Control Position and Speed of Stepper Motor using Android Bluetooth App, A4988 Driver, & Arduino

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Project Description:
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In today’s episode, you will learn how to use the most popular A4988 Stepper Motor drivers and HC05 Bluetooth Module with Arduino to control the NEMA17 Hybrid Stepper Motors wirelessly using an Android cell phone Application designed in Android studio. The different parameters like the set position, limit, and speed are entered wirelessly which greatly reduces the hardware cost, as there is no need to interface touch screens and keypads. Using the Android App we can set the starting position of the stepper motor, enter 0 or 1 to set the starting position, when I press the set position button it moves the shaft of the stepper motor only 1 step at a time, if this thing annoys you, then you can also specify the exact position you want to move to, for which you will need to modify the program a little, for now, I will continue with only 1 step at a time, but don’t worry I will explain everything in the programming, so you will have no problem in modifying the code…After the starting position has been set, next you will need to enter the limit and speed. If any of these two parameters is missing the stepper motor won’t work. Limit sets the maximum number of steps, and you have full control over this, you can change this limit in real-time and the same thing applies to the speed. Speed is basically the delay time, the greater the number the slower the shaft rotates. Each time you enter a new value the buttons should be pressed to send the value to the Arduino board.

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Related Tags:
#Nema17StepperMotor
#StepperMotorApp
#StepperMotorSpeed&Position
HOW TO CONTROL SPEED AND POSITION OF THE NEMA17 STEPPER MOTOR
STEPPER MOTOR CONTROL USING ANDROID CELL PHONE APPLICATION
BLUETOOTH CONTROLLED STEPPER
WIRELESSLY CONTROL STEPPER MOTOR USING ANDROID CELL PHONE
STEPPER MOTOR A4988