![]() ![]() The library comes pre-installed in the Arduino IDE removing the need for us to download and install. The library makes it easy to turn the servo at different angles using a single command. The code for this project is quite easy thanks to the very comprehensive and concise servo.h library developed by the Arduino team to facilitate the use of servo motors in Arduino projects. With the connection all done, we can now proceed to write the code for the project. ![]() Servo directions are sent from the microcontroller to the servo motor as PWM pulses. The signal pin was connected to the digital pin 8 of the Arduino because it is a PWM pin. Since we will be using just one servo in this tutorial its fine to power it with an Arduino. Servo’s have high current requirement so when using more than one servo motor with the Arduino, it is important to connect their power connections to an external power supply as the Arduino may not be able to source the current needed for the servo. ![]() The signal pin is used to control the servo motor, turning its shaft to any desired angle.įor this tutorial, we will be using the popular SG90 servo motor and our goal will be to rotate the servo motor from one end to the other. For the sake of control, unlike normal DC motors, servo motors usually have an additional pin asides the two power pins ( Vcc and GND) which is the signal pin. Servo motors have a geared output shaft which can be electrically controlled to turn one (1) degree at a time. Servo motors are high torque motors which are commonly used in robotics and several other applications due to the fact that it’s easy to control their rotation. This tutorial is ideal for beginners because it is easy and it gives them the foundation to build interesting projects like robots for which servos are commonly used. Hi guys, today, I will show you how to use a servo motor with an Arduino. ![]()
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