diff --git a/src/__pycache__/configDialog.cpython-312.pyc b/src/__pycache__/configDialog.cpython-312.pyc
index d01d209..4130735 100644
Binary files a/src/__pycache__/configDialog.cpython-312.pyc and b/src/__pycache__/configDialog.cpython-312.pyc differ
diff --git a/src/__pycache__/graph.cpython-312.pyc b/src/__pycache__/graph.cpython-312.pyc
index 65f0f04..fc81c94 100644
Binary files a/src/__pycache__/graph.cpython-312.pyc and b/src/__pycache__/graph.cpython-312.pyc differ
diff --git a/src/__pycache__/renderer.cpython-312.pyc b/src/__pycache__/renderer.cpython-312.pyc
index 3a6b49c..1d9066b 100644
Binary files a/src/__pycache__/renderer.cpython-312.pyc and b/src/__pycache__/renderer.cpython-312.pyc differ
diff --git a/src/__pycache__/sim.cpython-312.pyc b/src/__pycache__/sim.cpython-312.pyc
index ac4f2e9..b10fbd8 100644
Binary files a/src/__pycache__/sim.cpython-312.pyc and b/src/__pycache__/sim.cpython-312.pyc differ
diff --git a/src/__pycache__/window.cpython-312.pyc b/src/__pycache__/window.cpython-312.pyc
index 8da0f7d..997e303 100644
Binary files a/src/__pycache__/window.cpython-312.pyc and b/src/__pycache__/window.cpython-312.pyc differ
diff --git a/src/configDialog.py b/src/configDialog.py
index bddac56..471ab15 100644
--- a/src/configDialog.py
+++ b/src/configDialog.py
@@ -22,7 +22,7 @@ def initForms(self):
         self.acceLabel  = widgets.QLabel()
         self.acceLabel.setText("Aceleração")
         self.acceIn     = widgets.QLineEdit()
-        self.acceIn.setText(obj.acce.__str__())
+        self.acceIn.setText(sum(obj.acce).__str__())
 
         self.time0Label = widgets.QLabel()
         self.time0Label.setText("Tempo Inicial")
@@ -101,6 +101,7 @@ def updateStuff(self):
         self.parent.AGraph.setPlot(t, a)
         self.parent.VGraph.setPlot(t, v)
         self.parent.gScene.sim = obj
+        self.parent.nodeDialog.sim = obj
         self.parent.reset()
         self.parent.timer.start()
         self.close()
diff --git a/src/graph.py b/src/graph.py
index 413a500..18c47b0 100644
--- a/src/graph.py
+++ b/src/graph.py
@@ -127,7 +127,7 @@ def update(self):
         if(ymax == 0):
             ymod = 0.13
         elif(min(self.y)) < 0 and (max(self.y) > 0):
-            ymod = (ymax) + abs(min(self.y)) 
+            ymod = max(self.y) + abs(min(self.y)) 
         elif(abs(max(self.y)) == abs(min(self.y))):
             ymod = ymax
         else:
diff --git a/src/nodeDialog.py b/src/nodeDialog.py
new file mode 100644
index 0000000..e2db363
--- /dev/null
+++ b/src/nodeDialog.py
@@ -0,0 +1,67 @@
+import PyQt6.QtWidgets as widgets
+import PyQt6.QtGui as gui
+from data import Data
+import graph
+
+class NodeDialog(widgets.QDialog):
+    def __init__(self, parent, simu):
+        super().__init__()
+        self._main = widgets.QWidget(self)
+        self.mainLayout = widgets.QFormLayout(self._main)
+        self.sim = simu
+        self.parent = parent
+        self.setWindowTitle("Noder 3000")
+        self.initForms()
+
+    def initForms(self):
+        self.acceLabel  = widgets.QLabel()
+        self.acceLabel.setText("Aceleração")
+        self.acceIn     = widgets.QLineEdit()
+        self.acceIn.setText("0")
+
+        self.timeFLabel = widgets.QLabel()
+        self.timeFLabel.setText("Intervalo")
+        self.timeFIn    = widgets.QLineEdit()
+        self.timeFIn.setText(self.sim.TimeF.__str__())
+
+        self.submitBtn  = widgets.QPushButton()
+        self.submitBtn.setText("Atualizar")
+
+
+        self.mainLayout.addWidget(self.acceLabel)
+        self.mainLayout.addWidget(self.acceIn)
+
+        self.mainLayout.addWidget(self.timeFLabel)
+        self.mainLayout.addWidget(self.timeFIn)
+
+        self.mainLayout.addWidget(self.submitBtn)
+
+        self.submitBtn.clicked.connect(self.updateStuff)
+
+        self.setFixedSize(165, 150)
+
+    def updateStuff(self):
+        self.parent.timer.stop()
+        
+        self.sim.addNode(int(self.timeFIn.text()), int(self.acceIn.text()))
+
+        t = []
+        s = []
+        a = []
+        v = []
+
+        for dat in self.sim.dataArr:
+            t.append(dat.time)
+            s.append(dat.pos)
+            a.append(dat.acce)
+            v.append(dat.vel)
+        
+        self.parent.SGraph.setPlot(t, s)
+        self.parent.AGraph.setPlot(t, a)
+        self.parent.VGraph.setPlot(t, v)
+        self.parent.gScene.sim = self.sim
+        self.parent.reset()
+        self.parent.timer.start()
+        self.close()
+        
+    
\ No newline at end of file
diff --git a/src/renderer.py b/src/renderer.py
index 468575a..1d10246 100644
--- a/src/renderer.py
+++ b/src/renderer.py
@@ -28,17 +28,21 @@ def __init__(self, parent, view, sim):
 
