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 JSR Intervalometer. Bulb Ramper and Motion Controller 
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Joined: Thu Nov 03, 2011 3:35 am
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Location: Manchester UK
Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
Muemoon wrote:
apsphoto wrote:
A board and parts list would be fine by me. I have built and soldered several arduino's and controller boards, a couple of motor controllers, so I think I can handle that part...

Thanks,
Alan

+1

+2

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Thu Dec 06, 2012 7:46 am
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Location: Munich, Germany
Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
also seen it too late... i would love to buy one if you go for another run :)

Thx & best regards
Sebastian.


Sun Dec 30, 2012 5:30 pm
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Joined: Mon Aug 27, 2012 7:48 am
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Location: Winnipeg, MB
Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
Hi all,

I have put together a parts list and build notes for those who want to build their own JSR Intervalometer. Details at http://jsrintervalometers.blogspot.ca.

Price will be $40 + $4 S&H.

Additional parts you will need to get should be <$30.

email or pm if interested.

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Sat Feb 23, 2013 10:49 am
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Location: Bern, Switzerland
Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
Hey John, great job!

I just ran into your website and the JSR Bulb Ramper Shield for Arduino.

Have you tried it with Chronos - or has anyone else? And how were the results?

Awesome work, I gotta order one of these!

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Sat Mar 23, 2013 6:07 am
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Joined: Sat Apr 21, 2012 10:16 am
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Location: Long Beach California
Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
+3 ;) :!:
for the JSR Bulb Ramper for Arduino
looks simple and not too much for soldering.
the most parts are in the schematic, optocopler , transistor .... no problem (i have left from different projects )
only i don't can find the lcd display with the rgb background led's @ pin 16,17 and18 . this lcd display its a parallel or a I²C, RS232, TTL display :?: i think its the parallel .
i like to work on my own like the Chronos from Chris. :)
so i have therapy in the garage :D :D

Dirk


Tue Mar 26, 2013 9:22 pm
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Location: Winnipeg, MB
Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
Hi,

The screen for the Bulb Ramper Shield uses a parallel interface.

The actual part number I use is NHD-0216K1Z-FS(RGB)-FBW-REV1-ND at digikey, but any HD44780 lcd will work, even if it is single color.

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Wed Mar 27, 2013 11:34 am
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Joined: Sat Apr 21, 2012 10:16 am
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Location: Long Beach California
Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
Thanks John

Now i have new Project.
:-)

1 question
i will use this with the Chronos and how its synchronicit for you Ramper dond send a pulse to the cam ( to take the Picture ) wen its stil moving the choronos? how your Ramper wow hi need to wait ?
O.K i can measure the moving time and i put the time + 1 sec in. only wen the bulb time gos longer i have problem.
i hope your understand what i mien.

Dirk


Thu Mar 28, 2013 8:29 pm
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Location: Winnipeg, MB
Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
Hi,

I see what you mean. If there's not enough time between pictures then it can open the shutter while Chronos is still running.

To solve this problem, you can set the Buffer time (set on page C4) higher than the time it takes Chronos to move. If it takes your motion system 1 second to move, then set the buffer time to 1.5 seconds.

The longest exposure is the interval time - buffer time, so if you have an interval of 12 seconds and a buffer time of 1.5 seconds, the longest exposure will be 10.5 seconds.

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Thu Mar 28, 2013 9:32 pm
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Joined: Sat Apr 21, 2012 10:16 am
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Location: Long Beach California
Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
thanks John

the C3 focus trigger on pin D7 works like weak up for sleeping canon's? in the program your put the shutter and focus together high and low in case c3 its on
for sleeping canons have to be on and for not sleeping cams off ? because the Focus i have in manual.



Dirk


Sat Apr 13, 2013 7:25 pm
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Location: Winnipeg, MB
Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
If focus is set to manual you don't need the focus trigger. It will however, wake up the camera whether it is on MF or AF.

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Sun Apr 14, 2013 12:45 pm
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Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
Hi, I got mine today and its up and running. :D
I am getting the continuity check on the hot shoe cable (the shutter is firing). I'm using a Pixel TF-321 hot shoe adapter on a Canon T4i in bulb mode for test purposes. Is the Pixel TF-321 known to work? If so, are there any settings on the camera that would need to be set for the hot shoe to work?

Thanks,
John


Mon Apr 15, 2013 2:57 pm
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Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
Try connecting the hot-shoe cable without the extension. I've just noticed that some of the extension cables I have are faulty.

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Mon Apr 15, 2013 3:52 pm
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Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
Actually I wasn't using the extension cable. I read on another site that the Pixel hot shoe may not be wired correctly for this purpose.

