RETIRED - SparkFun Inventor's Kit Experiment Guide - v4.0
This Tutorial is Retired!
This tutorial covers concepts or technologies that are no longer current. It's still here for you to read and enjoy, but may not be as useful as our newest tutorials.
View the updated tutorial: SparkFun Inventor's Kit Experiment Guide - v4.0
Joel_E_B 
Project 3: Motion
Tired of your cat walking all over the kitchen counter? How about the dog getting into the garbage? Need a way to stop your little brother from sneaking into your bedroom? Learn how to protect against all of these annoyances as you build a multipurpose alarm. The alarm detects distance and motion using an ultrasonic distance sensor, and creates motion using a servo motor.
New Components Introduced in This Project
Each of the components listed below will be described in more detail as you progress through each circuit.
- Servo Motor
- Ultrasonic Distance Sensor
New Concepts Introduced in This Project
Each of the concepts listed below will be described in more detail as you progress through each circuit.
- PWM Duty Cycle
- Arduino Libraries
- Objects and Methods
- Datasheets
- Digital Sensors
- Servo Mechanisms
You Will Learn
- How to control a servo motor
- How to use an ultrasonic distance sensor
- How to move objects using servo mechanisms