I’m in networking and still can’t wrap my head around this. How does changing some bits manages to physically move a hardware, be it small or big?
In: Technology
So it depends on what exactly you’re powering, and what your digital signal is coming from, but usually it’s digital output -> transistor to amplify signal -> moving electrons generate magnetic field -> magnet or coil physically moves.
You might use a solenoid to actuate an air or hydraulic valve. You might control a stepper motor or servo motor. to more directly control the motion.
Your signal source could come from a microcontroller, maybe 3.3 or 5v, or maybe an industrial controller with stronger output drivers that can drive a solenoid directly.
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