diff --git a/algo.js b/algo.js
deleted file mode 100644
index 4a23bec..0000000
--- a/algo.js
+++ /dev/null
@@ -1,92 +0,0 @@
-const Orientation = Object.freeze({
-    HAUT:   Symbol("haut"),
-    BAS:    Symbol("bas"),
-    GAUCHE: Symbol("gauche"),
-    DROITE: Symbol("droite")
-});
-
-
-class ModeAutomatique {
-
-    casesParcourues = new Array();
-    cheminsParcours = new Array();
-    cheminsConnus = new Array();
-
-
-    constructor(){
-        // valeurs pour la première position
-        posX=0;
-        posY=0;
-        rotation=HAUT;
-    }
-    
-    run(){
-        this.analyseEnvironnement(); // met à jour les obstacles
-        this.move(); // en fonction des chemins connus non encore parcourus
-
-        //obstacle
-        if (!this.aBouge){
-            // recule
-            // teste de 30 degrés
-            // tente d'avancer
-            // teste de 30 degrés
-            // tente d'avancer
-            //
-        }
-    }
-
-    analyseEnvironnement(){
-        if (isCaseAnalysee()) {
-            isObstacleDevant();
-            tourne(); // 
-            isObstacleDevant();
-            tourne();
-            isObstacleDevant();
-            tourne();
-            isObstacleDevant();
-            tourne();
-        }
-        
-        // SI case déjà visitée, alors on connait ses obstacles        
-    }
-
-    isCaseAnalysee(){
-        // TODO
-    }
-
-    updateCoordonnees() {
-        switch (this.rotation) {
-            case Orientation.HAUT:
-              
-              break;
-            case Orientation.BAS:
-            case Orientation.GAUCHE:
-              console.log("Mangoes and papayas are $2.79 a pound.");
-              // Expected output: "Mangoes and papayas are $2.79 a pound."
-              break;
-            case Orientation.DROITE:
-              console.log(`Sorry, we are out of ${expr}.`);
-          }
-    }
-
-}
-
-class Case {
-    coordX;
-    coordY;
-    chemins;
-
-    constructor(coordX, coordY){
-        this.coordX = coordX;
-        this.coordY = coordY;
-        chemins = new Array();
-    }
-
-    addCheminPossible(chemin){
-        this.chemins.push(chemin)
-    }
-
-    getCheminsPossibles(){
-        return this.chemins
-    }
-}
\ No newline at end of file
diff --git a/curl.py b/curl.py
new file mode 100644
index 0000000..c569c7b
--- /dev/null
+++ b/curl.py
@@ -0,0 +1,39 @@
+import requests
+
+import aiohttp
+from aiohttp import web, WSCloseCode
+import asyncio
+
+async def http_handler(request):
+    payload = await request.text()
+    print(payload)
+
+    url = 'http://192.168.185.166/turtle/send'
+    headers = {'content-type': 'application/json'}
+    r = requests.post(url, data=payload, headers=headers)
+
+    print(r.text)
+
+    return web.Response(text=r.text)
+
+
+def create_runner():
+    app = web.Application()
+    app.add_routes([
+        web.post('/', http_handler),
+    ])
+    return web.AppRunner(app)
+
+
+async def start_server(host="127.0.0.1", port=4444):
+    runner = create_runner()
+    await runner.setup()
+    site = web.TCPSite(runner, host, port)
+    await site.start()
+
+
+if __name__ == "__main__":
+    loop = asyncio.get_event_loop()
+    loop.run_until_complete(start_server())
+    loop.run_forever()
+
diff --git a/script.js b/script.js
index 56ff520..abd7add 100644
--- a/script.js
+++ b/script.js
@@ -1,4 +1,5 @@
-const URL = "192.168.185.20";
+const ROBOT_URL = "192.168.185.166";
+const CURL_URL = "localhost:4444";
 const INFO_POSITION = 0x01;
 const INFO_LED = 0x02;
 
@@ -9,14 +10,16 @@ let socketInfos = undefined;
 let moteur = undefined;
 let led = undefined;
 let position = undefined;
+let pid = undefined;
+let turtle = undefined;
 
 
 const connectSockets = () => {
     if ((socketMoteur != undefined) || (socketInfos != undefined)) {
         disconnectSocket();
     }
-    socketMoteur = new WebSocket("ws://" + URL + "/motors.ws");
-    socketInfos  = new WebSocket("ws://" + URL + "/infos.ws");
+    socketMoteur = new WebSocket("ws://" + ROBOT_URL + "/motors.ws");
+    socketInfos  = new WebSocket("ws://" + ROBOT_URL + "/infos.ws");
     socketInfos.binaryType = "arraybuffer";
 
     socketMoteur.onclose = function(event) {
@@ -34,6 +37,10 @@ const connectSockets = () => {
     socketInfos.onopen = function(e) {
         console.log("[socketInfos] Connection established");
         position.reset();
+        led.green();
+        new Promise(r => setTimeout(r, 2000)).then(() => {
+            led.off();
+        });
     };
 
     socketInfos.onclose = function(event) {
@@ -101,7 +108,75 @@ class Moteur {
     stop() {
         this.send(0, 0, 0);
     }
+}
 
