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

Published September 8, 2019 © Apache-2.0

Servo Motor Control with Potentiometer

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

BeginnerFull instructions provided1 hour73,273

Things used in this project

Hardware components

Arduino UNO

SG90 Micro-servo motor

Rotary potentiometer (generic)

Jumper wires (generic)

Software apps and online services

Arduino IDE

Story

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

Required HardwareArduino BoardServo Motor10k ohm PotentiometerJumper WiresMini Breadboard

Servo motors have three wires: power, ground, and signal. The power wire is typically red, and should be connected to the 5V pin on the Arduino or Genuino board. The ground wire is typically black or brown and should be connected to a ground pin on the board. The signal pin is typically yellow or orange and should be connected to pin 9 on the board.

The potentiometer should be wired so that its two outer pins are connected to power (+5V) and ground, and its middle pin is connected to analog input 0 on the board.

I recommend! You not connect directly the servo motor to the Arduino. I suggest you use external power to the servo. SG90 Mini Servo motors can be used.

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Code

Code

#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

Alfa

32 projects • 68 followers

Servo Motor Control with Potentiometer

Things used in this project

Hardware components

Software apps and online services

Story

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

Schematics

Circuit

Code

Code

Credits

Alfa

Comments

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Servo Motor Control with Potentiometer

Servo Motor Control with Potentiometer

Things used in this project

Hardware components

Software apps and online services

Story

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

Schematics

Circuit

Code

Code

Credits

Alfa

Comments

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