Back in early 2010, I post the article about how to make a smart optical slave flash trigger using Arduino prototyping system. Wyatt Olson of The Digital Cave has come up with a new design that uses plain AVR.

The circuits and programming codes are not the same but the working principles of both systems are very similar. The smart flash triggers can watch pre-flashes emitted by Nikon flashes and trigger dumb slave flash in sync with the main flash.

I am surprised that nothing like this seems to be on the market yet. It can be very useful for photographers who deal with complicated light setup that requires mixing of Nikon CLS system with third-party slave flash or strobes.

Slave Flash Schematic

Posted in: DIY Photography on November 23rd, 2011. Trackback URI
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