diff --git a/dependencies/ggc/ggc.js b/dependencies/ggc/ggc.js
new file mode 100644
index 0000000..afbeb8d
--- /dev/null
+++ b/dependencies/ggc/ggc.js
@@ -0,0 +1,526 @@
+/**
+ * @file gate.js
+ *
+ * Permission is hereby granted to any person obtaining a copy of this software 
+ * and associated documentation files (the "Software"), to use it for personal 
+ * or non-commercial purposes, with the following restrictions:
+ *
+ * 1. **No Copying or Redistribution**: The Software or any of its parts may not 
+ *    be copied, merged, distributed, sublicensed, or sold without explicit 
+ *    prior written permission from the author.
+ * 
+ * 2. **Commercial Use**: Any use of the Software for commercial purposes requires 
+ *    a valid license, obtainable only with the explicit consent of the author.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+ * FITNESS FOR A PARTICULAR PURPOSE, AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES, OR OTHER 
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT, OR OTHERWISE, ARISING FROM, 
+ * OUT OF, OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
+ * SOFTWARE.
+ *
+ * Ownership of this code remains solely with the original author. Unauthorized 
+ * use of this Software is strictly prohibited.
+ *
+ * @summary A class to interact and manipulate machines with a non-euclidian curve
+ * @description A class to interact and manipulate machines with a non-euclidian curve
+ * @module ggc
+ * @exports ggc
+ * @version 2.0.0
+ * @since 0.1.0
+ * 
+ * Author:
+ * - Rene De Ren
+ * Email:
+ * - rene@thegoldenbasket.nl
+ * 
+*/
+
+//load local dependencies
+const EventEmitter = require('events');
+const Logger = require('../../../generalFunctions/helper/logger');
+const { MeasurementContainer } = require('../../../generalFunctions/helper/measurements/index');
+const Interpolation = require('../../../predict/dependencies/predict/interpolation');
+//load all config modules
+const defaultConfig = require('./ggcConfig.json');
+const ConfigUtils = require('../../../generalFunctions/helper/configUtils');
+//load registration utility
+const ChildRegistrationUtils = require('../../../generalFunctions/helper/childRegistrationUtils');
+
+class Ggc {
+
+
+  /*-------------------               Construct and set vars               -------------------*/
+  constructor(ggcConfig = {}) {
+
+    //basic setup
+    this.emitter = new EventEmitter();  // Own EventEmitter
+    this.configUtils = new ConfigUtils(defaultConfig);
+    this.config = this.configUtils.initConfig(ggcConfig);
+
+    // Initialize measurements
+    this.measurements = new MeasurementContainer();
+    this.interpolation = new Interpolation();
+    this.child = {}; // object to hold child
+    this.actuators = []; // object to hold actuators
+    this.abortController = null;  // new abort controller for aborting async tasks
+
+    // Init after config is set
+    this.logger = new Logger(this.config.general.logging.enabled, this.config.general.logging.logLevel, this.config.general.name);
+    this.mode = this.config.mode.current;
+
+    this.move_delay = this.config.settings.moveDelay ; //define opening delay in seconds between 2 gates
+    this.state = "gateGroupClosed"; //define default starting state of the gates
+
+    //auto close
+    this.autoClose = true;
+    this.autoCloseTime = this.config.settings.autoClose;
+    this.autoCloseCnt = 0;
+
+    //protection sensor
+    this.safetySensor = false;
+    this.retryDelay = this.config.settings.retryDelay; // in seconds
+    this.closeAttempt = 0;
+    this.maxCloseAttempts = this.config.settings.maxRetries ;
+    this.safetySensorCnt = 0;
+    
+
+    //ground loop trigger
+    this.ground_loop = false;
+    this.ground_loop_start = Date.now();
+    this.ground_loop_open = 10; //define time in seconds for when the ground loop should trigger a respons
+
+    //define if something has gone through the gate
+    this.goneThrough = false;
+
+    //define if the gate is closed
+    this.checkGateClosed = [false, false]; // gate 1 and gate 2
+
+    /* time controlled functions*/
+    //this.sleep = ms => new Promise(res => setTimeout(res, ms));
+
+    this.childRegistrationUtils = new ChildRegistrationUtils(this); // Child registration utility
+  }
+
+
+    isValidSourceForMode(source, mode) {
+        const allowedSourcesSet = this.config.mode.allowedSources[mode] || [];
+        return allowedSourcesSet.has(source);
+    }
+
+    isValidActionForMode(action, mode) {
+        const allowedActionsSet = this.config.mode.allowedActions[mode] || [];
+        return allowedActionsSet.has(action);
+    }
+
+    sleep(ms, signal) {
+        return new Promise((resolve, reject) => {
+            const timer = setTimeout(resolve, ms);
+            // only attach abort listener if a valid signal is provided
+            if (signal && typeof signal.addEventListener === 'function') {
+                signal.addEventListener('abort', () => {
+                    clearTimeout(timer);
+                    reject(new Error('aborted'));
+                });
+            }
+        });
+    }
+
+    // -------- Sequence Handlers -------- //
+    async executeSequence(name) {
+
+        const sequence = this.config.sequences[name];
+        const positions = this.actuators.map(a => a.state.getCurrentPosition());
+        const states = this.actuators.map(a => a.state.getCurrentState());
+
+        if (!sequence || sequence.size === 0) {
+            this.logger.warn(`Sequence '${name}' not defined.`);
+            return;
+        }
+
+        // Abort any prior sequence and start fresh
+        this.abortController?.abort();
+        this.abortController = new AbortController();
+        const { signal } = this.abortController;
+
+        if ( states.some(s => s !== "operational") && name !== "stop2gates" ) {
+            this.logger.warn(`Actuators not operational, aborting sequence '${name}'.`);
