#!/usr/bin/env python3
import hid

USB_VID = 0x6969
USB_PID = 0x0004

def main():
  hid_handle = hid.device()
  hid_handle.open(vendor_id=USB_VID, product_id=USB_PID)

  try:
    hid_handle.write(b'\x00test')
  finally:
    hid_handle.close()

if __name__ == '__main__':
  main()