Micro-controller needed for generating 3 independent random signals

I am doing an experiment in which I have to generate 3 independent random signals to pneumatic valves. I am looking for a micro-controller which can give these signals directly to the valves without the need of any accessories (Standalone device).

Thank you

Software alone will never be able to give you real random signals. It can give you pseudo random signals, based on a "seed" value to start with. But will always give the same sequence of "random" numbers if the "seed" is the same.

What type of "signals" do your pneumatic valves require?


What sort of signals? Digital or analogue? And in what respect are they random? Time or amplitude?

What is the interface to the valves? You will probably have to use a transistor or FET at the minimum.