STM32F405 flight control MS5611 + MAX21000 + LSM303 four-axis flight control

Any other STM32 based boards
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RogerClark
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Re: STM32F405 flight control MS5611 + MAX21000 + LSM303 four-axis flight control

Post by RogerClark » Fri Jan 01, 2016 10:20 pm

wow

why are these devices much more expensive than MPU9150 and MPU9250 ?
are they that much better

zmemw16
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Re: STM32F405 flight control MS5611 + MAX21000 + LSM303 four-axis flight control

Post by zmemw16 » Fri Jan 01, 2016 11:19 pm

maybe Max'im is about the price?

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cazimirb
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Re: STM32F405 flight control MS5611 + MAX21000 + LSM303 four-axis flight control

Post by cazimirb » Sat Jan 02, 2016 7:47 am

Not really...MAX21100 (gyro+accelerometer, like MPU6500) used to cost about $6..till it was discontinued. You can still find stocks on TaoBao for this price.
@Roger: I agree that this flight control unit is very expensive (coming from aliexpress, is even more surprising..). From my tests, MAX21100 isn't much better than the widespread MPU9150 and MPU9250 (or MPU6050 and MPU6500). I don't know about the IMU devices from ST, yet..
One can build something similar (not that compact, though) by using a STM32F4 board + separate breakout boards for about $25..

robca
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Re: STM32F405 flight control MS5611 + MAX21000 + LSM303 four-axis flight control

Post by robca » Sun Jan 03, 2016 5:41 pm

I build and fly drones, and I never saw that board before... seems too expensive, though, when other F4 based boards are much cheaper:

http://www.banggood.com/OpenPilot-CC3D- ... 00068.html

Or proven boards are the same price http://www.multirotorsuperstore.com/con ... ulabs.html

But right now most newer boards tend to be F3 based, not F4, (the wider availability of good firmware for the F3 processors). Most of the boards being used are still F1, since the F1 still has more than enough processing power for most users

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