Controller of the VNH5019 servo H-Bridge.
  
  * Installation:
  See INSTALL file.
  
  * Usage:
  - Connect uUSB cable to connector CNT5 of STM32.
  - You can change the default value of PWMs output by changing value in 'config.json' file with:
    * val0: pwm percentage value of PWM 1 (int -100 to 100)
    * val1: pwm percentage value of PWM 2 (int -100 to 100)
  - Reset board.
  - Find the name of the virtual serial device created i.e. look in the "/dev" directory for a file in the form "/dev/ttyACMx" (To be sure look kernel output with 'dmesg' or 'journalctl -xe'.
  - launch the client to change output value of PWM, for example:
  $ python3 client_directory/pwm_client /dev/ttyACM1