I am working with some project where i will use 6ch relay with NANO and some touch panels to switch lights. I am using nano as it is small enough to put it in a wall box but big enough to solder it. My eyes are not as it used to be.
The idea is to use two separate power adapters 5V/1A each. One to power nano, and one to power relay module. The module i bought is:
I will just connect digital pins with nano. Touch panels in case one might want to know:
I think all of this will work just fine, but i would like to here other thoughts.