2. Ultrasonic Module and Servo

In this section, you will learn how the servo works, how to make it turn to different angles. Then learn how ultrasonic works and how to get the distance value. Then learn the use of sonar with the combination of servo and ultrasonic.

• 1. Introduce Servo
• 2. Let Servo Rotate
• 3. servo.py Module
• 4. Introduce Ultrasonic Module
• 5. Detecting Distance
• 6. ultrasonic.py Module
• 7. Sonar Scanning
• 8. sonar.py Module