MultiWii

Katch

Ok,

- what board are you using the Drotek with?

- have you made sure the drotek is mounted in the correct orientation

- do the sensors Gyro and Acc behave as expected in the GUI?

edit - you may also want to try giving it 5v

Katch

it's in the i2c repo - http://code.google.com/p/i2c-gps-nav/downloads/list

it's compatible

Katch

Pyrofer wrote:FW Version AXN_1.50 2683

compatible - flash away

Katch

cool feature!

I've also got an SR04 lying around - might have a look at getting this to work on my MEGA

Katch

@ Tifani and Joachim Both of your problems sound like very 'individual setup specific' issues and not issues that are widely experienced by the vast Multiwii user base. The core sensors that have been in Multiwii code for a long time (WMP Nunchuck, ITG3200, BMA180/020 etc etc) and the newer MPU6050 ...

Katch

ok, if I DON'T have the navigtron board? Can I use that firmware flasher directly connected via serial to the GPS? Is the FW in that link for the 04 or 06 version of the hardware? Is it compatible with both? yes you can flash over serial - i think you still need to cross rx / tx run the MiniGPS too...

Katch

Tom your experiences posted in this thread; http://www.multiwii.com/forum/viewtopic.php?f=8&t=1750 are not typical of the experiences of the majority of Multiwii users. As far as I and hundreds of other users are concerned Multiwii has some of the best Acro and Level performance of any controlle...

Katch

If you look in the i2c gps google repo (links back in this thread somewhere) there is a download for a 10hz 115200 firmware. To update you need to upload the blink sketch (in your arduino examples folder) to the arduino on the Navigtron. Then make a liitle cable that will allow you to connect your f...

Katch

Aint this the Hotest Topic in town ? My question is fairly simple and I am sure you guys can give me a concise and I hope comprehencable answer. I have a I2C Flytron Navigatron, who dreams up thease names ? How can I tell if the Firmware is cabable of 10 Hz update as recomended by the "Grand P...

Katch

I'm still getting solid green on level mode... is it not supposed to be green / red?

Katch

Hi I have a little problem. I bought a navigatron V2 and have to connect it to arduino i2c promini. I also have a V 0.4.3 freeimu who wants the arduino internal pullup disconnected because it has its internal. Navigatron V2 has no pullup resistors, can I connect to i2c in parallel or should I put o...

Katch

Have you tried running your motors without props installed? 10" props sounds a bit large for that motor. Try this link and see what it says: http://www.ecalc.ch/xcoptercalc_e.htm?ecalc Iain Yup sounds like you are swing too props that are too large. Other possibility is if your bearing have wo...

Katch

Hi, I tried the GPS code today with the raw merge I did recently in the shared_ section. Everything behaves perfectly with default PIDs, even with some wind ! (MEGA board + serial GPS) Thank you EOS for your job and your efforts to match AC GPS code with MultiWii. This code will be clearly included...

Katch

Heh we design and test and make for cheap what they have spent huge amounts of money developing. We do it better and easier and we give it away for free when they would like to be able to sell it for large sums of money.

I <3 GPL

Katch

Many thanks! Was hoping for something like that but was and still are confused as the throttle respons in the GUI does shows to be affected by the pots not centering, guess then that is just a GUI issue. The turnigy 9x does not have the best of pots so very needed function! you don't need to get yo...

Katch

It will still show the value being transmitted by your Tx - in flight you will feel the dead band working.

Katch

Too hot to touch is too hot. My motors/escs run very cool and are just warm after 15 mins of fast forward flight.

Katch

Sorry for the slight off-topic question, but on a MEGA board which has I think 3 serial ports, is it possible for using multiple at once,.. For example one for connecting an osd to the board, another for connecting and using a bluetooth board and the third for connecting the GPS for rth and positio...

Katch

I think we'll find more and more people moving to Mega especially now there is a cheap option from China. It would be nice if we could code up support for serial comms on the free serial ports in a similar way to how we define serial GPS in EOSBandi's code. #define BT serial 3 // As the GPS code mat...

Katch

will test soon.

Katch

I did this diagram - should help a bit; http://i3.photobucket.com/albums/y88/Katch_Harley/sku_81868_1.jpg MEGA uses the first 4 PWM inputs for motors (in Quad) and serial 1 if you use PPM Sum for your Rx. Oh and you'll need 4 6mm nylon pillars and screws bolts etc to mount the IMU (they're not inclu...

Katch

Ok create a new model as Acro not Heli and bind to your Rx. Set travel adjust to +/- 125% on GEAR and FLAP FLAPS ............FLAPS....ELEV NORM /\50..............0 LAND \/50..............0 MIX1 FLAP >.............................FLAP ACT RATE D.................................0% U -125% SW ELE D/R T...

Katch

Best MultiWii board I've ever flown.

Only need to define FreeIMU 0.3.5bmp in the code MEGA is auto detected.

I've been flying GPS Dev code on it perfectly. Really good value controller.

Katch

Yes you need to create an Acro model and use the wing flap mix.

I use Aux 1 as a 3 state switch using 2 physical switches and then aux 2 on a single switch.

I'll post the settings I use when I get home - but it is possible if you want to play.

Katch

matteo3e5 wrote:Step 4 - Change GPS parameters using MiniGPS

If you flash the 10hz 115200 firmware on to the GPS there shouldn't be any settings that need changing in MiniGPS - you just use it to verify that the GPS module has updated properly and is running at 10hz.

