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

  RATED:

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!

Features:
• 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)

Specs:
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


Weight: 34g Quantity: 
stock
10+
Price$33.99


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 Customer rated
410
crowns
  
 
Total of 174 discussions.
Tracey  1 points - 7/11/2014
 
in multiconfig each motor goes to max throttle if its turned to 100% quickly but then only my ccw motors will keep spinning at max throttle on my xquad. the cw motors will gradually reduce to about half throttle on the front and no throttle at all to the rear. please help
 Jase73 521 points
Make sure you are using multiwii config tool 2.3 also. Try reducing your motor min value. I set mine to 1000 as I did not like the spin when armed... Also sounds like you need to calibrate your esc's
Shinobi  37 points - 7/7/2014
 
So I figured out how to get this board flying, and have the bluetooth module connected. However, AUX2 is not working. Trying to remap to pin 12 doesn't work. RX0 doesn't appear to be on this board? Where the heck do I connect aux2 if bluetooth shares RX0?
 Jase73 521 points
You need to connect aux2 to d12 it doesn't connect to the serial.
Shinobi  37 points - 6/30/2014
 
What software am I supposed to load onto this board? Now that I got this board home, I realised how extremely little info there is to be had.. :( If there's a software more tailored to acrobatic flying that's the one I want.
mughil  8 points - 6/27/2014
 
can anyone help to get the schematics of this board to identify reset pin as my multiwii board accidentally bricked.i need to upload arduino bootloader but i couldn't find the reset pin ..thanks in advance.
 Jase73 521 points
Use an usbasp adapter it doesn't need the reset pin...
BEST ANSWER CREDIT AWARDED
tricopterY  1001 points - 6/18/2014
 
You cannot go wrong with this FC, if you set it up right. Highly recommended.
Customer Reviews
Overall Rating
tukan
26 likes
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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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Overall Rating
tricopterY
1000 likes
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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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Overall Rating
Oliver
3 likes
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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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Overall Rating
Yulika
8 likes
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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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klm77
2 likes
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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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