docs: def limit_current(self, curr):
          """Sets the current limit on the Grizzly. The units are in amps. The
          internal default value is 5 amps."""
          if curr <= 0:
              raise ValueError("Current limit must be a positive number. You provided: %s" % str(curr))
          current = int(curr * (1024.0 / 5.0) * (66.0 / 1000.0))
          self._set_as_int(Addr.CurrentLimit, current, 2)