+            this.handleInput("parent", "execSequence", "stop2gates");
+            this.sleep(1000).then(() => {
+                this.handleInput("parent", "execSequence", name);
+            });
+            return;
+        }
+
+        try {
+            for (const action of sequence) {
+
+                this.transitionToSequence(action);
+
+                //If someone has already called abort(), skip the delay
+                if (signal.aborted) {
+                    continue;
+                }
+
+                //otherwise, wait for the delay
+                await this.sleep(this.move_delay * 1000, signal);
+            }
+        } catch (err) {
+            if (err.message === 'aborted') {
+                this.logger.debug(`Sequence '${name}' aborted mid-delay.`);
+            } else {
+                this.logger.error(`Error in sequence '${name}': ${err.stack}`);
+            }
+        } finally {
+            // Clean up so we know no sequence is running
+            this.abortController = null;
+        }
+
+    }
+
+
+    async transitionToSequence(action) {
+        this.logger.debug(`Executing action: ${action}`);
+        const positions = this.actuators.map(a => a.state.getCurrentPosition());   
+        const states = this.actuators.map(a => a.state.getCurrentState());
+         
+        // Perform actions based on the state
+        switch (action) {
+            case "openGate1":
+                this.logger.debug("Opening gate 1");
+                this.actuators[0].handleInput("parent", "execMovement", 100);
+                this.checkGateClosed[0] = false;
+                break;
+            case "openGate2":
+                this.logger.debug("Opening gate 2");
+                this.actuators[1].handleInput("parent", "execMovement", 100);
+                break;
+            case "stopGate1":
+                this.logger.debug("Stopping gate 1");
+                // abort the delayed sleep, if any
+                this.abortController?.abort();
+                // immediately stop actuator 1
+                this.actuators[0].stop();
+                break;
+            case "stopGate2":
+                this.logger.debug("Stopping gate 2");
+                // abort the delayed sleep, if any
+                this.abortController?.abort();
+                // immediately stop actuator 2
+                this.actuators[1].stop();
+                break;
+            case "closeGate1":
+                this.actuators[0].handleInput("parent", "execMovement", 0);
+                break;
+            case "closeGate2":
+                this.actuators[1].handleInput("parent", "execMovement", 0);
+                break;
+            default:
+                this.logger.warn(`Unknown state: ${state}`);
+        }
+    }
+
+    async handleInput(source, action, parameter) {
+
+        if (!this.isValidSourceForMode(source, this.mode)) {
+            this.logger.warn(`Invalid source ${source} for mode ${this.mode}`);
+            return;
+        }
+
+        if (!this.isValidActionForMode(action, this.mode)) {
+            this.logger.warn(`Invalid action ${action} for mode ${this.mode}`);
+            return;
+        }
+
+        switch (action) {
+            case 'execSequence':
+                this.executeSequence(parameter);
+                break;
+            case 'setMode':
+                this.setMode(parameter);
+                break;
+            default:
+                this.logger.warn(`Unknown action ${action}`);
+        }
+
+    }
+
+    groundLoopAction(){
+        if(this.ground_loop){
+            //keep track of time
+            this.ground_loop_time = Date.now() - this.ground_loop_trigger;
+        }
+        else{
+            this.ground_loop_time = 0;
+        }
+
+        if(this.ground_loop_time >= ( this.ground_loop_open * 1000) ){
+            this.openGates();
+        }
+    }
+
+    updateMeasurement(variant, subType, value, position) {
+        this.logger.debug(`---------------------- updating ${subType} ------------------ `);
+        switch (subType) {
+        case "power":
+            // Update power measurement
+            this.updatePower(variant, value, position);
+            break;
+        default:
+            this.logger.error(`Type '${type}' not recognized for measured update.`);
+            return;
+        }
+    }
+
+    updatePower(variant,value,position) {
+        switch (variant) {
+        case ("measured"):
+            // put value in measurements
+            this.measurements.type("power").variant(variant).position("wire").value(value);
+            this.eventUpdate();
+            this.logger.debug(`Measured: ${value}`);
+            break;
+
+        default:
+            this.logger.warn(`Unrecognized variant '${variant}' for update.`);
+            break;
+        }
+    }
+
+    eventUpdate() {
+        // Gather raw data in arrays
+        const positions = this.actuators.map(a => a.state.getCurrentPosition());
+        const states    = this.actuators.map(a => a.state.getCurrentState());
+        this.logger.debug(`States: ${JSON.stringify(states)}`);
+        this.logger.debug(`Positions: ${JSON.stringify(positions)}`);
+        const totPower  = this.measurements.type("power").variant("measured").position("wire").getCurrentValue();
+
+        // Utility flags
+        const allOperational   = states.every(s => s === "operational");
+        const allAtOpen        = positions.every(p => p === 100);
+        const allAtClosed      = positions.every(p => p === 0);
+        const allAccelerating  = states.every(s => s === "accelerating");
+        const allDecelerating  = states.every(s => s === "decelerating");
+        const allStopped       = states.every(s => s === "operational") && positions.every( p => p !== 0 && p != 100); 
+        const onlyGateOneAccelerating  = states[0] === "accelerating" && states[1] === "operational";
+        const onlyGateTwoAccelerating  = states[1] === "accelerating" && states[0] === "operational";
+        const onlyGateOneDecelerating  = states[0] === "decelerating" && states[1] === "operational";
+        const onlyGateTwoDecelerating  = states[1] === "decelerating" && states[0] === "operational";
+        const oneOpenOneClosed = allOperational && positions.some(p => p === 0) && positions.some(p => p === 100);
+
+        // Threshold for “spike” detection (tune as needed)
+        const SPIKE_THRESHOLD_1gate = 50;
+        const SPIKE_THRESHOLD_2gates = 100; 
+        const lowerPositionThreshold = 10; // 10% of the total range
+        const upperPositionThreshold = 90; // 90% of the total range
+
+        // When something is blocking the gate we need to reopen the gates (True means nothing is blocking)
+        if (!this.safetySensor) {
+            // always add 1 to the safety sensor counter
+            this.safetySensorCnt++;
+
+            //add 1 to the autoclose counter to check weither we dont exceedd the max retries
+            if(this.autoClose) {
+                this.autoCloseCnt++;
+            }
+            //check if the safety sensor is triggered and the gates are closing 
+            if( allDecelerating || onlyGateOneDecelerating || onlyGateTwoDecelerating) {
+                this.closeAttempt++;
+                this.handleInput("parent", "execSequence", "stop2gates");
+                this.logger.debug("something is blocking the gate, stopping actuators");
+                this.sleep(1000).then(() => {
+                    this.handleInput("parent", "execSequence", "open2gates");
+                });
+            }
+        }
+
+        // Detect if any single gate is decelerating into its stop
+        if( onlyGateOneDecelerating ) {
+            //check for power spike so we know the gate is closed
+            if ( totPower > SPIKE_THRESHOLD_1gate ) {
+                this.logger.debug("Gate 1 is decelerating into the stop (power spike)");
+                //check flag for knowing if the gate is closed
+                this.checkGateClosed[0] = true;
+                this.closeAttempt = 0;
+            }
+        }
+
+        if( allDecelerating || allAccelerating) {
+            if( totPower > SPIKE_THRESHOLD_2gates && ( positions.some(p => p > lowerPositionThreshold) || positions.some(p => p < upperPositionThreshold) ) ) {
+                this.logger.debug("Unexpected power spike detected");
+                // stop the actuators
+                this.handleInput("parent", "execSequence", "stop2gates");
+            }
+        }
+
+        // Decide group state
+        if (allAtOpen && allOperational) {
+                this.state = "gateGroupOpened";
+                //trigger auto close if count is smaller than max
+            if( this.autoClose && this.autoCloseCnt < this.maxCloseAttempts && this.safetySensorCnt > 0) {
+                this.sleep(this.autoCloseTime * 1000).then(() => {
+                    this.handleInput("parent", "execSequence", "close2gates");
+                    //reset the safetySensor count because we are automatically closing the gates and if its bigger than 0 it means some1 passed through it
+                    this.safetySensorCnt = 0;
+                });
+            }
+            this.logger.debug("Gates are open");
+        }
+        else if (allAtClosed && allOperational) {
+            this.state = "gateGroupClosed";
+            //after everything was closed and the auto close is enabled we need to reset the auto close count
+            if(this.autoClose) {
+                this.autoCloseCnt = 0;
+            };
+            this.logger.debug("Gates are closed");
+        }
+        else if (oneOpenOneClosed) {
+            this.state = "oneGateOpenOneGateClosed";
+            this.logger.debug("One gate open, one gate closed");
+        }
+        else if (allAccelerating) {
+            this.state = "gateGroupAccelerating";
+            this.logger.debug("Gates are accelerating");
+        }
+        else if (onlyGateOneAccelerating) {
+            this.state = "gateOneAccelerating";
+            this.logger.debug("Only gate 1 is accelerating");
+        }
+        else if (onlyGateTwoAccelerating) {
+            this.state = "gateTwoAccelerating";
+            this.logger.debug("Only gate 2 is accelerating");
+        }
+        else if (allDecelerating) {
+            this.state = "gateGroupDecelerating";
+            this.logger.debug("Gates are decelerating");
+        }
+        else if (onlyGateOneDecelerating) {
+            this.state = "gateOneDecelerating";
+            this.logger.debug("Only gate 1 is decelerating");
+        }
+        else if (onlyGateTwoDecelerating) {
+            this.state = "gateTwoDecelerating";
+            this.logger.debug("Only gate 2 is decelerating");
+        }
+        else if (allStopped) {
+            this.state = "gateGroupStopped";
+            this.logger.debug("Gates are stopped");
+        }
+        else {
+            this.state = "unknown";
+            this.logger.warn(`Unhandled combination: positions=${positions}, states=${states}`);
+        }
+
+        // if the gates are operational and close but we dont see the truely closed state then we need to nudge the gate to force the close
+    
+    }
+
+    getOutput() {
+
+        // Improved output object generation
+        const output = {};
+
+        //build the output object
+        this.measurements.getTypes().forEach(type => {
+          this.measurements.getVariants(type).forEach(variant => {
+    
+            const downstreamVal = this.measurements.type(type).variant(variant).position("downstream").getCurrentValue();
+            const upstreamVal = this.measurements.type(type).variant(variant).position("upstream").getCurrentValue();
+    
+            if (downstreamVal != null) {
