Hello everybody, I´m an Arduino-Rookie and need your help. What I want I want to use an Arduino Uno for highspeed photography. The Arduino should trigger a magnet valve and a canon DSLR per remote IR. The flash should be triggered by the camera self, there should be no direct connection between…

Electronic advice needed to setup Arduino Uno for highspeed photography

Grumpy_Mike May 23, 2012, 8:51pm 4

Note that R22 is not 22R. That resistor should be at least 100R (ohms) otherwise your arduino is being damaged as well as the opto isolator probably.

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