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.
|
You can't exceed the desired voltage from a
properly operating passive circuit. However, it's not a fail-safe. You can't ignore the potential loss of the ground connection going to the bottom of the resistor ladder, or the potential shorting of the "top" resistor.