isClockWise registers the direction of the rotation and it is a control variable as well as newStepperParams. settings and prevSettings are for keeping track of the data sent by the master ESP32 board. maximumSpeed is for safety and defaultSpeed is for movements where steps per second are not specified. That’s why we need to also know the stepsPerRevolution. That maximum amount of volume can be pushed by the crank shaft linked to the stepper motor axle at half a revolution. The Stepper Motors therefore are manufactured with steps. Unlike a brushless DC motor, which rotates continuously when a fixed DC voltage is applied to it, a step motor rotates in discrete step angles.
Arduino stepper motor library full#
maxBVMVolume is used to determine the ratio between the received volume setting and this maximum volume possible. A Stepper Motor or a step motor is a brushless, synchronous motor, which divides a full rotation into a number of steps. stepperParams are of a size of 3 (steps to move, steps per second for inspiration, steps per second for expiration). homeSet, isHoming, isStopping are control variables to discern the current operation the stepper motor is engaged on. It would help you to better picture the project set up.īetween the lines 6 and 9 we assign the pin values. fzz file from here to take a look at the breadboard and schematic views. The fantastic and very well known AccelStepper library is used of course to control our stepper motor.ĭo not forget you can download the Fritzing.
We need the Wire library to be able to receive new settings via I2C from the master board ESP32, Arduino Nano being set up as a slave. Importing libraries, assigning values to constants and variables If you prefer to write your Arduino code in let’s say Visual Studio Code fzz file with breadboard and schematic viewsĪccelStepper library created by Mike McCauley and maintaned by Patrick Wasp ( waspinator github account)ĭroneBot Workshop YouTube Channel: Big Stepper Motors with Arduino
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