+              output[`downstream_${variant}_${type}`] = downstreamVal;
+            }
+            if (upstreamVal != null) {
+              output[`upstream_${variant}_${type}`] = upstreamVal;
+            }
+            if (downstreamVal != null && upstreamVal != null) {
+              const diffVal = this.measurements.type(type).variant(variant).difference().value;
+              output[`differential_${variant}_${type}`] = diffVal;
+            }
+          });
+        });
+    
+        //fill in the rest of the output object
+        output["mode"] = this.mode;
+        output["totPower"] = this.power;
+        //this.logger.debug(`Output: ${JSON.stringify(output)}`);
+    
+        return output;
+    }
+
+} // end of class
+
+module.exports = Ggc;
+
+/*
+const ggcConfig = {
+    general: {
+        name: "TestGGC",
+        logging: {
+            enabled: true,
+            logLevel: "debug"
+        }
+    },
+    settings: {
+        moveDelay: 3,
+        autoClose: 5,
+        retryDelay: 10,
+        maxRetries: 5
+    }
+};
+
+const ggc = new Ggc(ggcConfig);
+const linearActuator = require('../../../linearActuator/dependencies/linearActuator/linearActuator');
+const linActConfig = 
+{
+    general: {
+        logging: {
+            enabled: true,
+            logLevel: "debug",
+        }
+    },
+    settings: {
+        moveDelay: 3,
+        autoClose: 5,
+        retryDelay: 10,
+        maxRetries: 5
+    }
+};
+const stateConfig = {
+    general: {
+        logging: {
+            enabled: true,
+            logLevel: "debug"
+        }
+    },
+    movement: {
+        speed: 0.1,
+        mode: "staticspeed"
+    },
+    time: {
+        starting: 0,
+        warmingup: 0,
+        stopping: 0,
+        coolingdown: 0
+    }
+};
+
+const gate1 = new linearActuator(linActConfig,stateConfig);
+const gate2 = new linearActuator(linActConfig,stateConfig);
+
+ggc.childRegistrationUtils.registerChild(gate1,"upstream");
+ggc.childRegistrationUtils.registerChild(gate2,"downstream");
+
+
+//open completely 2 gates inside an async IIFE
+(async () => {
+    await ggc.actuators[0].handleInput("parent","execSequence","startup");
+    await ggc.actuators[1].handleInput("parent","execSequence","startup");
+
+    ggc.handleInput("parent","execSequence","open2gates");
+    await ggc.sleep(5000);
+    ggc.handleInput("parent","execSequence","stop2gates");
+    
+})();
+//*/
diff --git a/dependencies/ggc/ggcConfig.json b/dependencies/ggc/ggcConfig.json
new file mode 100644
index 0000000..430fd4e
--- /dev/null
+++ b/dependencies/ggc/ggcConfig.json
@@ -0,0 +1,297 @@
+{
+    "general": {
+      "name": {
+        "default": "gate group control Machine",
+        "rules": {
+          "type": "string",
+          "description": "A human-readable name or label for this machine configuration."
+        }
+      },
+      "id": {
+        "default": null,
+        "rules": {
+          "type": "string",
+          "nullable": true,
+          "description": "A unique identifier for this configuration. If not provided, defaults to null."
+        }
+      },
+      "unit": {
+        "default": "m3/h",
+        "rules": {
+          "type": "string",
+          "description": "The default measurement unit for this configuration (e.g., 'meters', 'seconds', 'unitless')."
+        }
+      },
+      "logging": {
+        "logLevel": {
+          "default": "info",
+          "rules": {
+            "type": "enum",
+            "values": [
+              {
+                "value": "debug",
+                "description": "Log messages are printed for debugging purposes."
+              },
+              {
+                "value": "info",
+                "description": "Informational messages are printed."
+              },
+              {
+                "value": "warn",
+                "description": "Warning messages are printed."
+              },
+              {
+                "value": "error",
+                "description": "Error messages are printed."
+              }
+            ]
+          }
+        },
+        "enabled": {
+          "default": true,
+          "rules": {
+            "type": "boolean",
+            "description": "Indicates whether logging is active. If true, log messages will be generated."
+          }
+        }
+      }
+    },
+    "functionality": {
+      "softwareType": {
+        "default": "gateGroupControl",
+          "rules": {
+            "type": "string",
+            "description": "Specified software type for this configuration."
+        }
+      },
+      "role": {
+        "default": "gate controller",
+        "rules": {
+          "type": "string",
+          "description": "Indicates the role this configuration plays within the system."
+        }
+      }
+    },
+    "asset": {
+      "uuid": {
+        "default": null,
+        "rules": {
+          "type": "string",
+          "nullable": true,
+          "description": "A universally unique identifier for this asset. May be null if not assigned."
+        }
+      },
+      "geoLocation": {
+        "default": {},
+        "rules": {
+          "type": "object",
+          "description": "An object representing the asset's physical coordinates or location.",
+          "schema": {
+            "x": {
+              "default": 0,
+              "rules": {
+                "type": "number",
+                "description": "X coordinate of the asset's location."
+              }
+            },
+            "y": {
+              "default": 0,
+              "rules": {
+                "type": "number",
+                "description": "Y coordinate of the asset's location."
+              }
+            },
+            "z": {
+              "default": 0,
+              "rules": {
+                "type": "number",
+                "description": "Z coordinate of the asset's location."
+              }
+            }
+          }
+        }
+      }
+    },
+    "mode": {
+      "current": {
+        "default": "auto",
+        "rules": {
+          "type": "enum",
+          "values": [
+            {
+              "value": "auto",
+              "description": "Machine accepts setpoints from a parent controller and runs autonomously."
+            },
+            {
+              "value": "virtualControl",
+              "description": "Controlled via GUI setpoints; ignores parent commands."
+            },
+            {
+              "value": "fysicalControl",
+              "description": "Controlled via physical buttons or switches; ignores external automated commands."
+            },
+            {
+              "value": "maintenance",
+              "description": "No active control from auto, virtual, or fysical sources."
+            }
+          ],
+          "description": "The operational mode of the machine."
+        }
+      },
+      "allowedActions":{
+        "default":{},
+        "rules": {
+          "type": "object",
+          "schema":{
+            "auto": {
+              "default": ["statusCheck", "execMovement", "execSequence", "emergencyStop"],
+              "rules": {
+                "type": "set",
+                "itemType": "string",
+                "description": "Actions allowed in auto mode."
+              }
+            },
+            "virtualControl": {
+              "default": ["statusCheck", "execMovement", "execSequence", "emergencyStop"],
+              "rules": {
+                "type": "set",
+                "itemType": "string",
+                "description": "Actions allowed in virtualControl mode."
+              }
+            },
+            "fysicalControl": {
+              "default": ["statusCheck", "emergencyStop"],
+              "rules": {
+                "type": "set",
+                "itemType": "string",
+                "description": "Actions allowed in fysicalControl mode."
+              }
+            },
+            "maintenance": {
+              "default": ["statusCheck"],
+              "rules": {
+                "type": "set",
+                "itemType": "string",
+                "description": "Actions allowed in maintenance mode."
+              }
+            }
+          },
+          "description": "Information about valid command sources recognized by the machine."
+        }
+      },
+      "allowedSources":{
+        "default": {},
+        "rules": {
+          "type": "object",
+          "schema":{
+            "auto": {
+              "default": ["parent", "GUI", "fysical"],
+              "rules": {
+                "type": "set",
+                "itemType": "string",
+                "description": "Sources allowed in auto mode."
+              }
+            },
+            "virtualControl": {
+              "default": ["GUI", "fysical"],
+              "rules": {
+                "type": "set",
+                "itemType": "string",
+                "description": "Sources allowed in virtualControl mode."
+              }
+            },
+            "fysicalControl": {
+              "default": ["fysical"],
+              "rules": {
+                "type": "set",
+                "itemType": "string",
+                "description": "Sources allowed in fysicalControl mode."
+              }
+            }
+          },
+          "description": "Information about valid command sources recognized by the machine."
+        }
+      }
+    },
+    "sequences":{
+      "default":{},
+      "rules": {
+        "type": "object",
+        "schema": {
+          "open2gates": {
+            "default": ["openGate1","openGate2"],
+            "rules": {
+              "type": "set",
+              "itemType": "string",
+              "description": "Sequence of states for starting up the machine."
+            }
+          },
+          "open1gate": {
+            "default": ["openGate1"],
+            "rules": {
+              "type": "set",
+              "itemType": "string",
+              "description": "Sequence of states for shutting down the machine."
+            }
+          },
+          "stop2gates": {
+            "default": ["stopGate1","stopGate2"],
+            "rules": {
+              "type": "set",
+              "itemType": "string",
+              "description": "Sequence of states for stopping the machine."
+            }
+          },
+          "close2gates": {
+            "default": ["closeGate2","closeGate1"],
+            "rules": {
+              "type": "set",
+              "itemType": "string",
+              "description": "Sequence of states for closing the gates."
+            }
+          }
+        }
+      },
+      "description": "Predefined sequences of states for the machine."
+
+    },
+    "settings": {
+      "moveDelay": {
+        "default": 3,
+        "rules": {
+          "type": "number",
+          "description": "delay between opening first and second linear actuator in seconds"
+        }
+      },
+      "autoClose": {
+        "default": 30,
+        "rules": {
+          "type": "number",
+          "description": "When auto close is enabled, the gate will close automatically after this time in seconds"
+        }
+      },
+      "retryDelay": {
+        "default": 5,
+        "rules": {
+          "type": "number",
+          "description": "Delay in seconds before retrying a failed command."
+        }
+      },
+      "maxRetries": {
+        "default": 5,
+        "rules": {
+          "type": "number",
+          "description": "Maximum number of retries for a failed command."
