"As you say it will always drift to some degree, how can it hold a position indoors without a GPS?
I saw such video online that somebody could fly it sturdy indoors.
Gravity is hard to say. How can I find the gravity in a quad?"
I made the quad with tarrot frame and pixhawk. Pixhawk was bought from 3DR. Hobbywing ESC and Sunnysky motor.Calibration seems ok on Mission Planner.But when I just only pulled the throttle and kept other stick untouched , the quad could not hold…
"Thanks. I had found the LIDAR on 3DR store yesterday. It's awesome thought it just make 40m. The doc said they will approach to 100m using laser the next step.
You may get the data from the sonar on your pilot board and send it to your ground…"
I want to use sonar to detect obstacles. But I found the sonar I could buy in my country only could detect meters away. It's frustrating. Anyone knows if there is some advanced sonar that could detect hundreds thousands meters away? Or maybe just…
Like Amazon Prime Air, carrying something needed and fly for more than one hour.I don't want to drop a lot of things that should be carried on the copter and make a extreme unuseful toy UAV to fly a longer time just to prove a longer flight time.I…