+class PID {
+
+    kpx = 0;
+    kix = 0;
+    kdx = 0;
+
+    kpy = 0;
+    kiy = 0;
+    kdy = 0;
+
+    kpr = 0;
+    kir = 0;
+    kdr = 0;
+
+    px = 0;
+    ix = 0;
+    dx = 0;
+
+    py = 0;
+    iy = 0;
+    dy = 0;
+
+    pr = 0;
+    ir = 0;
+    dr = 0;
+
+    tagetX = 0;
+    tagetY = 0;
+    targetR = 0;
+    run = false;
+
+    lastTime = undefined;
+
+    set(targetX, targetY, targetR) {
+        this.targetX = targetX;
+        this.px = 0;
+        this.ix = 0;
+        this.dx = 0;
+
+        this.targetY = targetY;
+        this.py = 0;
+        this.iy = 0;
+        this.dy = 0;
+
+        this.targetR = targetR;
+        this.pr = 0;
+        this.ir = 0;
+        this.dr = 0;
+
+        this.lastTime = Date.now().valueOf();
+        this.run = true;
+    }
+    
+
+    get(currentX, currentY, currentR) {
+        if (!this.run) {
+            return;
+        }
+        const currentTime = Date.now().valueOf();
+        const deltaTime = (currentTime - this.lastTime) / 1000.0;
+
+        this.p
+
+
+        console.log("Time delta : " + deltaTime);
+        this.lastTime = currentTime;
+    }
 
 }
 
@@ -109,23 +184,29 @@ class Led {
 
     http = undefined;
 
-    send(color){
-        this.http = new XMLHttpRequest();
-        this.http.open('POST', 'http://' + URL + '/led/set_color', true);
-        this.http.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
-        this.http.send('ledcolor=' + color);
+    async send(color){
+        await fetch('http://' + ROBOT_URL + '/led/set_color', {
+            method: 'post',
+            headers: { "Content-Type": "application/x-www-form-urlencoded" },
+            mode: "no-cors",
+            body: 'ledcolor=' + color
+        });
     }
 
     red(){
-        this.send("#ff0000")
+        this.send("#ff0000");
     }
 
     green(){
-        this.send("#00ff00")
+        this.send("#00ff00");
     }
 
     blue(){
-        this.send("#0000ff")
+        this.send("#0000ff");
+    }
+
+    off(){
+        this.send("#000000");
     }
 
 }
@@ -144,34 +225,329 @@ class Position {
             const mask = view.getUint8(0);
         
             if (mask & INFO_POSITION) {
-                const position_x = view.getFloat32(1);
-                const position_y = view.getFloat32(5);
-                const position_a = view.getFloat32(9);
+                const posX = view.getFloat32(1);
+                const poxY = view.getFloat32(5);
+                const posR = view.getFloat32(9);
                 
                 if (DEBUG) {
                     console.log(
-                        {"posX": position_x, "posY": position_y, "Rot": position_a }
+                        {"posX": posX, "posY": poxY, "Rot": posR}
                     );
                 }
+
+                pid.get(posX, this.posY, posR);
             }
         });
     }
 
-    reset() {
-        try {
-            const request = new XMLHttpRequest();
-            request.open("GET", "http://" + URL + "/position/reset");
-            request.send();
-        } catch (e) {}
+    async reset() {
+        await fetch("http://" + ROBOT_URL + "/position/reset", {
+            method: 'get',
+            headers: { "Content-Type": "application/x-www-form-urlencoded" },
+            mode: "no-cors"
+        });
+    }
+}
+
+class Turtle {
+
+    async avancer(distance) {
+        const data = {
+            'type': 'dist',
+            'dist': distance,
+        }
+        await fetch("http://" + CURL_URL, {
+            method: "POST",
+            mode: "no-cors",
+            body: JSON.stringify(data),
+        });
+    }
+
+    async tourner(angle) {
+        const data = {
+            'type': 'angle',
+            'angle': angle,
+        }
+        await fetch("http://" + CURL_URL, {
+            method: "POST",
+            mode: "no-cors",
+            body: JSON.stringify(data),
+        });
+
+
+    }
+
+    
+
+}
+
+const Orientation = Object.freeze({
+    HAUT: 0,
+    DROITE: 1,
+    BAS: 2,
+    GAUCHE: 3,
+});
+
+
+class Noeud {
+    coordX;
+    coordY;
+    chemins;
+
+    constructor(coordX, coordY){
+        this.coordX = coordX;
+        this.coordY = coordY;
+        chemins = new Array();
+    }
+
+    addCheminPossible(chemin){
+        this.chemins.push(chemin);
+    }
+
+    getCheminsPossibles(){
+        return this.chemins;
+    }
+
+    toString(){
+        console.log("node : (" + currentNode.getX + "; " + currentNode.getY + ")");
+    }
+
+    toStringWithVoisins(){
+        console.log("node : (" + currentNode.getX + "; " + currentNode.getY + ")");
+        console.log("voisins connus : " + this.chemins.forEach((chemin) => chemin.toString()));
     }
 }
 
