AzuritBer Firmware

Sorry that i forgot to write... This year the mower makes his job with the Azurit firmware. In the winterdays i'll try my second die board with your firmware. My imu ist damaged, so i need a new one. Wich one is possible to use for both Firmwares? Or is it better to use 2 different imu modules for this project? The standard motors from the shop are ok for the odometry (i use the bigger ones)?
 
AZURITBER --> GY-521 or GY-88 and avoid MPU-9250 (freeze randomly)
AZURIT --> GY-801 or MPU-9250 ?
What the ticks/rev of the big motor from shop ?
Did it have a correct torque at low PWM ??
 
Oben