I do know that i can control the max and min PID output, as to limit my stepper motor movement, but yet to know how to make it as an input for my stepper motor. This pin determines the direction of motor rotation. This will either be 0-5V or 0-3.3V, based on the logic selection. Direction and size of step is controlled by DIR and MSx pin settings. initialize the variables we're linked to Any transition on this pin from LOW to HIGH will trigger the motor to step forward one step.
PID myPID(&Input, &Output, &Setpoint, Kp, Ki, Kd, DIRECT) Specify the links and initial tuning parameters Define Variables we'll be connecting to * Reading analog input 0 to control analog PWM output 3 This might be the thing that i need, but still i don't know how to make the output of this library to be the input of my stepper motor. I also has downloaded accelstepper to help me control the motor, and so i know that i can control the motor by using mystepper.step (number of steps), am i able to use this variable to be the output of the PID library ? from what i know, stepper motor needs 2 pins as their input, which is the Pulse pin, and the Direction pin. I've read some PID libraries, but it states that i need to define only 1 pin as an output. i would need some PID as to make my valve able to control the flow proportionally. the input would be temperature from a thermocouple. I am attaching a stepper motor to a valve to control steam flow.
I am new in coding or even arduino overall, and so i need help to write my code
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