How to control 360 Servo with 3 push button switches
How to control 360 Servo with push buttons
This code control the 360 Servo with 3 push buttons (CW, CCW and STOP). Watch video for details.
Resources for this sketch
/*
* S05-13 Servo with 3 push buttons
* Demonstration of Controlling Continuous Servo (360 servo)
* this code allows you to control 360 degree servo using push buttons
*
* Modified by Ahmad Shamshiri for Robojax Robojax.com
* on Jan 17, 2019 at 22:42 in Ajax, Ontario, Canada
Watch the video instruction for this sketch: https://youtu.be/hVe4TSRV4ww
Watch Introduction to 360 Servo video with code: https://youtu.be/b_xvu6wWafA
You can get the wiring diagram from my Arduino Course at Udemy.com
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Original code by BARRAGAN <http://barraganstudio.com>
*
* Code is available at http://robojax.com/learn/arduino
* 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/>.
*/
#include <Servo.h>
Servo myservo; // create servo object to control a servo
// twelve servo objects can be created on most boards
int servoPin = 9;// this pin must be of those with PWM ~
#define STOPpin 3 // push button pin for STOP
#define CWpin 2 // push button for CW
#define CCWpin 4 // push button for CCW
int sc[]={106, 58, 0};// servo commands are in order
//CCW, STOP,CW
String scText[]={"CCW","Stop","CW"};// define texts for 3 action
int statusText;
int CWBS, CCWBS, SBS;
//CW button status (CWBS)
//CCW button status (CCWBS)
//stop button status (SBS)
void setup() {
Serial.begin(9600);
pinMode(STOPpin,INPUT_PULLUP);// set pin for push button STOP
pinMode(CCWpin,INPUT_PULLUP);// set pin for push button CCW
pinMode(CWpin,INPUT_PULLUP);// set pin for push button CW
myservo.attach(servoPin); // attaches the servo on pin 9 to the servo object
myservo.write(sc[1]);// send STOP command
statusText=1;// initial value is STOP
}
void loop() {
CCWBS = digitalRead(CCWpin);// read status of button CCW
SBS = digitalRead(STOPpin);// read status of button STOP
CWBS = digitalRead(CWpin);// read status of button CW
if(CCWBS ==LOW)
{
servoCommand(0);
}else if(SBS ==LOW)
{
servoCommand(1);
}else if(CWBS ==LOW)
{
servoCommand(2);
}
Serial.println(scText[statusText]);
delay(50);
}// loop
void servoCommand(int n)
{
statusText = n;
myservo.write(sc[n]);
Serial.print("Going to ");
Serial.print(scText[n]);
Serial.print( "(");
Serial.print(sc[n]);
Serial.println(")");
}