At some point, Droidplanner changed name to Tower, and suddenly seemed 3DR services - an additional application.Beside the bloating of the phone/tablet with extra icons apps, , what good reason is…Continue
"-you dont' really want wifi onboard
-Iriddium provide better/smaller devices for serial data connection
-read the prices, then verify the *actual* datarates you experience, not the advertised best-case rates."
"the only one I know to be good is 3D Robotics, there may be others, but I stick to 3DR myself.
ESC must be able to handle the max current of a given motor, with a given prop-size, at a given voltage.
Use your motor's datasheet to find correct…"
"there is no such thing as APM 3.1 , except some cheesy lookalikes, (I don't even call them clones), you can expect bad or worse components, (maybe some IMU/magnetometer that did not pass quality control) and a lot of corner-cutting ,…"
"you can have that by using reciever's failsafe, program it with position for throttle(0%) and mode(stabilize) - and set THR_MIN so low that motors don't spin on arming.
Of course, "immediately" is clueless B.S. from whoever…"
"nobody can really say what you will get, the GPS may be ok, but the "clones" (should be named partial-clones) are missing power redundancy chip, have no IO buffer chips , or only one, when real Pixhawk have 4 , and are completely missing…"