entropia666's Discussions

Android Tower: how to show the altitude in the main screen?

I'm sorry this is probably a very stupid question, but I couldn't figure it out...

How to show the altitude in the main screen? I can only see the climb rate (hs m/s).

Thank!

Started by entropia666

Flutter Active control demonstrator for didactic purposes

Hello everyone,

We are three lecturers on aeroelastic and flight control law.

We are working on a small wing profile attached to to demonstrate to the student the principles of modal identification, flutter stability and flutter active control.

The mod

Started by entropia666

Clarification for external GPS+compass unit

Hi,

I own the APM 2.0, the one with internal Mediatek GPS.

I bought this:

http://www.rctimer.com/product-1217.html

I successfully plugged the external gps by soldering the pins 2 and 3.

Now I want to use also the external compass, but the instructions are

Started by entropia666

Loiter problems and others (logs attached)

Hello everyone,
I've recently started playing again with my APM 2.0 (with mediatek GPS) equipped custom frame.
I've flashed Arducopter 3.2 (c8e0f3e1).
Now I encounter several issues, I will list them all:

1) When I switch to loiter (is it the equiva

Started by entropia666

Suggestion for a GoProHero3 gimbal

Hi everyone,

I would like a cheap GoProHero3 gimbal, at the moment I found these three:

Started by entropia666

Using APM2.5 Power module with APM2.0

Hi all,

I would like to use the APM2.5 Power module with APM2.0, is it possible?

I don't need to power the APM actually, just the voltage/current readings...

Thank you very much,

Michele

Started by entropia666

Some questions about SD card logs

Hi all,

I'm analysing my flights logs a bit deeper and I have a bunch of questions:

GPS sampling: it seems to me, looking at the GPS time, that the sampling is not 10Hz but 5Hz. This is not a problem, just it is good to know
In the log.pde file, there a

Started by entropia666

Hexacopter robustness to failures

Hi all,

after two failures I had on my quadricopter (loose screw on one motor in both cases I think), I'm considering the idea of building an hexacopter.

Is it a one-motor-fail safe design? Or somehow the yawing couple cannot be equilibrated? Did anyb

Started by entropia666

How the commands are sent to the servos?

I've been reading the most recent Arducopter 2.5.4 version, I cannot understand how the commands are sent to the servos/motors.

I understand that the function "set_servos_4()" is doing the job, but after that I'm lost.

An instance of the class AP_Motor

Started by entropia666

JP1 connection not present in my board

Hello everybody,

I just received my APM2 and I have a bunch of problems.

One of them is the following:

I cannot power on my board through the output rail because my board hasn't got the connection for JP1. I can power it from the input rail (and the out

Started by entropia666

APM board not arming

Hi everyone,

my brand new APM2 doesn't seem to arm in any way.

I followed the wiki (uploaded the firmware, calibrated the radio etc) yet I cannot get the "A" LED solid and the motor or servos which are plugged in the output rail do not move.

I have kept

Started by entropia666

UDB4 + GS407 + XBeePro

Hi,

My project involves a quad copter, with a UDB4, GPS and XBeePro to send/receive piloting data.

I've read a lot in the website, but I didn't find any guide/tutorial concerning the electronic connections between the board and other components. I'm a

Started by entropia666