+        }
+      },
+      "groundLoopOpen": {
+        "default": 10,
+        "rules": {
+          "type": "number",
+          "description": "Time before ground loop triggers opening of the gate in seconds"
+        }
+      }
+
+    }
+  }
+  
\ No newline at end of file
diff --git a/ggc.html b/ggc.html
new file mode 100644
index 0000000..3a7a864
--- /dev/null
+++ b/ggc.html
@@ -0,0 +1,284 @@
+<script type="module">
+    
+    import * as menuUtils from "/generalFunctions/helper/menuUtils.js";
+  
+    RED.nodes.registerType("ggc", {
+      category: "digital twin",
+      color: "#4f8582",
+  
+      defaults: {
+        // Define default properties
+        name: { value: "", required: true },
+        enableLog: { value: false },
+        logLevel: { value: "error" },
+
+        // Define specific properties
+        speed: { value: 1, required: true },
+        startup: { value: 0 },
+        warmup: { value: 0 },
+        shutdown: { value: 0 },
+        cooldown: { value: 0 },
+
+        //define general asset properties
+        supplier: { value: "" },
+        subType: { value: "" },
+        model: { value: "" },
+        unit: { value: "" },
+
+      },
+  
+      inputs: 1,
+      outputs: 4,
+      inputLabels: ["Input"],
+      outputLabels: ["process", "dbase", "upstreamParent", "downstreamParent"],
+      icon: "font-awesome/fa-cogs",
+  
+      label: function () {
+        return this.name || "GateGroupControl";
+      },
+  
+    oneditprepare: function () {
+        const node = this;
+
+        console.log("ggc Node: Edit Prepare");
+  
+        const elements = {
+          // Basic fields
+          name: document.getElementById("node-input-name"),
+          // specific fields
+          speed: document.getElementById("node-input-speed"),
+          startup: document.getElementById("node-input-startup"),
+          warmup: document.getElementById("node-input-warmup"),
+          shutdown: document.getElementById("node-input-shutdown"),
+          cooldown: document.getElementById("node-input-cooldown"),
+          // Logging fields
+          logCheckbox: document.getElementById("node-input-enableLog"),
+          logLevelSelect: document.getElementById("node-input-logLevel"),
+          rowLogLevel: document.getElementById("row-logLevel"),
+          // Asset fields
+          supplier: document.getElementById("node-input-supplier"),
+          subType: document.getElementById("node-input-subType"),
+          model: document.getElementById("node-input-model"),
+          unit: document.getElementById("node-input-unit"),
+        };
+
+        const projecSettingstURL = "http://localhost:1880/generalFunctions/settings/projectSettings.json";
+
+      try{
+
+        // Fetch project settings
+        menuUtils.fetchProjectData(projecSettingstURL)
+          .then((projectSettings) => {
+
+            //assign to node vars
+            node.configUrls = projectSettings.configUrls;
+
+            const { cloudConfigURL, localConfigURL } = menuUtils.getSpecificConfigUrl("ggc",node.configUrls.cloud.taggcodeAPI);
+            node.configUrls.cloud.config = cloudConfigURL; // first call
+            node.configUrls.local.config = localConfigURL; // backup call
+
+            node.locationId = projectSettings.locationId;
+            node.uuid = projectSettings.uuid;
+
+            // Gets the ID of the active workspace (Flow)
+            const activeFlowId = RED.workspaces.active(); //fetches active flow id
+            node.processId = activeFlowId;
+
+           // UI elements 
+          menuUtils.initBasicToggles(elements);
+          menuUtils.fetchAndPopulateDropdowns(node.configUrls, elements, node); // function for all assets
+
+        })
+
+      }catch(e){
+        console.log("Error fetching project settings", e);
+      }
+
+      if(node.d){
+        //this means node is disabled
+        console.log("Current status of node is disabled");
+      }
+    },
+  
+    oneditsave: function () {
+      const node = this;
+
+      console.log(`------------ Saving changes to node ------------`);
+      console.log(`${node.uuid}`);
+
+      //save basic properties
+      ["name", "unit", "supplier", "subType", "model"].forEach(
+        (field) => {
+          const element = document.getElementById(`node-input-${field}`);
+          if (element) {
+            node[field] = element.value || "";
+          }
+        }
+      );
+
+      // Save numeric and boolean properties
+      ["speed", "startup", "warmup", "shutdown", "cooldown"].forEach(
+        (field) => {
+          const element = document.getElementById(`node-input-${field}`);
+          if (element) {
+            node[field] = Number(element.value) || 0;
+          }
+        }
+      );
+
+      /*
+      //local db
+      node[field] = node["modelMetadata"][field];
+      //central db
+      node[field] = node["modelMetadata"]["product_model_meta"][field];
+      */
+
+      const logLevelElement = document.getElementById("node-input-logLevel");
+      node.logLevel = logLevelElement ? logLevelElement.value || "info" : "info";
+
+      if (!node.unit) {
+          RED.notify("Unit selection is required.", "error");
+      }
+
+      if (node.subType && !node.unit) {
+        RED.notify("Unit must be set when specifying a subtype.", "error");
+      }
+
+      try{
+        console.log("Saving assetID and tagnumber");
+        console.log(node.assetTagCode);
+        // Fetch project settings
+        menuUtils.apiCall(node,node.configUrls)
+          .then((response) => {
+
+          console.log(" ====<<>>>> API call response", response);
+
+          //save response to node information
+          node.assetId = response.asset_id;
+          node.assetTagCode = response.asset_tag_number;
+          })
+          .catch((error) => {
+            console.log("Error during API call", error);
