// controls the PearModule
        public static void SetPearModule(Part _part2, PearPowerController _pPC)
        {
            PearModule           pM  = _part2.GetComponent <PearModule>();
            ModuleDeployablePart mDP = _part2.GetComponent <ModuleDeployablePart>();
            PearPowerController  pPC = _pPC;

            if (pPC.isPowerOn && mDP.deployState == ModuleDeployablePart.DeployState.RETRACTED ||
                mDP.deployState == ModuleDeployablePart.DeployState.RETRACTING)
            {
                pM.Events["ExtendAll"].active  = true;
                pM.Events["RetractAll"].active = false;
            }

            else if (pPC.isPowerOn && mDP.deployState == ModuleDeployablePart.DeployState.EXTENDED ||
                     mDP.deployState == ModuleDeployablePart.DeployState.EXTENDING)
            {
                pM.Events["ExtendAll"].active  = false;
                pM.Events["RetractAll"].active = true;
            }

            else if (!pPC.isPowerOn || mDP.deployState == ModuleDeployablePart.DeployState.BROKEN)
            {
                pM.Events["ExtendAll"].active  = false;
                pM.Events["RetractAll"].active = false;
            }
        }
        // power button controller
        public static void PowerTogglePressed(Part _part, int sender)
        {
            PearPowerController pPC = _part.GetComponent <PearPowerController>();

            if (HighLogic.LoadedSceneIsEditor)
            {
                if (pPC.isPowerOn)
                {
                    pPC.isPowerOn  = false;
                    pPC.pearStatus = "OFFLINE";
                }
                else
                {
                    pPC.isPowerOn  = true;
                    pPC.pearStatus = "Active";
                }
            }

            else if (HighLogic.LoadedSceneIsFlight)
            {
                if (!pPC.isPowerOn && sender == 0)
                {
                    pPC.isPowerOn  = false;
                    pPC.pearStatus = "OFFLINE";
                }
                else if (pPC.isPowerOn && sender == 0)
                {
                    pPC.isPowerOn  = true;
                    pPC.pearStatus = "Active";
                }
                else if (pPC.isPowerOn && sender == 1)
                {
                    pPC.isPowerOn  = false;
                    pPC.pearStatus = "OFFLINE";
                }
                else if (!pPC.isPowerOn && sender == 1)
                {
                    pPC.isPowerOn  = true;
                    pPC.pearStatus = "Active";
                }

                SetPearModule(_part, pPC);
            }
        }