Page 13 - Build Your Own Quadcopter_ Power Up Your Designs with the Parallax Elev-8

xii C o nt e nt s

Complete GPS Systems ....................................... 216
Portable Display ....................................... 222
Mounting the Transmitter XBee Node .................... 225
Moving Map System ......................................... 227
Monitoring the Quadcopter Position with
the Google Earth Application ......................... 227
Summary ................................................... 230

9 Airborne Video Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Introduction ................................................. 233
GoPro Hero 3 Camera System ................................. 233
Hero 3 WiFi-Range Test ................................ 241
Ground Station .............................................. 243
Economy Video System ....................................... 244
Post-Processing Software ..................................... 248
RoboRealm ........................................... 248
Field Test of the RC310 System with Post Processing .............. 256
Higher Resolution Test Image ........................... 257
Geotagging GoPro Hero 3 Photos .............................. 260
Geotag Test Run ....................................... 261
Summary ................................................... 268

10 Training Tutorial and Performance Checks . . . . . . . . . . . . . . . . . . . . . 269
Introduction ................................................. 269
Developing Fundamental Quadcopter Piloting Skills ............. 269
The Trainer Cable ............................................ 274
Running the SIM ............................................. 275
The Buddy Box .............................................. 277
Wireless SimStick Pro ......................................... 278
Performance Measurements ................................... 279
Determining Maximum Payload ......................... 279
Test Results ........................................... 283
Kill Switch .................................................. 284
Estimating Flight Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285
Summary ................................................... 286

11 Enhancements and Future Projects . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
Introduction ................................................. 289
Position Location and Return to Home Operation ................ 289
Electronic Compass Module ............................. 290
Computing Path Length and Bearing Using
Latitude and Longitude Coordinates ......................... 297
Computing Longitudinal Length ......................... 299
Computing Bearing .................................... 301
Return-to-Home Flight Scenario ............................... 303
Swarm or Formation Flying ................................... 304