I want to design a robot with differents modules:
GPS, Soud detection, ping sensor, optical distance sensors, and more
To prevent battery discharge, I wonder if I could disable modules if they are not used.
To do that I think to use an I2C port extender driving some Mosfets
My source current comes from a 7805, so max 1A to share. No need big mosfet
So my questions are: