Repo for documents and firmware of VNM Direct Drive
1. Upload firmware
  - Hold reset button for few second and VNM Config will detect DFU device
  - Download and install Update Tool (VNM Flash) in https://vnmsimulation.com/download
  - Open VNM Flash -> click to cart icon, choose device vnm_direct_drive and choose version -> click on download icon 
  - choose the firmware, click flash. After finsihing, click short reset to quite DFU mode. Dont touch to the steering wheel or servo
  - Motor will run 1 round CCW and CW to calibrate. After it stop for 5 seconds, you can use now.