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barnack-bill



Joined: 29 Mar 2016
Posts: 36

PostPosted: Sun Apr 15, 2018 11:32 am    Post subject: Left Clicking Reply with quote

I recently bought a wemacro rail which works well with my Sony camera but was a bit inconvenient with my digital microscope. The digital microscope software takes a picture when a screen button is clicked. I found that this tended to cause vibration, better if I could stand away from the table . Also it was tedious on a large number of steps.

So I knocked up a simple pcb.




Actually it is a true Cap’n Bodge-it job. Just an old USB mouse board with a 2.5mm jack plug soldered across the LH mouse microswitch. Windows doesn’t mind an extra mouse, it just takes the command from the most recent event so I can point the real mouse’s pointer at the screen button and let this board do the clicking under control from the wemacro controller. I’ll disable the LEDs and put it in a little project box sometime.


One lead plugs into the wemacro controller and the other into a usb port and it works perfectly.

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Pau
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Joined: 20 Jan 2010
Posts: 4345
Location: Valencia, Spain

PostPosted: Sun Apr 15, 2018 11:47 am    Post subject: Reply with quote

A clever idea!

It could also be implemented to fire a DSLR like a Canon EOS when tethered to the computer
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Saul



Joined: 31 Jan 2011
Posts: 1130
Location: Naperville, IL USA

PostPosted: Sun Apr 15, 2018 11:52 am    Post subject: Reply with quote

Thank you, I hope now my Nikon 1 J4 (which has no remote input or infrared, wifi only) will work with DslrDashboard/WeMacro !
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Saul
Studio, horizontal and field setups
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mawyatt



Joined: 22 Aug 2013
Posts: 1431
Location: Clearwater

PostPosted: Sun Apr 15, 2018 12:07 pm    Post subject: Reply with quote

Very clever Very Happy

I would think we all have lots of old mice hanging around, seems you could do same with old wireless mouse also??

Best,
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Research is like a treasure hunt, you don't know where to look or what you'll find!
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barnack-bill



Joined: 29 Mar 2016
Posts: 36

PostPosted: Sun Apr 15, 2018 2:07 pm    Post subject: Reply with quote

I don't see why not. The connections to the jack plug are body = earth (ground); ring (autofocus) not used, earthed within controller; tip = switch wire.

At your own risk if you try it!
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ChrisR
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Joined: 14 Mar 2009
Posts: 7715
Location: Near London, UK

PostPosted: Sun Apr 15, 2018 2:58 pm    Post subject: Reply with quote


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rjlittlefield
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Joined: 01 Aug 2006
Posts: 18910
Location: Richland, Washington State, USA

PostPosted: Sun Apr 15, 2018 4:05 pm    Post subject: Reply with quote

Probably a good idea to measure first, to make sure that everything's "ground" is really the same. It's easy to get off by a few volts here and there.

--Rik
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barnack-bill



Joined: 29 Mar 2016
Posts: 36

PostPosted: Mon Apr 16, 2018 10:49 am    Post subject: Reply with quote

I agree though on investigation I think the Wemacro shutter switch is a pair of clean contacts from a physical pcb relay and the body of the jack plug should be called 'common' rather than 'ground'.
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