Hi there, I am a complete newbie so please bear with me. I did search for a solution but wasn't able to find anything. I purchased a Smraza Super Starter Kit for Arduino Uno with the goal of creating a sound activated photo flash trigger. So far in my project I can use the IR remote to select a de…

Newbie: How to close a circuit to cause photo flash to fire

MorganS April 20, 2019, 8:26pm 11

The optoisolator is like a switch. It does not output power.

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