 
-function run() {
+class ModeAutomatique {
+
+    cheminsPossibles = new Array(); // liste des listes de noeuds
+    noeudsVisites = new Array();
+
+    // valeurs pour la première position
+    posX=0;
+    posY=0;
+    rotation = Orientation.HAUT;
+    lastRotation = this.rotation;
+    
+    run(){
+        let iter = 0;
+        while(!this.isObjectifTrouve()){
+            console.log("Iteration " + iter++);
+            console.log(this.cheminsPossibles);
+            const currentNode = this.getCaseAnalysee();
+            this.analyseEnvironnement(currentNode); // met à jour ses connaissances (à dessiner au fur et à mesure ?)
+            this.deplacer(currentNode); // récupère un chemin non encore parcourus en fonction de ses connaissances
+            sleep(5000);
+        }
+    }
+
+    isObjectifTrouve(){
+        return false;
+    }
+
+    //////////////////////////////////////// ANALYSE ENVIRONNEMENT
+
+    isObstacleDevant (currentNode, rotation) {
+        return false;
+    }
+
+    analyseEnvironnement(currentNode){
+        // SI case déjà visitée, alors on connait ses obstacles   
+        if (currentNode == null) {
+
+            // pour les 4 directions possibles
+            for (let i = 0; i < 4; i++) {
+                if (!this.isObstacleDevant(currentNode, this.rotation)){
+                    this.addCheminPossible(currentNode);
+                }
+                this.tourne(); // changement de l'angle de 90 degrés
+            }
+            this.noeudsVisites.push(currentNode);
+        }   
+    }
+
+    tourne(){
+        turtle.tourner(-90);
+        this.rotation++;
+        this.rotation %= 4;
+    }
+
+    addCheminPossible(){
+        this.chemin = new Array();
+        if(this.rotation = Orientation.HAUT){
+            this.chemin.push(new Noeud(posX+1, posY));
+        } else if(this.rotation = Orientation.BAS){
+            this.chemin.push(new Noeud(posX-1, posY));
+        }else if(this.rotation = Orientation.GAUCHE){
+            this.chemin.push(new Noeud(posX, posY-1));
+        }else if(this.rotation = Orientation.DROITE){
+            this.chemin.push(new Noeud(posX, posY+1));
+        }
+        this.cheminsPossibles.push(this.chemin);
+    }
+
+    //////////////////////////////////////// MOVE
+
+    deplacer(currentNode){
+        // on choisi le prochain noeud
+        const nextNode = this.getNextNode();
+        if (nextNode != null) {
+            console.log("next node : ");
+            nextNode.toString();
+        }
+        // on met à jour la liste des chemins en ajoutant le noeud courant dans les chemins non choisis
+        this.updatePaths(nextNode);
+        // on met à jour les coordonnées
+        this.updateCoordonnees(currentNode, nextNode);
+        // move
+        this.move();
+    }
+
+    // parcours en profondeur : il s'agit de LIFOs
+    getNextNode(){
+        if (this.cheminsPossibles[this.cheminsPossibles.length - 1] > 0) {
+            // on récupère la dernière liste
+            const cheminChoisi = this.cheminsPossibles[this.cheminsPossibles.length - 1];
+            // on récupère le dernier élément de cette liste
+            const nodeChoisi = cheminChoisi[cheminChoisi.length - 1];
+            console.log("noeud choisi :");
+            nodeChoisi.toString();
+            // on créé un nouveau noeud
+            return new Noeud(nodeChoisi.posX, nodeChoisi.posY);
+        }
+        return null;
+    }
+
+    updatePaths(nextNode){
+        nextNode = this.getCaseAnalysee();
+        // on ajoute le noeud visité à toutes les listes sauf la dernière
+        for (let i=0; i < this.cheminsPossibles -1; i++){
+            const cheminPossible = this.cheminsPossibles[i];
+            if (nextNode == null){
+                // on ajoute le noeud en cours à la liste des noeuds visités
+                cheminPossible.push(nextNode);
+            } else {
+                // on vire le noeud visité de toutes les listes s'il a déjà été visité avant (on fait demi tour)
+                cheminPossible.pop();
+            }
+        }
+
+        // on supprime les listes vides
+        this.cheminsPossibles = this.cheminsPossibles.filter(function (el) {
+            return el.length > 0;
+         });        
+         console.log("nombre de chemins restants : " + this.cheminsPossibles.length)
+         console.log("chemins possibles : " + this.cheminsPossibles)
+    }
+
+    updateCoordonnees(currentNode, nextNode) {
+        console.log("coordonnees : (" + this.posX + "; " + this.posY + ")");
+        this.lastRotation = this.rotation;
+        if (currentNode.getX > nextNode.getX){
+            this.rotation = Orientation.GAUCHE
+            this.posY--;
+        } else if (currentNode.getX < nextNode.getX){
+            this.rotation = Orientation.DROITE
+            this.pos++;
+        } else if (currentNode.getY > nextNode.getY){
+            this.rotation = Orientation.BAS
+            this.posX--;
+        } else {
+            this.rotation = Orientation.HAUT
+            this.posX++;
+        }
+        console.log("new coordonnees : (" + this.posX + "; " + this.posY + ")");
+    }
+
+    move(){
+        // déplacer robot (les coordonnées sont déjà à jour)
+        let aRotater = this.rotation - this.lastRotation;
+        if (aRotater > 2) {
+            aRotater -= 2;
+        }
+        if (aRotater < 2) {
+            aRotater += 2;
+        }
+        aRotater *= 90;
+        turtle.tourner(aRotater);
+        turtle.avancer(100);
+    }
+
+    /////////////////////////////////////// GETTERS
+
+    getCaseAnalysee(){
+        let index = 0;
+        this.noeudsVisites.forEach((noeud) => {
+            if (noeud == null) {
+                console.error(this.noeudsVisites);
+                console.error("INDEX NULL : " + index);
+            }
+            index++;
+            if (noeud.posX == this.posX && noeud.posY == this.posY){
+                return noeud;
+            }
+        });
+        return null;
+    }
+}
+
+
+
+
+async function run() {
     connectSockets();
     moteur = new Moteur();
     led = new Led();
     position = new Position(socketInfos);
+    pid = new PID();
+    turtle = new Turtle();
+    led.red();
+
+
+/*
+
+
+    const socket  = new WebSocket("ws://127.0.0.1:1337/ws");
+    socket.onclose = function(event) {
+        if (event.wasClean) {
+            console.log(`[socket] Connection closed cleanly, code=${event.code} reason=${event.reason}`);
+        } else {
+            console.log('[socket] Connection died');
+        }
+    };
+
+    socket.onopen = function(e) {
+        console.log("[socket] Connection established");
+        socket.send("Test");
+    };
+
+    socket.onerror = function(error) {
+        console.log(`[socket] ERROR : ${error}`);
+    };
+    
+    socket.addEventListener("message", e => {
+        const data = e.data;
+        console.log(data);
+    });
+
+    */
+    
 }
 
