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Build Your Own Quadcopter: Power Up Your Designs with the Parallax Elev-8 by Donald Norris

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CHAPTER 8

GPS and a Real-Time Situational Display

Introduction

In this chapter, I will discuss a GPS-based location system that is easily carried aloft by an Elev-8 or other quadcopters with similar lifting capacity. The system will transmit its data to a ground station where the quadcopter’s position, speed, course, and altitude will be visible on a small display. The coordinates could also be entered into a laptop in order to display the quadcopter’s position in the Google Earth application. This system, together with the First-Person Video system described in the next chapter will be used to accurately determine the quadcopter’s location and to view the environment in real time.

GPS Basics

We will begin with a short history of the Global ...

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