Search found 65 matches

by miniquad
Thu May 09, 2013 8:27 pm
Forum: Pictures & Videos
Topic: My attempt to make a tiny multiwii quad
Replies: 5
Views: 4592

Re: My attempt to make a tiny multiwii quad

http://www.pial.net/wp-content/uploads/2013/04/IMG_2738.JPG Here is the second version with MPU6050 and HMC5883L and with shorter motor arms. This time I updated the miniTX transmitter with an OLED to easily view and modify MultiWii settings and data from the transmitter. More details here: m
by miniquad
Tue May 07, 2013 11:49 pm
Forum: Pictures & Videos
Topic: DANCING WITH BULLS
Replies: 1
Views: 1569

Re: DANCING WITH BULLS

Haha..nice video. Those are some really curious and scared bulls! :)
by miniquad
Fri Mar 29, 2013 6:36 pm
Forum: Pictures & Videos
Topic: My attempt to make a tiny multiwii quad
Replies: 5
Views: 4592

My attempt to make a tiny multiwii quad

http://www.pial.net/wp-content/uploads/2013/03/IMG_2667.JPG This is similar to the PiCopter made by Frank, but with different sensor hardware on the flight control board and a completely scratch built transmitter. The flight controller board is very similar to ZigDuino with a modified bootloader an...
by miniquad
Wed Mar 20, 2013 10:02 am
Forum: ESCs, propellers , servos and radios
Topic: What MOSFET are you using for your tiny brushed quad- SOLVED
Replies: 1
Views: 1781

What MOSFET are you using for your tiny brushed quad- SOLVED

Hi Guys, Which MOSFET would you recommend for a 1s/3.7v lipo driven tiny brushed motor quad? The motors are from here: m. I tried 3 types of MOSFETS, but all didn't generate enough thrust at 3.7v. However, 7.2v (2s lipo) provided the thrust but the motor were getting warm. The motors does not seem t...
by miniquad
Mon Mar 18, 2013 8:12 pm
Forum: Software development
Topic: How to forward the serial data output of MultiWii 2.2-SOLVED
Replies: 0
Views: 767

How to forward the serial data output of MultiWii 2.2-SOLVED

Hi, I have seen the serial output code has been heavily restructured in MultiWii v 2.2. I am not an expert arduino programmer. It looks like it is mostly based on serial interrupts etc. now. If I want to forward the serial data stream byte by byte to another source (not hardware serial port), for ex...
by miniquad
Fri Mar 15, 2013 10:53 pm
Forum: Shields, boards and sensors
Topic: Magnetometer
Replies: 6
Views: 2477

Re: Magnetometer

I was looking for this information sometime ago and found on the forum that, you need to rotate your quad 360 degree on all three axes to calibrate the magnetometer.
by miniquad
Wed Oct 10, 2012 10:20 pm
Forum: ESCs, propellers , servos and radios
Topic: Need help with ESC
Replies: 3
Views: 2493

Re: Need help with ESC

Try lowering the the throttle to 0% as soon as you hear the first beep after power up, do not wait for the other beeps, as it usually means the ESC entered programming mode. Hope this helps.
by miniquad
Wed Oct 10, 2012 10:14 pm
Forum: Shields, boards and sensors
Topic: GPS uBlox NEO-6M CN-06 v2 hard reset?
Replies: 3
Views: 8367

Re: GPS uBlox NEO-6M CN-06 v2 hard reset?

The v2 module has a built-in EEPROM chip to permanently store your configuration, which will make it a bit difficult to reset to default/factory settings. For v1 draining the battery out would reset the module to default. Have you tried the u-center software and to connect to the module using differ...
by miniquad
Tue Sep 04, 2012 7:34 pm
Forum: Software development
Topic: MultiWii v2.1 GUI Improvements...
Replies: 30
Views: 10333

Re: MultiWii v2.1 GUI Improvements...

