Works:
- GY-91 through I2C: gyroscope + accelerometer
 - Serial for external control
 - I2C slave for external control
 - Motors control
 
To-do:
- Wireless connection
 - Position data handling – calibration, filtering, conversion in angles (?)
 - PWM for motors GPIO
 - RPM counts
 
Work in progress here: Feature/esp32 by an-dr Pull Request #1 an-dr/zakhar_platform