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Archive for August, 2017
Posted by mike_kelly | Aug 25, 2017 @ 11:00 PM | 19,848 Views
Reviews:
Mini Pixhawks compared
Daya H4 680 Alien folding quadcopter
A cheap adroid tablet for APM/Pixhawk and Droidplanner 3 - Tower
Pixraptor Pixhawk clone with sensor suspension, a better pixhawk?
Pixhawk LITE, a replacement for the now obsolete APM boards?
Marek Rokowski Simple FPV Goggle Kit
Marek's 4.3" Goggle kit
Sony QX10

Discoveries:
The 3DR Solo is raised from the Dead by the Open Solo Project
Mounting a Gimbal
New Status display for Pixhawk replaces beeps and flashing lights.
InfraRed NIR Cameras and NDVI imaging for agriculture and research
Tarot weights and measures
The Ardupliot Project Developers: The people that make it possible
Linux based Flight Controllers
Evolution of an RC Enthusiast - in search of reliability - ZMR 250 Coaxial
Mini quad motor comparision RCX H1806 RCX1804 RCTimer 1806 DYS BE1806
Ultimate LRS - APM with long range control and telemetry
Tarot 680Pro Extended arms with ESC mounted in the ends
Broken Tarot Landing Legs
Tarot Quick Detach Propeller adapters TL68B35 TL68B36
Tarot TL68B33 Anti-vibration motor mounts
Troubleshooting APM flipping on new build
My Perfect Tarot Travel Case for 650 Sport 680 680PRO 690
Canon FPV Video AV cable for S100 G10 ELPH Powershot
Boscam TS321 RC302 Channel dip switch settings mystery
What's wrong with cheap props?

Projects:
FrankenSolo: Converting a 3DR Solo to UAVCAN
A new Tarot 680Pro hybrid with Daya H4 680 metal arm clamps
Blackout mini H as a training tool
My Take on a Ground Station
ZMR 250 X8 Octocopter! Coaxial Quads
Posted by mike_kelly | Aug 19, 2017 @ 10:00 AM | 22,228 Views
In this series of articles we have gotten a Pixhawk loaded with firmware and the basic setup done. Now before we go any further we really need to talk about troubleshooting problems that will arise. The primary tools to help troubleshoot the Pixhawk are it's logs. This is because you can turn on logging for almost every aspect of the Pixhawk. Without the logs your aircraft might suddenly fall from the sky and you probably would not have a clue why. Looking at the logs can give you the clues you need to discover your problem.

Pixhawk has two different logs.

Telemetry Logs and Dataflash logs.

Telemetry Logs:

T-Logs save the communication between the aircraft and the Ground Station when you have telemetry radios installed and in use. It is a recording of all the Mavlink messages sent between Misson Planner and your aircraft during flight. The logs are stored in C:/Program Files (x86)/Mission Planner/logs.

Mission Planner creates a different directory under "logs" for each aircraft you fly. The logs are dated so you can tell which one belongs to which flight.

It can get a little confusing because there are many different kinds of logs created. But here we are just talking about the t-logs.

In Mission Planner, on the Flight button and under the Heads Up Display (HUD) are a group of tabs. One of these tabs is labeled Telemetry logs. You can select "Load Log" and play back your flight to see all the same telemetry that was being displayed during the...Continue Reading