Search found 173 matches

by sismeiro
Thu Mar 20, 2014 3:19 am
Forum: ESCs, propellers , servos and radios
Topic: Nylon Props Snapped
Replies: 8
Views: 3188

Re: Nylon Props Snapped

waltr wrote:Wow, and the quad was basically just hovering when the prop blew.

At that time I was hovering but the propellers had some hours flying with some aggressive moves and in the wind. Forces from different angles stress the blades where they connect to the central hub.
by sismeiro
Wed Mar 19, 2014 4:14 pm
Forum: ESCs, propellers , servos and radios
Topic: Nylon Props Snapped
Replies: 8
Views: 3188

Re: Nylon Props Snapped

Just put "quad props breaking in flight" in google and there are many cases of this happening. The same thing happened to me at least three times with cheap propellers. One of the times the flying debris was recorded on my 808 camera: 0SOA9-t8qIA Since I change to carbon fiber propellers ...
by sismeiro
Mon Mar 17, 2014 10:30 pm
Forum: Getting Started - MultiWii config and setup
Topic: HT-450 huge problems
Replies: 1
Views: 699

Re: HT-450 huge problems

Hi,

Did you try to follow the instructions on the RTF wiki: http://witespyquad.gostorego.com/videos.html? It's a good start to understand how to configure your quadcopter and help us help you.

Regards,
Luis Sismeiro
by sismeiro
Sun Mar 16, 2014 8:08 pm
Forum: Software
Topic: Problem of programmation with a CRIUS se v2.5
Replies: 6
Views: 4194

Re: Problem of programmation with a CRIUS se v2.5

Hi, I recommend that first you read the page at http://witespyquad.gostorego.com/videos.html to start to understand how things work with MultiWii. Pay attention that your flight controller board is different, you have to understand the differences also to configure it. Regards, Luis Sismeiro
by sismeiro
Tue Feb 18, 2014 10:54 am
Forum: General discussions
Topic: can I use a arduino duemilanove
Replies: 3
Views: 1400

Re: can I use a arduino duemilanove

Hi,

Yes, you can use the Arduino Duemilanove, you just need to find where to connect everything.

Regards,
Luis Sismeiro
by sismeiro
Sun Feb 16, 2014 8:49 pm
Forum: MultiWii tweaking - flying experience
Topic: Tuning MultiWii for aerial video
Replies: 7
Views: 3876

Re: Tuning MultiWii for aerial video

Perhaps some of you guys would like to share some video footage from your fpv rig, along with some details of your set up and pid's. Luis, have you have any fpv flight videos you would like to share? Hi, Finally someone picked my post. I don't do FPV yet, only LOS flying. Regarding this topic, I ha...
by sismeiro
Sun Feb 16, 2014 1:55 pm
Forum: Getting Started - MultiWii config and setup
Topic: arm not equal
Replies: 1
Views: 732

Re: arm not equal

Hi, I don't know if it's a requirement but I think you should be using the latest MultiWii version instead 2.2. Regarding your problem, did you calibrate your ESCs? And other thing, did you configure the MINTHROTTLE value? After calibrating the ESCs you need to play with this value. Choose one, arm ...
by sismeiro
Wed Feb 05, 2014 3:31 pm
Forum: Getting Started - MultiWii config and setup
Topic: Sluggish quad with baro
Replies: 1
Views: 867

Re: Sluggish quad with baro

Hi,

Are you trying to take off with baro on? Baro should be activated only when hovering at some height.

Regards,
Luis Sismeiro
by sismeiro
Thu Jan 30, 2014 9:19 pm
Forum: Getting Started - MultiWii config and setup
Topic: RC rate & rc expo
Replies: 1
Views: 1038

Re: RC rate & rc expo

Hi,

You can read some information here: http://www.multiwii.com/wiki/index.php?title=RC_rates_%26_expo.

Regards,
Luis Sismeiro
by sismeiro
Thu Jan 30, 2014 9:15 pm
Forum: General discussions
Topic: Default mode - why is it angle?
Replies: 6
Views: 1987

Re: Default mode - why is it angle?

i got it now. But it is surprising for me. I needed to have the transmitter switched on. Not only the receiver needs to be on but also the transmitter. Hi, Beware, you should always have the transmitter on when working with the FC with the receiver connected especially if the LiPo battery is also c...
by sismeiro
Wed Jan 29, 2014 11:29 pm
Forum: Getting Started - MultiWii config and setup
Topic: Clearing EEProm and loading new definitions
Replies: 11
Views: 4924

Re: Clearing EEProm and loading new definitions

Hi,

You should not connect the LiPo battery when uploading the sketch. The transmitter shouldn't be a problem if it is connected.

