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Shutter Release ??   Message List  
Reply | Forward Message #18534 of 18549 |
I want to trigger the shutter of my 990 from a relay controlled by a computer.
I have a spare USB to 990 cable that I can hack. Could someone point me to the
pinouts of the 990 and the protocol for tripping the shutter.

If I can get it going I will post a link to my site where you can see the
finished project.

Many thanks in advance,

Bill
On a bayou in Mississippi
Wed Sep 16, 2009 11:19 am

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bmcgown...
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Forward 		Message #18534 of 18549 |
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I want to trigger the shutter of my 990 from a relay controlled by a computer. I have a spare USB to 990 cable that I can hack. Could someone point me to the... 		bmcgown@...
bmcgown...
Online Now Send Email 		Sep 16, 2009
11:20 am

You can do this without hacking hardware, using software connected via the USB to 990 cable: http://www.charliex.net/cpix/cpix.htm As I recall, you need to...
Mike Russell
geigymeister
Offline Send Email 		Sep 16, 2009
11:35 am

Mike, Many thanks for the speedy reply but I donąt see how that is going to help me trigger the shutter of my 990 from a relay controlled by a computer. This...
W. P. McGown
bmcgown...
Online Now Send Email 		Sep 16, 2009
12:22 pm

... Try these guys - https://www.harbortronics.com/ They have products that communicate with the 990 via the serial port and accept relay closures as trigger...
Robert Stanton
rstanton1947
Offline Send Email 		Sep 16, 2009
1:01 pm

Right, I have one of their boxes ‹ great product and highly recommended. But I am trying to Śroll my owną and need the pinouts and protocol for tripping...
W. P. McGown
bmcgown...
Online Now Send Email 		Sep 16, 2009
1:11 pm

If you don't mind hacking into your 990, the shutter release is controlled by two switch closures - one for prefocus, the other to trip the shutter - on the...
Mike Russell
geigymeister
Offline Send Email 		Sep 16, 2009
4:06 pm

Actually, I really want to do it via the cable. Does anyone know where I can find the pin out of the cable connector? Many thanks Bill...
bmcgown@...
bmcgown...
Online Now Send Email 		Sep 17, 2009
2:03 am

its a serial protocol, its been a while since i played around with my 990 but you either hook up the serial connector cable, which is what the mc-eu1 remote,...
Charlie Wallace
charliewallacex
Offline Send Email 		Sep 17, 2009
3:45 am

I got a cable by accident. I was trying to get one for my cp4500. want it? ... From: Charlie Wallace To: coolpix990@yahoogroups.com Sent: Wednesday,...
Glenn Buckholtz
ggbflorencecat
Offline Send Email 		Sep 17, 2009
11:26 am

Hi, I made a cable release for the 990 ages ago using a PIC16F84A microcontroller. Here is a link to my project and another link to someone else who made it ...
Felicity & Bruce Gentle
bruce_gentle
Offline Send Email 		Sep 18, 2009
9:02 pm

Bruce;   What a great "Hit" was your post on this end.  It is EXACTLY what I am trying to do -- get the 990 under microcontroller control.  In my case it is...
William McGown
bmcgown...
Online Now Send Email 		Sep 18, 2009
9:51 pm
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