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Switch to guided mode failed（no response or rtl）

i have tried swtich to guided mode from loiter mode using the RC transmitter.but it does not always work.sometimes it works and the pixhawk can accept commands from the companion.however, it may also switch to rtl mode（it seem that some kinds of fail

Started by Pei LI

2 Replies

3DR Iris + Propeller Set

I have just purchased a second hand 3DR Iris + without propellers. Can someone please give me advice on here I can get the correct propellers for this.

Many thanks

Started by Michael Foate

0 Replies

APM 2.8 Pre-Arm check failure

Hello all!

I'm trying to use the following combination:

DJI F450 Quad,

ArduCopter APM 2.8, external GPS - UBLOX 7m

FlySky i6 (Tx), FlySky FS RXB (receiver)

I performed all the calibration, verified the compass values, MOT.

I'm unable to arm the quad. Neith

Started by 3DR_Fan

1 Reply

3DR Solo 5200mAh 4S Smart Battery

5200mAh 4S smart battery befit for your 3DR Solo Quadcopter.
Save 46%, $49.95 and free shipping.
And Independence Day Celebration! 15% Off on everything!
http://www.genstattu.com/3dr-5200mah-14-8v-4s1p-lipo-battery-pack.html

Started by sarah lee

0 Replies

Ardupilot ArduCopter add weight to the code

Hello guys! I'm currently working on the PID control of the ArduCopter code... and I was wondering where the mass/weight of the quadrator was considered... if it was considered at all... Even just the parameter name is helpful enough...

And may I ask

Started by Ronello Ninettu

4 Replies

433 MHz frequency band

What frequency band can I use (min and max frequencies) and why.

I seen that some are using a very narrow band but it's my understanding that 410-470MHz can be used for control signals in the US if you have a HAM license.

I have been using the 900MHz b

Started by Mike Mac

0 Replies

Solo link in a DIY Drone

Has anybody used a solo link in a custom drone yet? I notice you can buy the cards for about $50 each. Then add a long range wifi card and you're in business.3DR has released the firmware and code for it I think?Rolling a HD VTx, Radio Control, and t

Started by Nicholas Witham

2 Replies

EKF velocity error before Auto flight - Copter 3.4.6

Hi,

I was flying a new quadcopter on Friday to test the Auto flight mode. I had a successful first mission and I tried to replicate it. Since my last waypoint was facing the opposite direction from takeoff and the RTL kept this heading, I manually rot

Started by Javier Cerna

0 Replies

avrdude unable to program my ATmega328p microcontroller

I am going to be brief here. So I got my Atmega328p(this is datesheet of atmega328p) microcontroller from Arduino Uno(I pulled it out of the board). And then I bought my USBASP programmer chip to program my MCU. I properly installed its x64 drivers.

Started by nanawhite107

0 Replies

Building a Autonomous Quadcopter drone

Dear All,

I m very much interested in drones and i am planning to do a Autonomous Quadcopter drone which can lift 10 kg of payload with a flight time of 45 mins.

I want to know a complete list of requirements

1. What is the best frame?

2. What is the be

Started by Kumar

1 Reply

Test cases for testing Mission planner and Drones.

Is there any test cases/suite to test Mission planner and Drones.

I am looking for following test cases which will cover all following testes:
Unit Testing
Integration Testing
Overall System Testing

Please advice me if there are any test cases avai

Started by Jothi

0 Replies

Open Source & Programmable Mini-Drone

The first drone developed which uses ESP8266 module.

So you would like to get started in drone programming? ESPcopter has you covered. You don’t need to spend a fortune to get started in drone programming. The ESPcopter is a small drone with program

Started by Metehan Emlik

1 Reply

Getting an APM to communicate with a Mac

Hi All,

I see this issue has been posted many times....However I post in the hope that someone actually found the answer....Please forgive a rank amateur ...First go.

Assembled my quad copter yesterday...basics achieved eventually...

Using an Ardupilot

Started by Darren Fisher

2 Replies

pixhawk2.1 and f450 frame basic question.

Hello.

I am using the F450 frame.

I am not familiar with electronical engineering stuff.

I want to connect the px4 flow and lidar lite v3 for indoor flying.

I try to connect my lidar lite v3 to pixhawk2.1 follwing ardupilot doc.

My understand is right

Howe

Started by Dong Ho Kang

0 Replies

Getting input on one channel and giving its output on another auxiliary channel

Hi,

I need help for a simple function in mission planner but can't get how to do it. I am getting input on a channel (say ch 6), and want to output it on any aux channel. I can't directly take it because my output is in PPM. Appreciate it if anyone ca

Started by Shlok J

0 Replies

DIY multicopter modding

Hi Everyone, on the occasion of the launch of my site

www.flyingmods.com

I would like to put the idea of DIY multicopter modding up for discussion:

A lot can be done with the countless, seldom flown and deadly boring quadcopters forgotten in hobby

Started by Jan Holthusen

0 Replies

Set 6 point switch for 'flight mode' control in Futaba T14SG transmitter

Futaba T14SG is widely used and here is a way to set six-point switch for flight mode control in T14SG. I have used it in Pixhark and flight tested. It is very accurate and simple.

First go to the 'LINKAGE MENU' and select 'FUNCTION' as below.

Then go

Started by Tiejun Xie

0 Replies

attiny85: example of OC1B/!OC1B output?

I have a piezo transducer hooked up to 2 of my attiny85 pins, and I'm driving it via software in AC mode @4khz using a timer and interrupt.

Here is the date sheet of attiny85:

http://www.componentschip.com/details/Atmel/ATTINY85.html

I would like to swi

Started by nanawhite107

0 Replies

Canon G9X and Pixhawk

Good evening! I would like to know if anyone has any solution to integrate the Canon G9X with Pixhawk, 
since there is still no reliable CHDK firmware. I see some adapted with a cable, but I did not find any 
diagram of this adaptation. Thank you all!

Started by RICARDO MATOS MOLINARI

0 Replies

Help. Pixhawk error after upload fw QGroundControl.

Dear all,
My pixhawk maybe died after I upload firmware from Qgroundcontrol!
now connect to usb cable happend the error ( connect external usb is same)

1.png

Center Led is off
Led B/E on FMU blinking
Led ATC on IO is blinking

%281%29%20Pixhawk%20PX4%20P

Started by Reed Noel

0 Replies

Discussions

All Discussions (33321)

Switch to guided mode failed（no response or rtl）

3DR Iris + Propeller Set

APM 2.8 Pre-Arm check failure

3DR Solo 5200mAh 4S Smart Battery

Ardupilot ArduCopter add weight to the code

433 MHz frequency band

Solo link in a DIY Drone

EKF velocity error before Auto flight - Copter 3.4.6

avrdude unable to program my ATmega328p microcontroller

Building a Autonomous Quadcopter drone

Test cases for testing Mission planner and Drones.

Open Source & Programmable Mini-Drone

Getting an APM to communicate with a Mac

pixhawk2.1 and f450 frame basic question.

Getting input on one channel and giving its output on another auxiliary channel

DIY multicopter modding

Set 6 point switch for 'flight mode' control in Futaba T14SG transmitter

attiny85: example of OC1B/!OC1B output?

Canon G9X and Pixhawk

Help. Pixhawk error after upload fw QGroundControl.

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