Katch

nope the working code isn't integrated yet.

http://code.google.com/p/i2c-gps-nav/downloads/list

Katch

I have several FCs and they are not all created equal when it comes to Mag calibration and interference. Paris v4 with GY_86 (FreeIMU 0.4.3 clone) - Mag heading shifts when lifting one side of the frame and shifts drastically at WOT - Headfree is always shifted several degree round - GPS is unflyabl...

Katch

thank you for the info. let me see if I got correctly Navigatron v1 doesn't work if connected as it is on an i2c bus of a multiwii multicopter, therefore I have to re-flash it with the standard EOSBandi I2C GPS sketch and update the parameters of the gps Module on my v1 Navigatron using MiniGPS too...

Katch

can somebody please post working gps pids so i have a starting point? tried gps first time yesterday. it did something but i dont got it tuned well. thanks in advance. Hey Warthox, I'm using default everything in r33. Hardware is 500mm Bluesky Sport Quad / KDA 20-28m / Plush 18a / 8x45 props You ne...

Katch

The Asus eee 701 had a stupidly small res of 800 x 480 but could display 800 x 600 with scrolling. That Lenovo is an oddity - 1024 x 600 was the de facto res of most netbooks that came after the 701. 1366x768 is also a very common res for netbooks now but I still think a minimum of 1024 x 600 is sen...

Katch

AlouetteIII wrote:+1 for the 1024x768 size - at least

There are a lot of netbooks out there with 1024 x 600 resolutions. As netbooks lend themselves to being taken out onto the field it would be nice not to break the GUI for them. Things like Java apps become unusable when built beyond that native resolution.

Katch

EOSBandi you are a genius! I can't begin to explain how good this code is now! Just flew 2 packs on my MEGA w/serial GPS. I can park my quad 200m away at about 40m altitude and engage POS Hold wait for my timer to go 10 minutes later (can hear my Lipo alarm from that distance!) Flick RTH and watch m...

Katch

More testing, Changed the line above - seems to have removed a lot of those pinks Standalone; 1- 10 fine 11 - Red back Blue forward strobing - white sides strobing (3 leds per side front 2 strobing every third) 12-22 fine I2C; Acro - same colour error as 11 above Level - still all green Not level wa...

Katch

I was thinking about the possibility of doing something like that. Would raise the problem of there being X number of different frames, motors, props etc - tuning it could be a scary/expensive process. It would be nice to be able to activate flips and rolls from Level mode - so the when you press th...

Katch

Here you go EOSBandi; m For someone with no formal English training that's pretty amazing - not many changes or corrections. I did add one thing to the section about things that indicate a GPS lock; When setting up your Transmitter and assigning switches to GPS navigation functions (RTH POS Hold) th...

Katch

if you look very closely at the mpu6050 chip if it has the initial ES at the end then it's an engineering sample with the different acc scaling.

Katch

off to the gym will do it tonight.

Katch

Is the pin labelled VCC meant to take 5volts or 3.3volts? I see something that might be a voltage regulator on the board, but I can't make out the writing. Yes either or. Do these things need pull ups on SDL and SDA? No they have a built in LLC so it doesn't matter what level I2C you connect to. Sh...

Katch

Hi Guys, I just uploaded the documentation to the repository. You can find it here : m Since English is not my native language, and I did not had any formal education for English, there are perhaps some errors. I would appriciate if a native English speaker helps me in proofreading. Regards, EOSBan...

Katch

yep definitely using that version.

Katch

+1 definite lag

Katch

Just quickly testing this Standalone Mode: --------------- Sequence 0 - 10 test fine Sequence 11 - really messed up red flashing white back blue flashing red front d5 d9 strobing d4 d3 pink flashing red - d10 d11 bright white flashing red Sequence 12 - 13 fine Sequence 14 - MultiWiiCopter Andromeda....

Katch

ok - compiled and uploaded with Arduino 0022 observations; immediately after flash - all reds on - sw1 cycles and sw2 turns off I2C operation seems bugged. Acro - D1 & D2 blue flashing red (possibly pinkish) - D3 & D4 pinkish (little bit of RGB) flashing red - D5 strobing white - D6 D7 D8 re...

Katch

yeah sorry I should have said the stock i2c gps code that Melih was shipping them with.

Katch

As of Arduino 1.0, the Wire.receive() function was renamed to Wire.read() for consistency with other libraries.

Bad error line: -1

Mine won't compile (LEDRing)

Katch

Flash it, then use MiniGPS to set your parameters (GPS frames, update rate, WaaS) and save them to the GPS flash memory (on the Test tab, press shift+ctrl+S to get additional tabs in MiniGPS tool) yo have 8 slots to save... Note that Waas could be used only with 5Hz update rate.... Just flashed the...

Katch

How are you interfacing this to Multiwii? Are you just using the main serial port? I have a BT dongle on that at the moment and will obviously have to choose which I want... Unplugging all the time to swap between USB, BT and GPS is going to suck. I bought one of those new MEGA2560 based boards tha...

Katch

You can have either the diode getting 3.3v from the main power OR a coin cell. Otherwise power is pushed into a non-rechargeable battery, not good. yep that was what I thought. Looking to see if I can find somewhere to get a 0.22uf 3.3v super cap without having to order loads of them. Then I think ...

Katch

I don't know what the current draw on vbackup is, but a coin cell may or may not last long. This is the same GPS module I was looking at and its certainly designed to have 3.3v on vbackup, probably best not to apply more. Paul uses a simple coin cell on his gps breakout board. But I know that the M...

Katch

refractions wrote:vback can accept a maximum of +5v, so you should be ok putting a coin cell in circuit.

yeah my concern is how the vback is currently tied to the zenor regulator - I think I need to take that out and tie enable to 5v before putting the coin cell in the circuit. But I'm not certain.

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