I just did a continuity test on the Pixel TF-321 and it doesn't appear that the center from the round wire connector is connected to any pins on the top or bottom of the hot shoe adapter. No wonders why it says the cable is bad. Any suggestions on a good source for a hot shoe adapter that works?


How about this one?
http://www.promotesystems.com/products/ ... t-Kit.html

or these:
http://www.amazon.com/s/ref=sr_nr_n_0?r ... 2941120011

Thanks


Mon Apr 15, 2013 4:37 pm
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Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
FYI - I purchased a different hot shoe adapter and everything works now with the JSR Bulb Ramper.


Thu Apr 18, 2013 6:48 am
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Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
Hi all,
I have an Original JSR Intervalometer for sale on ebay.

http://cgi.ebay.ca/ws/eBayISAPI.dll?Vie ... 1095270604

I'll probably have another one in a couple weeks once I round up enough parts to finish it.

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Mon Apr 22, 2013 7:58 am
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Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
I just bought a new camera (Canon D6) and I now need the Canon N3 Adapter for the JSR Bulb Ramper Shield for Arduino as shown here:

http://jsrintervalometers.blogspot.ca/p/buy-it-now.html

I tried making a 2.5mm female to 3.5mm male adapter to go between a Canon N3 adapter I already have and the JSR unit. However the JSR says cable connection error even though it fires the shutter and reads some value from the hot shoe before showing cable connection error. I wired the adapter so that all the contacts of the connector are wired the same. Since that did not work, does anyone know how this should be wired for connection to the Canon D6.

Also I need a adapter for connection to the MX-2 (2.5mm female to 3.5mm male) like the one on the same buy-it now page. Should that be wired straight through or some other way?

Thanks


Sat May 04, 2013 11:43 am
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Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
Hi, if you mean you have the Canon 6D (rather than the D6) then there is a note on the blog that should be of interest:
Quote:
Note for users of the Canon 6D:
It appears that the Canon 6D has a different bulb mode, which makes it difficult to achieve accurate shutter speeds. Under normal settings, it appears to make each photograph 78 milliseconds longer than desired. This can be partially alleviated by setting the x-time (page C8) to approximately 64ms. The shutter speed will then be approximately 14 milliseconds longer.


As for your wiring problem, they should be all "straight through" as in the tip to tip, ring to ring, and sleeve to sleeve. If you accidentally have some wires crossed you might be able to get by if you turn on the focus (page C3).

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Sat May 04, 2013 4:04 pm
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Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
John_S wrote:
Hi, if you mean you have the Canon 6D (rather than the D6) then there is a note on the blog that should be of interest:
Quote:
Note for users of the Canon 6D:
It appears that the Canon 6D has a different bulb mode, which makes it difficult to achieve accurate shutter speeds. Under normal settings, it appears to make each photograph 78 milliseconds longer than desired. This can be partially alleviated by setting the x-time (page C8) to approximately 64ms. The shutter speed will then be approximately 14 milliseconds longer.


As for your wiring problem, they should be all "straight through" as in the tip to tip, ring to ring, and sleeve to sleeve. If you accidentally have some wires crossed you might be able to get by if you turn on the focus (page C3).


Hi, I got it working with the Canon 6D.

Thanks,
John


Sun May 05, 2013 6:42 am
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Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
I don't have a JSR ramper yet, though I'm interested in getting resp. building one sooner or later. How did you manage to make it work?

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Sun May 05, 2013 6:54 am
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Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
fabians.ch wrote:
I don't have a JSR ramper yet, though I'm interested in getting resp. building one sooner or later. How did you manage to make it work?


It was a stupid mistake, I had been testing the JSR ramper with a Canon T4i for a while so I had a good idea how it was working. When I connected up the Canon 6D with the cable I made I forgot to set the 6D to bulb mode. :roll:

I do like how you set bulb mode on the 6D, just turn the mode dial to bulb. This is much better than the T4i.


Sun May 05, 2013 7:17 am
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Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
Oh alright, that's good news then :)

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Sun May 05, 2013 7:27 am
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Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
Hi John,

I'm itching to get into the world of timelapse photography and astrophotography. I am also currently a Canon 60D user and loving it

I stumbled across your blog tonight and this forum thread and I am loving what I see...

Would you ship to South Africa? If so, any guestimates on what it would cost?

Looking forward to hearing from you...

Brad


Tue May 28, 2013 2:32 pm
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Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
Hi,
Shipping to South Africa is 10.50 and will be included at checkout.

Regards,

-John

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Tue May 28, 2013 4:41 pm
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Post Re: JSR Intervalometer. Bulb Ramper and Motion Controller
I have a brand new, un-used JSR intervalometer for sale if anyone is interested $200.

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Wed Jul 24, 2013 12:03 pm
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