"GCS - Ground Control Station
FW - Firmware
If you ever have troubles with a board one of the first things to do is reload the latest firmware.
You will do this from your Ground Control Station being something like APM Planner or Mission Planner…"
"It means exactly what it says.
The Gyros are not healthy.
I once bought a HK clone and it came up with that message.
If you left it sitting while plugged into the GCS, the artificial horizon would move on it's own. Slowly at first but…"
"Both those 2 things : Obstacle avoidance no1 and Optical Flow with distance awareness would be no2.
More than 2 units per machine, ie: forward AND down.
Ability to feed stereo vision to video goggles for 3D FPV.
my 2 "
"whenever I had a misbehaving board I would reburn the firmware.
in 90% of cases this solved the issue.
Also look closely for any slipping props or anything mechanical, alignment, weight balance.
Also if the legs dig in and grip while trying to take…"
"Same here, but I also wanted to use terminal to change the logging.
Seems you can only do that through changing the log bit mask now in the full parameter list.
There is a log download and graph facility in the Flight Data window.
It uses Mavlink to…"
"The heart of any modern gimbal is the controller, which these days is usually the open source Alexmos or similar variants.
These can be had for around $45.
Next you want 2 (for a 2 axis) very low Kv brushless motors, usually sold as gimbal motors.…"