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Hi,

I would like to control relay module which activates LED transformer, when light sensor give right value. The main question is how to connect digital pin from arduino mounted to ASL shield to relay control pin? As I understand, 5V and GND I can use from output pins from ASL?

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Yes , its safe.

But please keep in mind that PIN 6,7,8 are occupied by SHIFT PWM master library, do not use them.

tnx.

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