How to power Arduino and some peripherals from a single source?

Hello, there are a few Arduino and one power supply at 5 volts. From it connected all the Arduino, through the usb port and several sensors. All this power to avoid the interference between the sensors and the Arduino? A separate PSU for each offer. 5V cable already laid.
July 9th 19 at 13:01
2 answers
July 9th 19 at 13:03
And then suddenly there will be interference?
Importantly, the source current drawn.
July 9th 19 at 13:05
If there is interference, Zapolarye all capacitors(ideally ceramic) directly from each consumer.

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