It works great! Nicely done.
by miniquad
Thu Aug 30, 2012 12:15 am
Forum: Getting Started - MultiWii config and setup
Topic: Seeking Ground Zero
Replies: 1
Views: 1113

Re: Seeking Ground Zero

4) Even though I have a Windows 7 operating system running 64 bits, only the 32 bit version of the multiwii-config_2_1 opens on my computer. Has anyone else experienced this? You most likely have installed 32bit JRE only on your computer. Try installing the 64bit JRE/JDK and 64bit version should lo...
by miniquad
Fri Jun 01, 2012 7:07 pm
Forum: Ideas
Topic: 32 bit Arm STM32 port
Replies: 23
Views: 9694

Re: 32 bit Arm STM32 port

Thanks djrm!
by miniquad
Wed May 30, 2012 6:37 pm
Forum: Ideas
Topic: 32 bit Arm STM32 port
Replies: 23
Views: 9694

Re: 32 bit Arm STM32 port

Quick question to the STM32 developers..what IDE do you use? Is there any open source or free IDE for STM32 debugging and programming? I could not find any related resource on ST's website.

ST is offereing free sample of their STM32F0 discovery board if any of you are interested:

http://www.st.com/internet/evalboard/product/253215.jsp
by miniquad
Thu May 24, 2012 6:35 pm
Forum: Ideas
Topic: Special acrobatic mode by code
Replies: 6
Views: 2714

Re: Special acrobatic mode by code

I like the idea. What Katch said makes it safer for beginners to try with.
by miniquad
Wed May 16, 2012 7:37 pm
Forum: Pictures & Videos
Topic: Femto X Quad
Replies: 13
Views: 4833

Re: Femto X Quad

Ah..very interesting. I didn't know those type of pcb contact rivets were readily available. It does making double sided DIY pcbs a little bit easier; you don't need to solder thin wires through the vias anymore. Do you need any special tool to put the rivets in place?
by miniquad
Fri May 11, 2012 6:47 pm
Forum: Pictures & Videos
Topic: Femto X Quad
Replies: 13
Views: 4833

Re: Femto X Quad

Quick question: how did you do those nice VIAs on the pcb? From the look of it, the pcb seems to be home made.
by miniquad
Fri Mar 23, 2012 7:18 pm
Forum: MultiWii tweaking - flying experience
Topic: Little pitch/roll on micro quad
Replies: 4
Views: 2389

Re: Little pitch/roll on micro quad

I noticed the stick movement response is affected by PID settings on roll/pitch. Try increasing the P values and lowering the D values and see if you get better response.
by miniquad
Fri Mar 23, 2012 7:02 pm
Forum: Shields, boards and sensors
Topic: NanoWii atmega32u4 (leonardo) FC
Replies: 52
Views: 42809

Re: NanoWii FC prototype :D

Looks really nice. I do not see any level converters in your design. Is MPU6050's i2c pins 5v tolerant?
by miniquad
Thu Feb 23, 2012 7:14 pm
Forum: Software development
Topic: WinGUI public beta
Replies: 132
Views: 68159

Re: WinGUI public beta

Is this version compatible with the latest dev releases by any chance (2012-02-19)? I tried to connect from WinGui and go exception errors thrown.
by miniquad
Thu Feb 23, 2012 7:12 pm
Forum: Software development
Topic: dev20120219 and new features... info?
Replies: 23
Views: 6999

Re: dev20120219 and new features... info?

I installed the latest dev released on my mini quad and I am finally able to fly in regular mode (gyro only). However, the stable mode seems to be really unstable. The quad is gradually oscillating more and more in stable mode and on bench test in GUI the motor commands do not look accurate. Is is s...
by miniquad
Wed Feb 22, 2012 2:08 am
Forum: Pictures & Videos
Topic: Femto X Quad
Replies: 13
Views: 4833

Re: Femto X Quad

Very nicely made. :)
by miniquad
Tue Feb 21, 2012 2:12 am
Forum: Ideas
Topic: New control module to connect to your RC toys from iPhone
Replies: 0
Views: 1809

