Quote:
Originally Posted by wireties
The +5V can go through a simple resistor ladder. Unless we discount the laws of physics one can't get something greater than the 60PSI setpoint from a passive control circuit. And mechanical regulators move all the time, they are not impervious to the effects of vibration whereas the electrically controlled regulator basically is not.
I'm not a strong advocate here - just playing it out, exploring the tech. I posed a Q&A, we'll see what they say.
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Yeah, except we all know how electronics go wrong on our robots. Swarf, plugging things in wrong, nicked wires. The main regulator is supposed to be a safety valve for the pneumatic system, like one of the breakers in the PDP. Once the wiring is verified, it takes a fair bit of ingenuity to bypass one of those breakers. Even more to bypass them all. With the electronic regulator, I'd be concerned that you're significantly lowering the ingenuity level to bypass the main regulator.
But don't forget about the little details, that can (and will) come back to haunt you. - Ben Piecuch [more] 
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