SmartTronics
Published © Apache-2.0

Servo Motor Control with Potentiometer

Control the position of the Servo motor with the Arduino and the potentiometer.

BeginnerFull instructions provided1 hour5,689
Servo Motor Control with Potentiometer

Things used in this project

Hardware components

Arduino UNO & Genuino UNO
Arduino UNO & Genuino UNO
×1
SG90 Micro-servo motor
SG90 Micro-servo motor
×1
Rotary potentiometer (generic)
Rotary potentiometer (generic)
×1
Jumper wires (generic)
Jumper wires (generic)
×1

Software apps and online services

Arduino IDE
Arduino IDE

Story

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Schematics

Circuit

Code

Code

Arduino
#include <Servo.h>  // add servo library
 
Servo myservo;  // create servo object to control a servo
 
int potpin = 0;  // analog pin used to connect the potentiometer
int val;    // variable to read the value from the analog pin
 
void setup() {
  myservo.attach(9);  // attaches the servo on pin 9 to the servo object
}
 
void loop() {
  val = analogRead(potpin);            // reads the value of the potentiometer (value between 0 and 1023)
  val = map(val, 0, 1023, 0, 180);     // scale it to use it with the servo (value between 0 and 180)
  myservo.write(val);                  // sets the servo position according to the scaled value
  delay(15);                           // waits for the servo to get there
}

Credits

SmartTronics

SmartTronics

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