Saturday, April 8, 2017

Nikon D750 Remote Camera Trigger #celebratephotography

from Nikon D750 Remote Camera Trigger #celebratephotography
by Stephanie

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From maxx99 on Instructables:

Here is a simple Optoisolator Circuit (also known as an Optocoupler) that I use for my Nikon D750 camera, for an external remote Digital Shutter Trigger on my Camera’s Power Slider.

It is highly recommended that you isolate your Camera’s Trigger Control Circuit from any external voltage, even an Arduino!!! The only way to efficiently and effectively do this is via an Optical Isolation Circuit!!!

R1 and R2 are Current Limiting Resistors in this circuit and are designed for the 4N25 Phototransistor Optocoupler, driven from a Digital Logic CMOS Buffer IC, powered by a 12v Power Supply (I use a 12v Batt. for remote shoots to power my camera slider and the logic that controls the slider).

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We #celebratephotography here at Adafruit every Saturday. From photographers of all levels to projects you have made or those that inspire you to make, we’re on it! Got a tip? Well, send it in!

If you’re interested in making your own project and need some gear, we’ve got you covered. Be sure to check out our Raspberry Pi accessories and our DIY cameras.

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