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In this lesson we learn how to use mini stepper motor 28BYJ-48 for our project. I am presenting with 8 projects so you can use it in almost any applicaiton. In the video, I have explained the code, shown full wiring diagram and how connect the wires, push buttons and bread board.
In Project 1 We simply control the motor to run and stop. The direction of rotation is set in the code as explained in the video.
//original source is http://www.geeetech.com/wiki/index.php/Stepper_Motor_5V_4-Phase_5-Wire_%26_ULN2003_Driver_Board_for_Arduino
// Update by Ahmad Shamshiri for RoboJax.com
// Published on March 27, 2017 in Aajx, ON, Canada.
* Lesson 107-2: Reading voltage from potentiometer and saving it on microSD card
In this lesson we learn how to use mini stepper motor 28BYJ-48 for our project. I am presenting with 8 projects
so you can use it in almost any applicaiton. In the video, I have explained the code, shown full wiring diagram and
how connect the wires, push buttons and bread board.
Project 1: Running motor (this code)
Project 2: Controlling stepper motor from Serial Monitor
Project 3: Controlling stepper motor using push button STPB-1
Project 4: Controlling using push button STPB-2 keep pressing
Project 5: One Revolution using push button STPB-3
Project 6: Push button Any Angle and speed STPB-4
Project 7: using multiple buttons to any angles STPB-5 angle, speed and direction
Project 8: Controlling stepper motor using potentiometer
* Watch Video instrution for this code:https://youtu.be/TQ7R2bY-MWU
*
* This code is part of Arduino Step by Step Course which starts here: https://youtu.be/-6qSrDUA5a8
*
* for library of this code visit http://robojax.com/
*
If you found this tutorial helpful, please support me so I can continue creating
content like this. Make a donation using PayPal by credit card https://bit.ly/donate-robojax
* * This code is "AS IS" without warranty or liability. Free to be used as long as you keep this note intact.*
* This code has been download from Robojax.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
int Pin1 = 10;
int Pin2 = 11;
int Pin3 = 12;
int Pin4 = 13;
int _step = 0;
boolean dir = true;// false=clockwise, true=counter clockwise
int count=0;
void setup()
{
pinMode(Pin1, OUTPUT);
pinMode(Pin2, OUTPUT);
pinMode(Pin3, OUTPUT);
pinMode(Pin4, OUTPUT);
}
void loop()
{
switch(_step){
case 0:
digitalWrite(Pin1, LOW);
digitalWrite(Pin2, LOW);
digitalWrite(Pin3, LOW);
digitalWrite(Pin4, HIGH);
break;
case 1:
digitalWrite(Pin1, LOW);
digitalWrite(Pin2, LOW);
digitalWrite(Pin3, HIGH);
digitalWrite(Pin4, HIGH);
break;
case 2:
digitalWrite(Pin1, LOW);
digitalWrite(Pin2, LOW);
digitalWrite(Pin3, HIGH);
digitalWrite(Pin4, LOW);
break;
case 3:
digitalWrite(Pin1, LOW);
digitalWrite(Pin2, HIGH);
digitalWrite(Pin3, HIGH);
digitalWrite(Pin4, LOW);
break;
case 4:
digitalWrite(Pin1, LOW);
digitalWrite(Pin2, HIGH);
digitalWrite(Pin3, LOW);
digitalWrite(Pin4, LOW);
break;
case 5:
digitalWrite(Pin1, HIGH);
digitalWrite(Pin2, HIGH);
digitalWrite(Pin3, LOW);
digitalWrite(Pin4, LOW);
break;
case 6:
digitalWrite(Pin1, HIGH);
digitalWrite(Pin2, LOW);
digitalWrite(Pin3, LOW);
digitalWrite(Pin4, LOW);
break;
case 7:
digitalWrite(Pin1, HIGH);
digitalWrite(Pin2, LOW);
digitalWrite(Pin3, LOW);
digitalWrite(Pin4, HIGH);
break;
default:
digitalWrite(Pin1, LOW);
digitalWrite(Pin2, LOW);
digitalWrite(Pin3, LOW);
digitalWrite(Pin4, LOW);
break;
}
if(dir){
_step++;
}else{
_step--;
}
if(_step>7){
_step=0;
}
if(_step<0){
_step=7;
}
delay(1);
}
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