Quote:
Originally Posted by gbeal
Blimin' heck, cheers guys, so slick and I am bursting with ideas now. Bojan, sorry mate, but the electricSpeak is a tad above me, basic as it is to someone that knows.
I think the first port of call is to try the JayCar solution and see.
Open to any others though.
Thanks again,
Gary
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Jaycar solenoid is OK (easier than fiddling with relay mechanicals) , but you still have to interface it to your intervalometer, and for this you need transistors.
The intervalometer is NOT design to drive such relay directly - it just provides short from 5V to ground, and resulting currents should not exceed 5mA.
Maybe you need relay driver with digital input - If I dig something, I will let you know.