Regards,
Luis Sismeiro
by sismeiro
Wed Jan 29, 2014 4:08 pm
Forum: General discussions
Topic: Clearing eeprom and loading changed sketches
Replies: 3
Views: 1344

Re: Clearing eeprom and loading changed sketches

Hi mrsand,

You should not cross post the same questions in different places. I answered in the other post you made.

Regards,
Luis Sismeiro
by sismeiro
Wed Jan 29, 2014 4:01 pm
Forum: Getting Started - MultiWii config and setup
Topic: Clearing EEProm and loading new definitions
Replies: 11
Views: 4924

Re: Clearing EEProm and loading new definitions

Hi, As far as I know, you only need to do a EEPROM cleanup when you are changing MultiWii versions like from 2.2 to 2.3 or when downgrading. Even when you edit the config.h file to make any changes you don't need to clean the EEPROM. To recalibrate the ESCs using the MultiWii provided configuration ...
by sismeiro
Sat Jan 25, 2014 12:08 pm
Forum: Getting Started - MultiWii config and setup
Topic: Loading a sketch on a Flight Control Board
Replies: 14
Views: 5582

Re: Loading a sketch on a Flight Control Board

Hi,

I think the problem is with the type of Arduino board that you choose. You need to select from the board menu the "Duemilinove with ATmega 328p".

Regards,
Luis Sismeiro
by sismeiro
Fri Jan 24, 2014 11:26 am
Forum: Getting Started - MultiWii config and setup
Topic: Loading a sketch on a Flight Control Board
Replies: 14
Views: 5582

Re: Loading a sketch on a Flight Control Board

I have seen this procedure before...perhaps I just have not followed the steps accurately..I'll try again..thanks for the help..I appreciate it. Hi, No apoligies necessary. Just some pointers to help: * Unzip the MultiWii package * Edit the config.h in the MultiWii folder according to your FC and n...
by sismeiro
Fri Jan 24, 2014 12:14 am
Forum: Getting Started - MultiWii config and setup
Topic: Loading a sketch on a Flight Control Board
Replies: 14
Views: 5582

Re: Loading a sketch on a Flight Control Board

mrsand wrote:I failed Spanish back in High School...wish I hadn't

Hi, it's not Spanish, is Portuguese. :-)

See the PDF below, it's not specific for your FC but you will get the general idea.

http://www.robson.fr/wp-content/uploads ... -22-12.pdf
by sismeiro
Thu Jan 23, 2014 4:49 pm
Forum: Getting Started - MultiWii config and setup
Topic: Loading a sketch on a Flight Control Board
Replies: 14
Views: 5582

Re: Loading a sketch on a Flight Control Board

Johnnynunes wrote:Ola luis, vi a pouco tempo que eras tuga. Mais um aqui, Açores.

Bom saber que anda cá mais um. :)
by sismeiro
Wed Jan 22, 2014 5:36 pm
Forum: Getting Started - MultiWii config and setup
Topic: Loading a sketch on a Flight Control Board
Replies: 14
Views: 5582

Re: Loading a sketch on a Flight Control Board

Can someone advise if when uploading a Ardunio sketch onto the FC board does the board need to be un-connected from the receiver and esc's? Hi, When I upload a new MultiWii sketch I keep the radio and ESCs connected to the FC. No problems with that but is important to disconnect the LiPo battery al...
by sismeiro
Tue Jan 21, 2014 12:24 pm
Forum: Ideas
Topic: Multiwii repository
Replies: 6
Views: 4474

Re: Multiwii repository

my first idea: The multiwii repository or the multirotor reposistory. - A website that provides a large database of user multirotors. Be it a homemade or RTF as long as it runs on multiwii - Users can add there multirotor to this database. Specifications, image links, video links, howto links, ... ...
by sismeiro
Sun Jan 19, 2014 5:27 pm
Forum: Getting Started - MultiWii config and setup
Topic: Crius SE V 2.5 Flight Control Board
Replies: 13
Views: 24291

Re: Crius SE V 2.5 Flight Control Board

Hi, One of the things you need to pay attention is the sensors that the FC has. From what I gathered from the Internet: 2.0 MPU6050 6 axis gyro/accelerometer with Motion Processing Unit HMC5883L 3-axis digital magnetometer BMP085 digital pressure sensor 2.5 MPU6050C 6 axis gyro/accel with Motion Pro...
by sismeiro
Sun Jan 12, 2014 7:50 pm
Forum: Getting Started - MultiWii config and setup
Topic: GPS not working ?
Replies: 10
Views: 3232

Re: GPS not working ?

