Tag Archives: sound-trigger

Recommended Sound-trigger

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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