Arduino Servo Motor Voltage

Learn how to use potentiometer to control servo motor.

Arduino servo motor voltage.

The servo motor has a female connector with three pins. This shaft can be positioned to specific angular positions by sending the servo a coded signal. Arduino servo motor a servo motor is a small device that has an output shaft. Say at 4 8 5v it can give up to 14 15 kg cm.

On boards other than the mega use of the library disables analogwrite pwm functionality on pins 9 and 10 whether or not there is a servo on those pins. To control the servo motor we will be using the servo h library which comes pre installed with the arduino ide. Connect to the motor to the arduino as shown in the table below. Servo motor with arduino example code.

Servo red wire 5v pin arduino. The darkest or even black one is usually the ground. A servo motor has everything built in. Image of servo motor.

A voltage divider potential divider are resistors in a series circuit that scale the output voltage to a particular ratio of the input voltage applied. Following are the steps to connect a servo motor to the arduino. The potentiometer gives the analog input to the arduino that is stored in a variable to which it is mapped. With the example code below you can control the exact position of the servo motor and it also includes code to sweep the servo arm back and forth automatically.

Using this mapping we can control the servo meter by adjusting the voltage of the potentiometer. The servo motor used here has 17 kg cm torque this is its max. A motor a feedback circuit and most important a motor driver. The servo library supports up to 12 motors on most arduino boards and 48 on the arduino mega.

However this torque varies with supply voltage. Connect the pwm signal pin of the servo motor with the 9the pin of arduino. The detail instruction code wiring diagram video tutorial line by line code explanation are provided to help you quickly get started with arduino. Servo yellow wire pwm 9 pin arduino.

Do not try to rotate the servo motor by hand as you may damage. If you will use high voltage battery and you want give power to arduino with same power source you need to put a 7805 voltage regulator in and make a parallel circuit for that too. Servo brown wire ground pin arduino. It just needs one power line one ground and one control pin.

Like this you can add as many servo motors as you want. Torque rating at 6 6v. Image of arduino mega 2560.