Page 1 of 1

is there an ak8963 compass in CF2 ?

Posted: Sat May 02, 2015 4:20 pm
by raph38130
Hi crazyflier,

why is there this ak8963 compass log in crazyflie 2.O ? maybe only a firmware log due to CF1 compatibility ?
there is a compass in mpu 9250 ...
can't find this IC on schematics : U1 EEPROM U9 gyro/accel/comp U10 pressure sensor ???

thanks

SYS: Build 31+:e7c4a66d4457 (2014.12.1) CLEAN
SYS: I am 0x313238323133470439003C and I have 1024KB of flash!
IMU: MPU9250 I2C connection [OK].
IMU: AK8963 I2C connection [OK].
I2CDEV: Error callback nr: 1024
IMU: LPS25H I2C connection [FAIL].

Re: is there an ak8963 compass in CF2 ?

Posted: Sun May 03, 2015 2:42 am
by whoenig
The chip is simply integrated into the MPU 9250. The InvenSense website is fairly sparse, but you can find it when you look through the datasheet (http://www.invensense.com/mems/gyro/doc ... 50A-00.pdf, page 47).

Re: is there an ak8963 compass in CF2 ?

Posted: Fri Jul 24, 2015 5:25 pm
by ThatFlieCray
Link no longer works.
Can you post a working one?
whoenig wrote:The chip is simply integrated into the MPU 9250. The InvenSense website is fairly sparse, but you can find it when you look through the datasheet (http://www.invensense.com/mems/gyro/doc ... 50A-00.pdf, page 47).

Re: is there an ak8963 compass in CF2 ?

Posted: Sat Aug 08, 2015 2:32 am
by chad
ThatFlieCray wrote:Link no longer works.
Can you post a working one?
The info on the MPU-9250 is here.
The direct link to the data sheet is here.

Page 5, section 1.3 (Product Overview) describes the chip.