I am in leeds in the uk, how do I find, and then what do I put in for the #MAG_DECLININATION value ? Hi, Just check the config.h file: /* Get your magnetic decliniation from here : m Convert the degree+minutes into decimal degree by ==> degree+minutes*(1/60) Note the sign on declination it could be...
by sismeiro
Thu Jan 09, 2014 6:05 pm
Forum: General discussions
Topic: avrdude stk500_getsync: resp=0x00
Replies: 6
Views: 2035

Re: avrdude stk500_getsync: resp=0x00

Hi,

Check the board version you are using. Try with Arduino Duemilinove w/ATmega 328.

Regards,
Luis Sismeiro
by sismeiro
Mon Jan 06, 2014 4:56 pm
Forum: Software development
Topic: MultiWii 2.3 p07 with corrections from MultiWii_shared
Replies: 8
Views: 5150

Re: MultiWii 2.3 p04 with corrections from MultiWii_shared

Hi again,

I corrected the bug and should compile now. It was my fault, forgot to update the variable EstG to the 2.3 version and remove the mul() function in IMU.cpp:

Code: Select all

cosZ = EstG.V.Z * 100.0f / ACC_1G;

Regards,
Luis Sismeiro
by sismeiro
Mon Jan 06, 2014 12:21 pm
Forum: Software development
Topic: MultiWii 2.3 p07 with corrections from MultiWii_shared
Replies: 8
Views: 5150

Re: MultiWii 2.3 p03 with corrections from MultiWii_shared

Hi to all,

I used the config.h regression tests from 1 to 9 and all compiled without problems using the Arduino Mega board (test 3 needs more space to compile). I will check again later the changed code to see if there were any mistakes.

Regards,
Luis Sismeiro
by sismeiro
Sun Jan 05, 2014 7:25 pm
Forum: Ideas
Topic: Multiwii logo contest
Replies: 21
Views: 7842

Re: Multiwii logo contest

Hi,

I think is an excellent idea. Unfortunately I am not a design person to also participate.

Regards,
Luis Sismeiro
by sismeiro
Sun Jan 05, 2014 6:17 pm
Forum: Software development
Topic: MultiWii 2.3 p07 with corrections from MultiWii_shared
Replies: 8
Views: 5150

MultiWii 2.3 p07 with corrections from MultiWii_shared

Hi to all, I am not a programmer but I can read code and make small changes to it. With this in mind, I back-ported some bug corrections from MultiWii_shared to the 2.3 version that I use on my Xcopter: 20131124 -------- Revision: 1631 Author: dubusal@gmail.com Date: domingo, 17 de Novembro de 2013 ...
by sismeiro
Fri Jan 03, 2014 5:57 pm
Forum: Getting Started - MultiWii config and setup
Topic: v2.2 to v2.3 motors not spinning
Replies: 2
Views: 1028

Re: v2.2 to v2.3 motors not spinning

Hi,

Did you clear the EEPROM? It's important to want when updating to 2.3.

You can use the Arduino example sketch to clean the EEPROM.

Regards,
Luis Sismeiro
by sismeiro
Wed Jan 01, 2014 12:49 pm
Forum: Software development
Topic: MultiWii EZ-GUI
Replies: 1434
Views: 671900

Re: MultiWii EZ-GUI

Long and crashless flights. :) Happy New Year!
by sismeiro
Sun Dec 29, 2013 4:32 pm
Forum: Shields, boards and sensors
Topic: Multiwii Pro - Quad drops out of the air...
Replies: 14
Views: 4181

Re: Multiwii Pro - Quad drops out of the air...

Hi,

Did you check for vibrations? From the video I cannot see any problem?