 
+async function test() {
+    let d = 190;
+    const data = {
+		'type': 'dist',
+		'dist': d,
+	}
+	await fetch("http://127.0.0.1:4444/", {
+    method: "POST",
+    mode: "no-cors",
+    body: JSON.stringify(data),
+  });
+}
+
+
+
diff --git a/simulateur/main.py b/simulateur/main.py
new file mode 100644
index 0000000..9fed92b
--- /dev/null
+++ b/simulateur/main.py
@@ -0,0 +1,47 @@
+#!/usr/bin/python3.7
+
+import aiohttp
+from aiohttp import web, WSCloseCode
+import asyncio
+
+
+async def http_handler(request):
+    return web.Response(text='Hello, world')
+
+
+async def websocket_handler(request):
+    ws = web.WebSocketResponse()
+    await ws.prepare(request)
+
+    async for msg in ws:
+        if msg.type == aiohttp.WSMsgType.TEXT:
+            if msg.data == 'close':
+                await ws.close()
+            else:
+                await ws.send_str('some websocket message payload')
+        elif msg.type == aiohttp.WSMsgType.ERROR:
+            print('ws connection closed with exception %s' % ws.exception())
+
+    return ws
+
+
+def create_runner():
+    app = web.Application()
+    app.add_routes([
+        web.get('/',   http_handler),
+        web.get('/ws', websocket_handler),
+    ])
+    return web.AppRunner(app)
+
+
+async def start_server(host="127.0.0.1", port=1337):
+    runner = create_runner()
+    await runner.setup()
+    site = web.TCPSite(runner, host, port)
+    await site.start()
+
+
+if __name__ == "__main__":
+    loop = asyncio.get_event_loop()
+    loop.run_until_complete(start_server())
+    loop.run_forever()
\ No newline at end of file