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New Brain Shield with integrated IMU?
05-01-2018, 10:30 AM
Post: #4
RE: New Brain Shield with integrated IMU?
We will integrate the IMU into the PCB (no need for the i2c cable anymore). We are planning to use the MPU capabilities for more purposes like start or stop the robots just knocking on the table where it stands or to create a small drone just using 4 small dc motors. There will be an i2c bus as well for external sensor as a LIDAR

Regarding the placement of the IMU: it is curious how the final placement of the IMU does not change (considerably) the behavior of the B-robot. Actually, you can put it on top of the robot and not noticing any misbehavior at all. The only problem of using a long i2c: noise and EM interference.
Right now the first desing of the new brain shield has the same footprint and Arduino have but adding:
- The M0 processor
- 2 i2c buses
- 3 stepper motor drivers sockets
- ESP Wifi module
- MPU9250 accelerometer+gyro (way better than the MPU6050)
- SPI port (to control LEDs and others)
- 1-12 volt 1A PWM configurable output (to control air pumps, LEDs, reles, power servos
among other features

We will post info as soon as we have it ;-)
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RE: New Brain Shield with integrated IMU? - JJrobots JP - 05-01-2018 10:30 AM

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