Tag Archives: ef

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Gooef, Eco-Friendly and Green Search Engine Launched!

We just launched Gooef.com, an eco-friendly and green search engine over at Keetsa.com.  If you are into eco-friendly stuff, try typing in something like, “gadgets” and you will get a nice list of eco-friendly and green gadgets.

I know, the name sounds kinda goofy but the “ef” actually stands for “eco-friendly”.

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DIY HACK – Sound Trigger Circuit for High Speed Photography

Wow, check out this cool sound trigger circuit DIY for High Speed Photography!

The general use is quite simple: setup a noisy event to trigger the flash. Since I am using the Sigma EF-500 Flash, which have an internal “dumb slave”, I activate a led to tell the flash when to fire. A more general solution can be found

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