i’ve been looking at the specifications of the vex microcontrollers output in order to see what devices i can plug into the digital outputs without causing any damage to the microcontroller.
I do not have very much experience with electrical engineering, and would like some help clearing up some terms.
When the digital and analog outputs are mentioned they are specified as :
“As outputs these ports can drive an open circuit to 0.6v or lower for a low and 4.0 volts or higher for a high.
They can drive a 1 mA load to 1.6v or lower for a low and 3.0 volts or higher for a high.”
I assumed 1mA stood for 1 milliampere, a measured of current. From what i’ve tried to research about load, it has to do with the resistance and power consumption of the circuit attached to a voltage source.
Can anyone help clarify what is defined by load so that i may better interpret the micro-controller’s specifications?
Also, i am curious to know whether the devices attached to the microcontroller are wired in parallel or in series when they are plugged in and running. the specifications state that the microcontroller runs on 4 amps max for the motors. Does this mean that the motors are wired in parallel, and that a constant power output is applied to all the motors combined, and not individually?
thanks for any info electrically saavy people can provide