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Nager.ArduinoStepperMotor

This project was developed to control a stepper motor smoothly and to adjust the speed during operation. Most of the libaries I tested at that time had an acceleration curve but always stopped when changing to another speed and then started again. There are two ways to communicate with the Arduino, one is via serial communication or by using a network module. If you have difficulties and the motor only whistles you should adjust the acceleration curve in the Arduino file.

Project Skier Simulator

Youtube Video
Watch the video on Youtube

A4899WiringDiagram Project2

Serial Commands (Baudrate 115200)

Command Description
enablemotordriver Enable the motor driver, the motor has voltage
disablemotordriver Disable the motor driver, the motor has no voltage
speed Values between -255 and 255
limitenable The motor can only move between the limits
limitdisable No limits active
setlimitleft Set the current position as left limit
setlimitright Set the current position as right limit
step Motor move one step
ramp Returns the current ramp
setramp Set a new ramp (setramp=0008000) rampIndex 0 -> 8000

Required Hardware

Quantity Product
1x A4988 Stepper Driver Control Expansion Board
1x UEETEK 4 Stück 1M Stepper Motor Cable HX2.54 4-pin to 6-pin
1x Usongshine Stepper Motor Nema 17 1.5A 17HS4401S
1x PChero Mechanic Endstop with LED Indicator

Test Software

For control via serial communication I have developed a small test application.

TestUI