+          });
+      }catch(e){
+        console.log("Error saving assetID and tagnumber", e);
+      }
+  },
+
+  });
+
+  </script>
+  
+  <!-- Main UI Template -->
+  <script type="text/html" data-template-name="ggc">
+    <div class="form-row">
+      <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
+      <input
+        type="text"
+        id="node-input-name"
+        placeholder="ggc Name"
+        style="width:70%;"
+      />
+    </div>
+  
+    <div class="form-row">
+      <label for="node-input-speed"><i class="fa fa-clock-o"></i> Reaction Speed</label>
+      <input type="number" id="node-input-speed" placeholder="1" />
+    </div>
+  
+    <div class="form-row">
+      <label for="node-input-startup"><i class="fa fa-clock-o"></i> Startup Time</label>
+      <input type="number" id="node-input-startup" placeholder="0" />
+    </div>
+  
+    <div class="form-row">
+      <label for="node-input-warmup"><i class="fa fa-clock-o"></i> Warmup Time</label>
+      <input type="number" id="node-input-warmup" placeholder="0" />
+    </div>
+  
+    <div class="form-row">
+      <label for="node-input-shutdown"><i class="fa fa-clock-o"></i> Shutdown Time</label>
+      <input type="number" id="node-input-shutdown" placeholder="0" />
+    </div>
+  
+    <div class="form-row">
+      <label for="node-input-cooldown"><i class="fa fa-clock-o"></i> Cooldown Time</label>
+      <input type="number" id="node-input-cooldown" placeholder="0" />
+    </div>
+
+    <!-- Optional Extended Fields: supplier, type, subType, model -->
+    <hr />
+    <div class="form-row">
+      <label for="node-input-supplier"
+        ><i class="fa fa-industry"></i> Supplier</label
+      >
+      <select id="node-input-supplier" style="width:60%;">
+        <option value="">(optional)</option>
+      </select>
+    </div>
+    <div class="form-row">
+      <label for="node-input-subType"
+        ><i class="fa fa-puzzle-piece"></i> SubType</label
+      >
+      <select id="node-input-subType" style="width:60%;">
+        <option value="">(optional)</option>
+      </select>
+    </div>
+    <div class="form-row">
+      <label for="node-input-model"><i class="fa fa-wrench"></i> Model</label>
+      <select id="node-input-model" style="width:60%;">
+        <option value="">(optional)</option>
+      </select>
+    </div>
+    <div class="form-row">
+      <label for="node-input-unit"><i class="fa fa-balance-scale"></i> Unit</label>
+      <select id="node-input-unit" style="width:60%;"></select>
+    </div>
+
+    <hr />
+
+    <!-- loglevel checkbox -->
+    <div class="form-row">
+      <label for="node-input-enableLog"
+        ><i class="fa fa-cog"></i> Enable Log</label
+      >
+      <input
+        type="checkbox"
+        id="node-input-enableLog"
+        style="width:20px; vertical-align:baseline;"
+      />
+      <span>Enable logging</span>
+    </div>
+
+  <div class="form-row" id="row-logLevel">
+    <label for="node-input-logLevel"><i class="fa fa-cog"></i> Log Level</label>
+    <select id="node-input-logLevel" style="width:60%;">
+      <option value="info">Info</option>
+      <option value="debug">Debug</option>
+      <option value="warn">Warn</option>
+      <option value="error">Error</option>
+    </select>
+  </div>
+
+  </script>
+  
+  <script type="text/html" data-help-name="ggc">
+    <p>
+      <b>ggc Node</b>: Configure the behavior of a ggc
+      used in a digital twin.
+    </p>
+    <ul>
+      <li><b>Supplier:</b> Select a supplier to populate machine options.</li>
+      <li><b>SubType:</b> Select a subtype if applicable to further categorize the asset.</li>
+      <li><b>Model:</b> Define the specific model for more granular asset configuration.</li>
+      <li><b>Unit:</b> Assign a unit to standardize measurements or operations.</li>
+      <li><b>Speed:</b> Reaction speed of the machine in response to inputs.</li>
+      <li><b>Startup:</b> Define the startup time for the machine.</li>
+      <li><b>Warmup:</b> Define the warmup time for the machine.</li>
+      <li><b>Shutdown:</b> Define the shutdown time for the machine.</li>
+      <li><b>Cooldown:</b> Define the cooldown time for the machine.</li>
+      <li><b>Enable Log:</b> Enable or disable logging for the machine.</li>
+      <li><b>Log Level:</b> Set the log level (Info, Debug, Warn, Error).</li>
+    </ul>
+  </script>
+  
\ No newline at end of file
diff --git a/ggc.js b/ggc.js
new file mode 100644
index 0000000..c2ad8fd
--- /dev/null
+++ b/ggc.js
@@ -0,0 +1,223 @@
+module.exports = function (RED) {
+  function ggc(config) {
+    RED.nodes.createNode(this, config);
+    var node = this;
+
+    try {
+      // Load Machine class and curve data
+      const Ggc = require("./dependencies/ggc/ggc");
+      const OutputUtils = require("../generalFunctions/helper/outputUtils");
+
+      const ggcConfig = {
+        general: {
+          name: config.name || "Unknown",
+          id: node.id,
+          logging: {
+            enabled: config.eneableLog,
+            logLevel: config.logLevel
+          }
+        },
+        asset: {
+          supplier: config.supplier || "Unknown",
+          type: config.machineType || "generic",
+          subType: config.subType || "generic",
+          model: config.model || "generic",
+        }
+      };
+
+      const stateConfig = {
+        general: {
+          logging: {
+            enabled: config.eneableLog,
+            logLevel: config.logLevel
+          }
+        },
+        movement: {
+          speed: Number(config.speed)
+        },
+        time: {
+          starting: Number(config.startup),
+          warmingup: Number(config.warmup),
+          stopping: Number(config.shutdown),
+          coolingdown: Number(config.cooldown)
+        }
+      };
+
+      // Create machine instance
+      const ggc = new Ggc(ggcConfig, stateConfig);
+