Regards,
Luis Sismeiro
by sismeiro
Thu Dec 26, 2013 8:29 pm
Forum: Software development
Topic: A bug in THROTTLE_ANGLE_CORRECTION
Replies: 13
Views: 5870

Re: A bug in THROTTLE_ANGLE_CORRECTION

If your copter doesn't suffer from that simple law of physics and has a stellar 100+Hz Baro/ACC code at work you have no problem, so what could videos do to improve your already perfect result? Maybe a painting? I am sorry if you didn't like my question. I am just curious to know if there are any k...
by sismeiro
Thu Dec 26, 2013 3:18 pm
Forum: Software development
Topic: A bug in THROTTLE_ANGLE_CORRECTION
Replies: 13
Views: 5870

Re: A bug in THROTTLE_ANGLE_CORRECTION

Hi, This is a very nice feature to have but I didn't try it myself yet. I hope this is the last bug found in this implementation. I will update my MultiWii branch with this correction. Any videos of this feature? I would like to see that how it behaves before trying it myself because 2.3 is so good ...
by sismeiro
Thu Dec 12, 2013 11:24 pm
Forum: Getting Started - MultiWii config and setup
Topic: Basic understanding, which motors have to run faster
Replies: 11
Views: 3270

Re: Basic understanding, which motors have to run faster

olfried wrote:As i only have a four channel Controller, is it possible to start in level mode without switching aux?
In config.h somewhere? Gui? Or should i wait until Santa brings the six channel RC?

Hi,

In the AUX1 GUI configuration select all boxes for the level. That's it.

Regards,
Luis Sismeiro
by sismeiro
Mon Dec 02, 2013 2:53 pm
Forum: Getting Started - MultiWii config and setup
Topic: Tricopter not lifting off
Replies: 2
Views: 818

Re: Tricopter not lifting off

Hi,

I know this is a normal question but did you calibrate the ESCs?

Regards,
Luis Sismeiro
by sismeiro
Sun Dec 01, 2013 8:19 pm
Forum: MultiWii tweaking - flying experience
Topic: Tuning MultiWii for aerial video
Replies: 7
Views: 3876

Tuning MultiWii for aerial video

Hi, I have a MultiWii quadcopter ( http://www.multiwii.com/forum/viewtopic.php?f=9&t=1658 ) and although I am still learning how to fly it, without much tuning I like the way it flies and maneuvers: GayDsFIat20 My next step would be making some aerial videos but for that I think my Xcopter needs...
by sismeiro
Sun Nov 17, 2013 11:51 am
Forum: MultiWii tweaking - flying experience
Topic: Require full throttle to hover.
Replies: 4
Views: 1777

Re: Require full throttle to hover.

Hi, The you calibrate the ESCs according to your radio input? You can use the MultiWii option to to that but very careful, don't forget to remove the propellers. Other option could be configure them individually or make a special cable to configure all at the same time. ecs_config_cable.jpg Regards,...
by sismeiro
Sun Nov 10, 2013 8:33 pm
Forum: Pictures & Videos
Topic: Microquad Fever!
Replies: 2
Views: 2287

Re: Microquad Fever!

Hi,

From what I can see in the video you have lots a fun with your quadcopter. So much fun that I want to have the same equipment than you. :)

Regards,
Luis Sismeiro
by sismeiro
Sun Nov 10, 2013 5:00 pm
Forum: Software development
Topic: 2.3 is finally here :)
Replies: 97
Views: 105394

Re: 2.3 is finally here :)

I do not know how to properly give code i locally develop back to the MultiWii project (any explanation will be appreciated...). Hi, To contribute to the MultiWii project you should check the latest source files because they where modified to be developed more easily with other IDEs than Arduino. U...
by sismeiro
Sat Nov 09, 2013 8:01 pm
Forum: Software development
Topic: 2.3 is finally here :)
Replies: 97
Views: 105394

Re: 2.3 is finally here :)

Hi,

Thank you Alex and all the developers that contributed to this new release, I will say it is the best one so far. :) I will update 2.3 in my Xcopter later today and fly it tomorrow morning.

Regards,
Luis Sismeiro
by sismeiro
Wed Oct 30, 2013 10:39 pm
Forum: Shields, boards and sensors
Topic: HobbyKing MicroWii ATmega32U4 flight controller problems...
Replies: 2
Views: 2894

Re: HobbyKing MicroWii ATmega32U4 flight controller problems

Hi,

Try to follow the instructmultiwiicopter-wiki:

http://www.multiwiicopter.com/pages/multiwiicopter-wiki

They Wil help you to have a good understanding of the process of configuring MultiWii.