New control module to connect to your RC toys from iPhone

This might be a great news for people who are hoping to control their MultiWii copters from iPhone. m Specs: Features: •8 PPM output channels for Servo or ESC control •4 digital outputs (on/off) •4 digital inputs (on/off) •1 analogue input •Failsafe function •Battery voltage monitoring •Up to 2 digi...
by miniquad
Thu Feb 16, 2012 7:51 pm
Forum: Software development
Topic: Sneak preview of new WinGUI (Screenshots)
Replies: 71
Views: 24503

Re: Sneak preview of new WinGUI (Screenshots)

zarkon wrote:
bob4432 wrote:
dongs wrote:Please release a beta of this already I absolutely hate java.


+1

+2

+3
by miniquad
Tue Jan 31, 2012 8:41 pm
Forum: Software development
Topic: Sneak preview of new WinGUI (Screenshots)
Replies: 71
Views: 24503

Re: Sneak preview of new WinGUI (Screenshots)

Looks really good. Great job! Waiting for the beta release. :)
by miniquad
Thu Jan 19, 2012 8:51 pm
Forum: Software development
Topic: MultiWii 1.9 configuration problem when writing
Replies: 4
Views: 2179

Re: MultiWii 1.9 configuration problem when writing

Danal, you are right. The problem is in the download package of MultiWii v1.9. I downloaded the latest dev version and the problem is gone.

Can someone fix this problem in the download package of MultiWii v1.9.
by miniquad
Thu Jan 19, 2012 6:37 am
Forum: Software development
Topic: MultiWii 1.9 configuration problem when writing
Replies: 4
Views: 2179

Re: MultiWii 1.9 configuration problem when writing

Thanks for the reply Danal. I will try to download again and try.
I have noticed another issue with the configuration tool, as soon as I connect to the my quadcopter, my cpu usage spikes to 60%-70%, is that something you experienced?

Thanks.
by miniquad
Wed Jan 18, 2012 10:41 am
Forum: Software development
Topic: MultiWii 1.9 configuration problem when writing
Replies: 4
Views: 2179

MultiWii 1.9 configuration problem when writing

Hi Guys, I wanted to try out the MultiWii 1.9 code on my mini quad copter. I was running v1.7 prevously and everything was working fine. Once I uploaded the v1.9 code. I am having problem to save the configuraiton data on my arduino (atmega328). When I start the MultiWii 1.9 Configurator, I can conn...
by miniquad
Thu Jul 28, 2011 7:32 pm
Forum: ESCs, propellers , servos and radios
Topic: Mounting GWS EP props
Replies: 3
Views: 2482

Re: Mounting GWS EP props

You can probably go with a prop adapter with rubber bands like this one:
http://www.hobbyking.com/hobbyking/stor ... oduct=3738
by miniquad
Fri Jul 22, 2011 7:18 pm
Forum: Shields, boards and sensors
Topic: Paris Board mandatory
Replies: 4
Views: 2513

Re: Paris Board mandatory

It is not mandatory. You can connect the sensors (via level converter if needed), receiver pins, motor esc connections to arduino uno/mini/mega directly. Or you can make your own pcb board to achieve the same. Paris board just organizes the connections for you, similar to what an arduino shield does...
by miniquad
Wed Jun 29, 2011 7:03 pm
Forum: Software development
Topic: Is it something wrong with r190?
Replies: 2
Views: 1559

Re: Is it something wrong with r190?

There used to be a configurable parameter in the code to hard code the stable mode for 4ch receivers. I do not see it anymore. Try modifying the following variable as follows and check if that works. Please make sure your accelerometer is properly detected and working, or the stable mode will not wo...
by miniquad
Wed Jun 29, 2011 6:46 pm
Forum: Shields, boards and sensors
Topic: Any interest in Ardupilot mega? Color LCD monitor?
Replies: 12
Views: 4675

Re: Any interest in Ardupilot mega? Color LCD monitor?