+      // put m on node memory as source
+      node.source = ggc;
+
+      //load output utils
+      const output = new OutputUtils();
+
+      function updateNodeStatus() {
+        try {
+          const mode = "auto";//ggc.currentMode;
+          const state =  ggc.state;
+          const totPower = Math.round(ggc.measurements.type("power").variant("measured").position('wire').getCurrentValue()) || 0;
+
+          const SYMBOL_MAP = {
+            gateGroupClosed:            "G1🔴 & G2🔴",
+            gateGroupOpened:            "G1🟢 & G2🟢",
+            gateGroupStopped:           "G1🟥 & G2🟥",
+            gateGroupAccelerating:      "G1🟡 & G2🟡",
+            gateGroupDecelerating:      "G1🟠 & G2🟠",
+            gateOneAccelerating:        "G1🟡 & G2🟢",
+            gateTwoAccelerating:        "G1🟢 & G2🟡",
+            gateOneDecelerating:        "G1🟠 & G2🟢",
+            gateTwoDecelerating:        "G1🟢 & G2🟠",
+            oneGateOpenOneGateClosed:   "G1🟢 & G2🔴",
+            gatePushingStop:            "G1⚡ & G2⚡",
+            unknown:                    "❓ & ❓",
+          };
+
+          symbolState = SYMBOL_MAP[state] || "Unknown";
+
+          const position = "" ; //ggc.getGatePositions();
+          const roundedPosition = Math.round(position * 100) / 100;
+
+          let status;
+          switch (state) {
+            // —— gateGroup states first ——
+            case "gateGroupClosed":
+              status = {
+                fill: "red",
+                shape: "dot",
+                text: `${mode}: ${symbolState}`
+              };
+              break;
+            case "gateGroupOpened":
+              status = {
+                fill: "green",
+                shape: "dot",
+                text: `${mode}: ${symbolState}`
+              };
+              break;
+            case "gateGroupStopped":
+              status = {
+                fill: "red",
+                shape: "dot",
+                text: `${mode}: ${symbolState}`
+              };
+              break;
+            case "oneGateOpenOneGateClosed":
+              status = {
+                fill: "green",
+                shape: "dot",
+                text: `${mode}: ${symbolState}`
+              };
+              break;
+            default:
+              status = { fill: "grey", shape: "dot", text: `${mode}: ${symbolState}` };
+          }
+          return status;
+        } catch (error) {
+          node.error("Error in updateNodeStatus: " + error.message);
+          return { fill: "red", shape: "ring", text: "Status Error" };
+        }
+      }
+
+      function tick() {
+        try {
+          const status = updateNodeStatus();
+          node.status(status);
+
+          //get output
+          const classOutput = ggc.getOutput();
+          const dbOutput = output.formatMsg(classOutput, ggc.config, "influxdb");
+          const pOutput = output.formatMsg(classOutput, ggc.config, "process");
+
+          //console.log(pOutput);
+
+          //only send output on values that changed
+          let msgs = [];
+          msgs[0] = pOutput;
+          msgs[1] = dbOutput;
+
+          node.send(msgs);
+
+        } catch (error) {
+          node.error("Error in tick function: " + error);
+          node.status({ fill: "red", shape: "ring", text: "Tick Error" });
+        }
+      }
+
+      // register child on first output this timeout is needed because of node - red stuff
+      setTimeout(
+        () => {
+          
+          /*---execute code on first start----*/
+          let msgs = [];
+
+          msgs[2] = { topic : "registerChild" , payload: node.id, positionVsParent: "upstream" };
+          msgs[3] = { topic : "registerChild" , payload: node.id, positionVsParent: "downstream" };
+          
+          //send msg
+          this.send(msgs);
+        }, 
+        100
+      );
+  
+      //declare refresh interval internal node
+      
+      setTimeout(
+        () => {
+          //---execute code on first start----
+          this.interval_id = setInterval(function(){ tick() },1000)
+        }, 
+        1000
+      );
+
+      node.on("input", function(msg, send, done) {
+        try {
+
+          /* Update to complete event based node by putting the tick function after an input event */
+          switch(msg.topic) {
+            case 'registerChild':
+              const childId = msg.payload;
+              const childObj = RED.nodes.getNode(childId); 
+              ggc.childRegistrationUtils.registerChild(childObj.source ,msg.positionVsParent);
+              break;
+            case 'setMode':
+              ggc.setMode(msg.payload);
+              break;
+            case 'execSequence':
+              const { source, action, parameter } = msg.payload;
+              ggc.handleInput(source, action, parameter);
+              break;
+            case 'emergencystop':
+              const { source: esSource, action: esAction } = msg.payload;
+              ggc.handleInput(esSource, esAction);
+              break;
+            case 'safetySensor':
+              if(typeof msg.payload === "boolean") {
+                const safetySensor = msg.payload;
+                ggc.safetySensor = safetySensor;
+              }
+
+              break;
+          }
+
+          if (done) done();
+        } catch (error) {
+          node.error("Error processing input: " + error.message);
+          if (done) done(error);
+        }
+      });
+
+      node.on('close', function(done) {
+        if (node.interval_id) clearTimeout(node.interval_id);
+        if (node.tick_interval) clearInterval(node.tick_interval);
+        if (done) done();
+      });
+
+    } catch (error) {
+      node.error("Fatal error in node initialization: " + error.stack);
+      node.status({fill: "red", shape: "ring", text: "Fatal Error"});
+    }
+  }
+
+  RED.nodes.registerType("ggc", ggc);
+};
\ No newline at end of file