1 Wally, sounds like an awesome prjoject, put in on the list of people to help

I really want to d o something similar!

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post #17 of 19 (permalink) Old 05-24-2007, 10:52 PM Thread Starter
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Quote:
Originally Posted by mgentz View Post
only thing I would be worried about is the heat from those pipes!!! Otherwise, sounds great!!!
I was thinking the same thing. Hopefully it'll be fine.



Quote:
Originally Posted by AdrenalinJunkie View Post
+1 Wally, sounds like an awesome prjoject, put in on the list of people to help

I really want to d o something similar!
I'll try and post up a list of parts and websites of exactly what you need to do this yourself. The main thing is tapping into the speedo, tach, and brake line.

Here's a couple of picks of the speedo and tach signals on an oscilloscope. Once you get the frequency of the signals you program the microprocessor to display the corresponding rpm and mph on the screen. i.e. if sig1 = 100pulses/sec then display 1000rpm.
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File Type: jpg mph.JPG (12.6 KB, 3 views)

Last edited by NeedSpeed; 05-25-2007 at 12:56 AM.
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post #18 of 19 (permalink) Old 05-25-2007, 10:10 AM
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Wally, this sounds like an excellent idea. I'll talk to you at RA on Monday more about this. Besides the track, I also shoot footage during my sport-touring rides in the twisties and video overlay would be the best thing to add to those videos, instead of just trying to show the speedo/tach in the frame.

I'd love to somehow add in an overlay like a PIP for different views (like rider view and rear view, like MotoGP sort of) but I'd need multiple recording devices then... hmmm...

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post #19 of 19 (permalink) Old 05-25-2007, 11:00 AM Thread Starter
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Quote:
Originally Posted by Jammin View Post
Wally, this sounds like an excellent idea. I'll talk to you at RA on Monday more about this. Besides the track, I also shoot footage during my sport-touring rides in the twisties and video overlay would be the best thing to add to those videos, instead of just trying to show the speedo/tach in the frame.

I'd love to somehow add in an overlay like a PIP for different views (like rider view and rear view, like MotoGP sort of) but I'd need multiple recording devices then... hmmm...
Jay,

www.onbike.tv and www.hoyttech.com sell pip boxes. I've ordered some stuff from www.onbike.tv before. They seem to be more motorcycle related with thier products. The boxes cost about $300.

I'm not sure if we can build this ourselves cheaper, I'll look into it though.


Wally
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