Looks quite impressive. I am interested. :)
by miniquad
Thu Jun 23, 2011 10:13 pm
Forum: Getting Started - MultiWii config and setup
Topic: No pitch and roll input
Replies: 4
Views: 2914

Re: No pitch and roll input

Have you done a continuity test between the Arduino PRO Mini (respective) pins and receiver PITCH/ROLL channel pins? Are you using a pre-fabricated board or a home made board to connect the arduino to the receiver?
by miniquad
Wed Jun 15, 2011 7:45 pm
Forum: Software development
Topic: MultiWii GPS support
Replies: 42
Views: 31369

Re: MultiWii GPS support

Looks very interesting. Keep up the good work. :)
by miniquad
Wed Jun 15, 2011 7:32 pm
Forum: Shields, boards and sensors
Topic: Serial Bluetooth RF Transceiver Module RS232
Replies: 154
Views: 122673

Re: Serial Bluetooth RF Transceiver Module RS232

Hi Clinkme,
You can check the schematic at http://www.pial.net/post/Using-the-HC-0 ... oller.aspx and find out how to use voltage divider using resistors on the rx pin to make it tolarent to 5v driven MCUs. For more details about voltage dividers, you can visit the wiki page at http://en.wikipedia.org/wiki/Voltage_divider
by miniquad
Sat Jun 11, 2011 8:10 pm
Forum: Shields, boards and sensors
Topic: ITG3200 is better than WMP?
Replies: 12
Views: 4933

Re: ITG3200 is better than WMP?

I use the following initializing code posted by ziss_dm in another post and ITG3200 is working quite well for me: void i2c_Gyro_init() { delay(100); i2c_rep_start(0XD0+0); // I2C write direction i2c_write(0x3E); // Power Management register i2c_write(0x80); // reset device delay(5); i2c_rep_start(0X...
by miniquad
Mon Jun 06, 2011 6:39 am
Forum: MultiWii tweaking - flying experience
Topic: Newbie issues
Replies: 5
Views: 3272

Re: Newbie issues

Hi, Try tuning the I & D values, as well as try lowering the autolevel value. Increasing the I value will slow down the flast oscillations. This is a good resource for understanding PID tuning: m Have you tried isolating the sensor board from the quadcopter body using foam tape or something? It ...
by miniquad
Wed May 25, 2011 6:46 pm
Forum: Connecting elements
Topic: BMA180 without a board
Replies: 6
Views: 3872

Re: BMA180 without a board

BMA180 is a 3.3v device, so you will need the LM1117 to drop your arduino board 5v to 3.3v unless you are using any other voltage regulator to get 3.3v. About your comment: "Why does he connect the LC from the LLC and the wire from the LM1117 together", I do not understand what you meant h...
by miniquad
Sun May 08, 2011 9:06 am
Forum: MultiWii tweaking - flying experience
Topic: Purpose of MidRC?
Replies: 5
Views: 3008

Re: Purpose of MidRC?

Hi, The transmitter configuration tool enables you to set the minimum and maximum limit of each channel. You can use that trick to set the minimum limit of throttle channel a bit higher than normal, which will make your mid-stick value higher than usual. You can then tweak parameters like min thrott...
by miniquad
Sat May 07, 2011 12:39 am
Forum: MultiWii tweaking - flying experience
Topic: Purpose of MidRC?
Replies: 5
Views: 3008

Re: Purpose of MidRC?

I would suggest using the pc configuration tool of the transmitter to change the min and max throttle value of your transmitter, then change the max throttle variable in the firmware to 2000 (from 1850), you might need to change the min throttle variable as well. If you have the usb programming cabl...
by miniquad
Sat Apr 30, 2011 8:04 pm
Forum: Shields, boards and sensors
Topic: Serial Bluetooth RF Transceiver Module RS232
Replies: 154
Views: 122673

Re: Serial Bluetooth RF Transceiver Module RS232

Zonk, are you using the toshiba BT stack? As far as I know only the toshiba BT stack works along with MultiWii config tool.
by miniquad
Fri Apr 29, 2011 11:55 pm
Forum: Shields, boards and sensors
Topic: arduino with 3,3v and 8 mhz
Replies: 2
Views: 1801