     def run(self):
          self.text.setPos((self.view.width()/2) - ((self.text.boundingRect().width()*5)/2), ((self.height()/2)) - ((self.text.boundingRect().height()) * 5)/2)
-         index = int(self.elapsedTime - self.sim.Time0) if int(self.elapsedTime - self.sim.Time0) < self.sim.TimeF else self.sim.TimeF - 1
+         index = int(self.elapsedTime - self.sim.Time0) if int(self.elapsedTime - self.sim.Time0) < self.sim.TimeF else self.sim.TimeF
+         if index < 0:
+             index = 0
          self.text.setPlainText("T={}, a={}, S={}, V={}".format(self.elapsedTime if self.elapsedTime > 0 else 0, 
-                                                                self.sim.acce, 
+                                                                self.sim.dataArr[index].acce, 
                                                                 round(self.sim.dataArr[index].pos, 2),
-                                                                self.vel))
+                                                                self.sim.dataArr[index].vel))
+                                                             
          if self.isRunning and self.elapsedTime < self.sim.TimeF:
             print("renderer: {}".format(str(self.elapsedTime)))
             if self.elapsedTime > self.sim.Time0:
-                self.vel += self.sim.acce
-                pos = (self.runner.x() + (self.vel))
-                self.runner.setX(pos)
+                acce = self.sim.dataArr[index].acce
+                self.vel += acce
+                #pos = (self.runner.x() + (self.vel))
+                self.runner.setX(self.sim.dataArr[index+1].pos)
             self.elapsedTime+= 1
          self.runner.setY((self.height()/2) - 100/2)
 
diff --git a/src/sim.py b/src/sim.py
index 6bec136..3070d7b 100644
--- a/src/sim.py
+++ b/src/sim.py
@@ -8,7 +8,7 @@ class Simulation():
 
     startVel = 0 
     currVel = 0
-    acce = 0 
+    acce = []
 
     startPos = 0 
     pos = 0
@@ -19,9 +19,14 @@ class Simulation():
     def __init__(self, vel, pos, acce, time0, timeF):
         self.startVel = vel
         self.startPos = pos
-        self.acce = acce
+        self.vel = vel
+        self.pos = pos
+        self.acce = []
+        self.acce = [acce]
         self.Time0 = time0
         self.TimeF = timeF
+        print("TimeF= {}".format(self.TimeF))
+        self.currTime = 0
         self.dataArr = []
         self.reset()
         self.run()
@@ -39,13 +44,13 @@ def setPos(self, pos):
     
     #run simulation
     def run(self):
-        #self.dataArr.append(data.Data(self.startPos, self.currTime + self.Time0, self.startVel, self.acce))
+        self.dataArr.append(data.Data(self.startPos, self.currTime + self.Time0, self.startVel, self.acce[0]))
         while self.currTime + self.Time0 < (self.TimeF):
             self.currTime+=1
-            vel = self.startVel + self.acce*self.currTime
-            pos = self.startPos + self.startVel * self.currTime + (self.acce*pow(self.currTime, 2)) * 0.5
+            self.vel = self.startVel + self.acce[0]*self.currTime
+            self.pos = self.startPos + self.startVel * self.currTime + (self.acce[0]*pow(self.currTime, 2)) * 0.5
             #Amém
-            self.dataArr.append(data.Data(pos, self.currTime + self.Time0, vel, self.acce))
+            self.dataArr.append(data.Data(self.pos, self.currTime + self.Time0, self.vel, self.acce[0]))
         print(self.dataArr[0].vel)
 
     #reset the simulation
@@ -54,6 +59,15 @@ def reset(self):
         self.pos = self.startPos
         self.currTime = 0
 
-
+    def addNode(self, deltaT, acce):
+        self.acce.append(acce)
+        print("TimeF= {}".format(self.TimeF))
+        print("deltaT= {}".format(deltaT))
+        while self.currTime < (deltaT + self.TimeF):
+            self.currTime+=1
+            self.vel += acce
+            self.pos += self.vel
+            self.dataArr.append(data.Data(self.pos, self.currTime, self.vel, acce))  
+        self.TimeF += deltaT
 
 obj = Simulation(0, 0, 1, 0, 50)
\ No newline at end of file
diff --git a/src/window.py b/src/window.py
index aa68bca..129df11 100644
--- a/src/window.py
+++ b/src/window.py
@@ -6,6 +6,7 @@
 from graph import g
 import sim
 from configDialog import ConfigDialog
+from nodeDialog import NodeDialog
 
 import numpy as np
 
@@ -101,10 +102,16 @@ def _setupConfigWidget(self):
 
         alterarBtn = QPushButton(self.ConfigWidget)
         alterarBtn.setText("Alterar Params")
-        self.configDialog = ConfigDialog(self) 
-        configLayout.addWidget(alterarBtn)
 
+        nodeBtn = QPushButton(self.ConfigWidget)
+        nodeBtn.setText("Adicionar Nó")
+
+        self.configDialog = ConfigDialog(self)
+        self.nodeDialog = NodeDialog(self, sim.obj)
+        configLayout.addWidget(alterarBtn)
+        configLayout.addWidget(nodeBtn)
         alterarBtn.clicked.connect(self.invokeCfgDialog)
+        nodeBtn.clicked.connect(self.invokeNodeDialog)
 
     #setup QGraphics
     def _setupQGraphics(self):
@@ -168,6 +175,9 @@ def update(self):
 
     def invokeCfgDialog(self):
         self.configDialog.show()
+    def invokeNodeDialog(self):
+        self.nodeDialog.show()
+
 
 
 qapp = QtWidgets.QApplication(sys.argv)