Hello, I am very new to Arduino, and really I am doing the hardware side of this project with my son. I am trying to get a circuit built but its best performance is when the processor output is a ground-side control. This is similar to automotive applications of processing modules. They provide the …

Ground-side switch output?

system April 18, 2014, 12:33am 4

They provide the ground to turn a component on.

If you don't mind, can we henceforth refer to this process as SINKING CURRENT (for a device) ?

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