Connect the Green wire from the signal wire of the potentiometer (pin 2) to pin A0 on the Arduino. Then, connect the servo motor to +5V, GND and pin 9.įor the Sweep example, connect the servo motor to +5V, GND and pin 9.Ĭontrolling a servo position using a potentiometer (variable resistor). Arduinos pin A0 to A5 can work as analog input. Servo Motor Potentiometer Jumper Wires Optional Breadboard Add Tip Ask Question Comment Download Step 2: Potentiometer Connections 1a Connect the Grey wire from the VCC pin of the potentiometer (pin 1) to the 3.3V pin on the Arduino. Knob Circuitįor the Knob example, wire the potentiometer so that its two outer pins are connected to power (+5V) and ground, and its middle pin is connected to A0 on the board. The signal pin is typically yellow or orange and should be connected to PWM pin on the board. The ground wire is typically black or brown and should be connected to a ground pin on the board. The power wire is typically red, and should be connected to the 5V pin on the Arduino board. Servo motors are used in applications where precision movement is required, such as in robotics. Servo motors have three wires: power, ground, and signal. Project 1: Control a servo motor with a potentiometer. You can also visit the Servo GitHub repository to learn more about this library. The second example sweeps the shaft of a RC servo motor back and forth across 180 degrees. The first example controls the position of a RC (hobby) servo motor with your Arduino and a potentiometer. In this article, you will find two easy examples that can be used by any Arduino board. The Servo Library is a great library for controlling servo motors. In this project we’ll see how to drive a servo motor using a potentiometer.
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