Re: arduino with 3,3v and 8 mhz

I am not sure if this information would be helpful but seems relevant. Ladyada claims, arduino might run at 16Mhz @ 3.3v: m She mentioned at the end of the post: "That's it! You are now 3.3V powered. This is a little lower than the power/frequency specification for the AVR chips since they ough...
by miniquad
Thu Apr 28, 2011 10:00 pm
Forum: Software development
Topic: Smoothing question (getEstimatedAttitude())
Replies: 12
Views: 4096

Re: Smoothing question (getEstimatedAttitude())

Isolating the sensors from vibration results in improved stability of the flight. You may also consider soft foam tapes to attach the sensor/controller board to the quad body which blocks body vibration to be transmitted to the sensors by a big margin.
by miniquad
Fri Apr 22, 2011 10:24 pm
Forum: Shields, boards and sensors
Topic: Serial Bluetooth RF Transceiver Module RS232
Replies: 154
Views: 122673

Re: Serial Bluetooth RF Transceiver Module RS232

does anyone have a working example of a sketch that can be uploaded to a Arduino that will configure this BT module from the code? I cant seem to get it to respond to the AT commands and just need to config it. Ideas? Dpackham, the version of this module I have has one pin that needs to be set high...
by miniquad
Thu Apr 21, 2011 12:40 am
Forum: Shields, boards and sensors
Topic: Serial Bluetooth RF Transceiver Module RS232
Replies: 154
Views: 122673

Re: Serial Bluetooth RF Transceiver Module RS232

A little progress.... Module number 2 shows up on both my computers.... But I am not having much luck with HyperTerminal after building the voltage divider circuit....Anyone got a better alternative? I have the reset line components in and the PIO11 -> 10k -> 3.3V installed on a breadboard. I am us...
by miniquad
Tue Apr 19, 2011 7:02 pm
Forum: Software development
Topic: v1.7: ITG3200 driver: Initialization issue
Replies: 8
Views: 3922

Re: v1.7: ITG3200 driver: Initialization issue

I tried the previous version of your code and my mini quad was flying with a very stable hover. I will try the new version and see if that improves the auto level process further.
by miniquad
Mon Apr 18, 2011 9:51 pm
Forum: Shields, boards and sensors
Topic: Serial Bluetooth RF Transceiver Module RS232
Replies: 154
Views: 122673

Re: Serial Bluetooth RF Transceiver Module RS232

420RcPilot wrote:Hamburger, Miniquad

One last question: Can a normal SFE logic level converter be used instead of the voltage divider solution?

Jussi


I think that is most certainly possible.
by miniquad
Mon Apr 18, 2011 7:57 pm
Forum: General discussions
Topic: Quad X - not flyable - devil inside??
Replies: 8
Views: 4133

Re: Quad X - not flyable - devil inside??

@acid_g, it's good to try to dampen sensor vibration with some foam. But make sure the sensor board is not moving with vibration. It's a good idea to secure the sensor board, so it does not move around due to motor vibration. I was reading on aeroquad thread the other day, a guy was having a unflyab...
by miniquad
Mon Apr 18, 2011 7:52 pm
Forum: Shields, boards and sensors
Topic: Serial Bluetooth RF Transceiver Module RS232
Replies: 154
Views: 122673

Re: Serial Bluetooth RF Transceiver Module RS232

@Jussi, Hamburger is absolutely right about the tx,rx,3v3 and Gnd pins. And yes arduino rx should be connected to BT module tx and arduino tx should be connected to BT module rx.
by miniquad
Mon Apr 18, 2011 7:40 am
Forum: Shields, boards and sensors
Topic: Serial Bluetooth RF Transceiver Module RS232
Replies: 154
Views: 122673

Re: Serial Bluetooth RF Transceiver Module RS232

I have banged away @ a new version of the promini shield that (among other things), has a footprint and passives for hooking up these cheap BT modules.... Need to get a few things straight.... I am assuming that like normally, RX connects to TX and Vice versa for the Arduino-> BT connection. Can so...