Arduino : How to Control Servo Motor With Potentiometer




About: Arduino, Raspberry Pi, esp8266, Tutorials, Projects

This instructable is the written version of my "Arduino : How To Control Servo Motor with Potentiometer" YouTube video that I've uploaded recently. I strongly recommend you to check it out.

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Step 1: Tutorial

Control the position of a RC (hobby) servo motor with your Arduino and a potentiometer.

*** I recommend! You not connect directly the servo motor to arduino. I suggest you use external power to the servo.

SG90 Mini RC servo motors can be used. This can damage the Arduino MG996 instant high torque.

MG996 Stall Torque: 9.4kg / cm (4.8V) - 11 kg / cm (6.0V) and Operating voltage: 4.8 ~ 6.6v.

I wanted to tell in this tutorial; connections, code generation and motor control. So I did not give more details about the engine.

Step 2: Hardware Required

Hardware Required

  • Arduino or Genuino Board
  • Servo Motor
  • 10k ohm potentiometer
  • hook-up wires
  • mini breadboard

Step 3: Circuit

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.

Step 4: Code

This example makes use of the Arduino servo library.

Step 5: If I Was Helpful

First of all, I would like to thank you for reading this guide ! I hope it helps you.

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9 Discussions


Question 1 year ago

could this work with a 22k ohm potentiometer as well?

Arjun Dhama 2

Question 1 year ago

i made it but to power the servo i used a bread board power supply module , it didnt work.If i plug in the servo to the board the power of the board is gone , the coding is correct


2 years ago

hi my friend I want to make an rc transmitter & receiver 4ch or more by using 2 arduino one send the positions of the servos and the second receive and output the pulses for each one and by the serial connection ..... any ideas ^_^ I will be thankful

4 replies

Reply 2 years ago

Thank you for your message. Could you give me some more details about the project?


Reply 2 years ago

I want to simulate an rc transmitter & it's receiver I'll us rf module to connect
in the first arduino we'll connect the 4 potentiometers and in it's code we'll send the tangle by the potentiometer reads to the specific servo and in this case we have to send two values for each servo first one is the tangle and the second one for witch servo we are moving
then we have 8 value to send so do you find this way food to build or you may have another way to program ...


Reply 2 years ago

so my friend any help ^_^