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  Item found in the following categories;
> Multi-Rotors & Parts > Flight Controller
> Robotics & DIY > Arduino


MultiWii MicroWii ATmega32U4 Flight Controller USB/BARO/ACC/MAG

MultiWii MicroWii ATmega32U4 Flight Controller USB/BARO/ACC/MAG
MultiWii MicroWii ATmega32U4 Flight Controller USB/BARO/ACC/MAG

The MicroWii is a complete multi-rotor flight controller. It is based on the ATmega32U4, which is the processor of the Arduino Leonardo. The MicroWii incorporates an MPU-6050 chip, which is a combined gyro and accelerometer plus a precise MS5611 barometer and HMC5883L magnetometer.

This is the ultimate solution for powerful flight performance with your multi-rotor project. The possibilities are endless with the MicroWii, only limited by your imagination!

• USB on chip (no FTDI or UART needed)
• Free serial port (it's possible to use a DSM2 satellite together with the GUI)
• 6 receiver inputs
• 6 high resolution (11-bit) PWM outputs
• Supports all configs up to OKTO with cam-stab support
• 2.5kB RAM
• ATmega32U4 based with Leonardo Bootloader
• 10DOF sensor array
• MPU-6050 (GYRO/ACC)
• HMC-5883L (MAG)
• MS5611-01BA03 (BARO)
• Bluetooth/GPS connector (on bottom; only GPS or DSM2 satellite can be used at one time since the 32U4 only has one UART)

Main chip: ATmega32U4
CPU speed: 16MHz
Flash size: 32kB (3.3kB are taken by the Bootloader)
Input: 6 x high-res RX inputs (2 AUX channels)
Output: 6~8 motor outputs (motor 1-6 are 11-bit PWM)
Dimension: 50x50x16mm
Weight: 14g

PRODUCT ID: 9387000008

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Price $33.99

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 Customer rated
Total of 179 discussions.
ashwin  7 points - 8/23/2014
does it have return to launch, maintain flight heading and altitude with the extra gps module. if yes tell me where to connect the gps
Sebastian  7 points - 7/30/2014
will it work directly with the gps NEo 6M board without changing baud etc.?
 tricopterY 1057 points
This FC is incapable of interfacing to a Serial GPS like NEO-6M. It lacks large enough Flash Memory to accommodate the GPS Enabled Firmware i.e it exceeds the available 28KB. Go for MultiWii and MegaPirate AIO. PRODUCT ID: 387000007. If you already have this FC you can use GPS modules with I2C daughter boards (has its own MCU for I2C Comms). Search Google for this type of GPS on ebay.
STAMPBAGS  37 points - 7/30/2014
well naze32 you can buy everthing on ebay 14usd complete for funfly version!add gps and there always in stock if you can solder 5 parts onto board easy for anyone!
STAMPBAGS  37 points - 7/29/2014
is this the same as a naze32 board? davidringler 40 * yahoo com please someone let me know?
 Kickingmad 27 points
Hi there This board has similar hardware but I don't think it's any where near as good as the naze32. I have the naze32 on my fpv250 and it's great. I also have one of these but I'm just waiting for a frame to be delivered to put this one in so I'm not to sure how it performs. Go with the naze 32 I can promise you won't be disappointed.
 tricopterY 1057 points
Naze32 uses STM 32-bit ARM Cortex M3 processor (72MHz, 3.3V), miles ahead compare to the processor on this FC. But, the same firmware is used (port of MultiWii 32 bit). The question remains - the extra power under the hood is not used, as the MCU is idling most of the time. If you can get Naze32 (out of stock world-wide) its nice to have it. Otherwise this FC performs extremely well and more than enough for most hobbyists. Happy flying.
 tricopterY 1057 points
The Quad at 13:20 uses this FC. I think it flies really well given my piloting skills.
 tricopterY 1057 points
....Poor piloting skills.
 Kickingmad 27 points
That does fly well seems very stable I will find out when I get my next fpv250 clean/dirty frame. Your flying isn't bad at all I've found it takes a lot of practice not to hit trees.
 Kickingmad 27 points
Where did that tree come from lol
 tricopterY 1057 points
...yeh, especially those trees that manage to grow 12 meters in couple of seconds -:)
Walter  6 points - 7/28/2014
Hi, very strange i installed version 3.1.5 rc2 of MegapirateNg on this board with the flashtool of megapirateNg, but when i go into mission planner and i look to the false horizon and i bank the quad left the horizon banks right, the same i bank right and the horizon banks left. Anybody any idea Thanks in advance \/\/alter
 Walter 6 points
Oeps i selected the wrong board sorry guys
Customer Reviews
Overall Rating
Like it?
Unfortunately, this board does not work too. If you set "# define A32U4ALLPINS" so you otherwise transform function on pins 'input'. Also in version 2.1 MultiWii not work "common setting ESC". The problem is also with the USB driver in W7 (the problem is already described on the Internet). Tile not responsible Flyduino board layout components and thus not working.

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I uncommented #define FREEIMUv043 and #define A32U4ALLPINS. (the first define identifies the FC and makes sure the new sensors are all made active, and the second one clobbers all the receiver pin-outs, if you want to use all pins) The receiver inputs change from what the labels say on the board to the followings: Throttle remains Throttle, Roll becomes Yaw, Pitch becomes Aux1, Yaw becomes Pitch and Aux1 becomes Roll. I don't use Aux2, but intuitively it should remain unchanged. I am using it on a scratch built Tri-Copter and it flies very well, using the stock PIDs. The sensors on this board are really good. I am very happy with this board. Make sure you install USB driver for Leonardo, in order to be able to connect to this board on Windows.

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It is a good value. But the minimalistic manual is wrong. either you do not uncomment //#define a32u4allpins or you uncomment it and connect the corresponding channels from the receiver to the Flight Control in the right order (you can watch it in the MultiWii-Config Utility). When connecting the board to PC, try to connect it to an USB 2.0 Port, not USB 3.0. That can save you a lot of trouble. My Quadrocopter is flying pretty well. Check Video 61745350 on vimeo.

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Uncomment #define A32U4ALLPINS #define FREEIMUv043 and #define RCAUX2PIND17 for AUX2 It works! sequence pins from thr: thr, yaw, aux1, pitch, roll, aux2

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Ho montato questa Multiwii sul x230 mini quadcopter, finalmente sono riuscito a fare funzionare tutto. Ho usato il software multiwii 2.2, per fare andare la scheda e poter usare tutti i canali bisogna attivare questi valori nel file config.h #define FREEIMUv043 // same as FREEIMUv04 with final MPU6050 (with the right ACC scale) #define FORCE_MAG_ORIENTATION(X, Y, Z) {magADC[ROLL] = X; magADC[PITCH] = Y; magADC[YAW] = Z;} #define A32U4ALLPINS #define RCAUX2PIND17 facendo questo la pinnatura dell'input della rx sarà modificata risultera la seguente partendo dal THR: Thr - Yaw (Coda) - Aux1 - Pitch (Elevatore) - Roll (Alettoni) - Aux2 Cosa molto importante è anche mettere la scheda nel verso giusto, il senso della freccia e la lettera N serigrafata sulla scheda indicano il verso di montaggio, in pratica la scheda andrà montata col connettore USB rivolto nella parte posteriore del quad, e cmq non di spigolo come altri fight controller. Prossimamente montero anche un GPS, ma adesso devo prima affinare i settari, anche se con quelli di default il quad vola gia abbastanza bene.

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