Regards,
Luis Sismeiro
by sismeiro
Tue Oct 29, 2013 11:36 am
Forum: Shields, boards and sensors
Topic: Gyros not responding on Crius SE - HELP !
Replies: 2
Views: 1127

Re: Gyros not responding on Crius SE - HELP !

HI, I don't have any tip since configuring that board is simple. You can check the configuration on the wiki page http://www.multiwii.com/wiki/index.php?title=Config.h , the information there was made according my setup at the time. You can have a faulty gyro. BR, Luis Sismeiro
by sismeiro
Mon Oct 28, 2013 5:29 pm
Forum: Getting Started - MultiWii config and setup
Topic: Some questions about altitude hold
Replies: 3
Views: 1357

Re: Some questions about altitude hold

Finally, is it a good idea to try to take off with altitude hold enabled? I only ask because one of my build partners insists that we should start with the altitude hold enabled, and that the copter will try to hold whatever altitude we leave it on. From what I read, that isn't so. Altitude hold sh...
by sismeiro
Mon Oct 28, 2013 3:44 pm
Forum: ESCs, propellers , servos and radios
Topic: X525 V3 MWC
Replies: 1
Views: 1168

Re: X525 V3 MWC

Only thing that I couldn`t try out is changing the end points on my Turnigy 9x to 125% like I read at some places - if anyone knows how to do that, please help me out! Hi, The text is in portuguese but I have the screenshots of the changes I made on my 9X to configure the center and the min and max...
by sismeiro
Mon Oct 28, 2013 2:50 pm
Forum: Getting Started - MultiWii config and setup
Topic: Motors don`t start
Replies: 4
Views: 1501

Re: Motors don`t start

Hi, just one question, did you calibrate the ESCs? You have to set the minimum and maximum values with the transmitter or using MultiWii but carefully follow the instructions. BR, Luis Sismeiro
by sismeiro
Sun Oct 27, 2013 4:34 pm
Forum: Getting Started - MultiWii config and setup
Topic: Some questions about altitude hold
Replies: 3
Views: 1357

Re: Some questions about altitude hold

Hi, Recently I started testing the barometer of my Crius SE 0.2 board. Currently I am using the MultiWii 2.3 from the shared repository with good results. I am still in the phase of changing the PID parameters to get the best ALT hold results but I think until now they are satisfactory with the defa...
by sismeiro
Sun Oct 27, 2013 3:52 pm
Forum: Pictures & Videos
Topic: My Xcopter
Replies: 6
Views: 4675

Re: My Xcopter

IMG_20121101_161252p.jpg Hi, For more than a year that I don't update this post. Currently this are the specs of my Xcopter: ⋅ Frame: X525 V3 Fiber Glass (customized) ⋅ Controller: MWC Crius SE 0.2 ⋅ ITG3205 Triple Axis Gyroscope ⋅ BMA180 Triple Axis Accelero...
by sismeiro
Sun Oct 20, 2013 7:44 pm
Forum: Software development
Topic: Array out of bounds access
Replies: 10
Views: 4493

Re: Array out of bounds access

a. Note that there is a redundant definition of MINCHECK and MAXCHECK: MultiWii.cpp:#define MINCHECK 1100 MultiWii.cpp:#define MAXCHECK 1900 MultiWii.h:#define MINCHECK 1100 MultiWii.h:#define MAXCHECK 1900 Hi, One question. If we need to change one or both of this values, in which file the change ...
by sismeiro
Mon Oct 14, 2013 8:30 pm
Forum: Software development
Topic: Release v2.3 is coming soon... prepare
Replies: 96
Views: 46823

Re: Release v2.3 is coming soon... prepare

Hi, Following the topic to say that I am prepared for 2.3 final. I have being using the latest shared from SVN with my configurations like Crius SE, LCD config, LCD telemetry, etc. and all ok for my Xcopter. The test flights didn't show any problem and for me that was using 2.1 for a long time, it f...
by sismeiro
Mon Oct 14, 2013 2:52 pm
Forum: Getting Started - MultiWii config and setup
Topic: only ARM, ANGLE and HORIZON Mode
Replies: 3
Views: 1234

Re: only ARM, ANGLE and HORIZON Mode

Hi, Without any extra sensors like GPS or baro, the ACRO, ANGLE and HORIZON are the available modes when you only have gyro and accelerometer as sensors. Think of ARM like in "armed and dangerous". It's a safeguard to when you are ready to fly and only then the throttle will accelerate the...