diff --git a/logdata_visualization/logdata_visualization.pde b/logdata_visualization/logdata_visualization.pde
index b5fb326..b7210c9 100644
--- a/logdata_visualization/logdata_visualization.pde
+++ b/logdata_visualization/logdata_visualization.pde
@@ -45,6 +45,8 @@ Table logdata;
 int nextID=0; //next row number to be displayed
 long nextTime=0; //time of nextID row
 
+int dataErrorCount=0;
+
 //Data from log
 int cmd_FrontL;
 int cmd_FrontR;
@@ -193,35 +195,37 @@ void draw() {
   
   if (useSerial) {
     while (serial.available() > 0) {
-      println("readUntilLoop");
       serialString = serial.readStringUntil(serial_endchar);
-      println("read:"+serialString);
+      //println("read:"+serialString);
       if (serialString != null) {
         println(serialString);
-        lastTimeData=nextTime;
-        nextTime=loopmillis;
-        
-        
         String[] list = split(serialString, ',');
-        cmd_FrontL=parseInt(list[0]);
-        cmd_FrontR=parseInt(list[1]);
-        cmd_RearL=parseInt(list[2]);
-        cmd_RearR=parseInt(list[3]);
-        current_FrontL=parseFloat(list[4]);
-        current_FrontR=parseFloat(list[5]);
-        current_RearL=parseFloat(list[6]);
-        current_RearR=parseFloat(list[7]);
-        speed_FrontL=parseInt(list[8]);
-        speed_FrontR=parseInt(list[9]);
-        speed_RearL=parseInt(list[10]);
-        speed_RearR=parseInt(list[11]);
-        temp_Front=parseFloat(list[12]);
-        temp_Rear=parseFloat(list[13]);
-        vbat_Front=parseFloat(list[14]);
-        vbat_Rear=parseFloat(list[15]);
-        currentAll=parseFloat(list[16]);    
-        throttle=parseInt(list[17]);
-        brake=parseInt(list[18]);
+        
+        if (list.length==20) {
+        lastTimeData=nextTime;
+        nextTime=int(parseFloat(list[0])*1000);        
+        cmd_FrontL=parseInt(list[1]);
+        cmd_FrontR=parseInt(list[2]);
+        cmd_RearL=parseInt(list[3]);
+        cmd_RearR=parseInt(list[4]);
+        current_FrontL=parseFloat(list[5]);
+        current_FrontR=parseFloat(list[6]);
+        current_RearL=parseFloat(list[7]);
+        current_RearR=parseFloat(list[8]);
+        speed_FrontL=parseInt(list[9]);
+        speed_FrontR=parseInt(list[10]);
+        speed_RearL=parseInt(list[11]);
+        speed_RearR=parseInt(list[12]);
+        temp_Front=parseFloat(list[13]);
+        temp_Rear=parseFloat(list[14]);
+        vbat_Front=parseFloat(list[15]);
+        vbat_Rear=parseFloat(list[16]);
+        currentAll=parseFloat(list[17]);    
+        throttle=parseInt(list[18]);
+        brake=parseInt(list[19]);
+        }else{ //data missing or too much 
+          dataErrorCount++;
+        }
         
       }
     }
@@ -275,10 +279,10 @@ void draw() {
   vis_speed_RearL.setValue(speed_RearL); vis_speed_RearL.drawVis();
   vis_speed_RearR.setValue(speed_RearR); vis_speed_RearR.drawVis();
   
-  vis_current_FrontL.setValue(-current_FrontL); vis_current_FrontL.drawVis();  //TODO: remove negative sign
-  vis_current_FrontR.setValue(-current_FrontR); vis_current_FrontR.drawVis();  //TODO: remove negative sign
-  vis_current_RearL.setValue(-current_RearL); vis_current_RearL.drawVis();  //TODO: remove negative sign
-  vis_current_RearR.setValue(-current_RearR); vis_current_RearR.drawVis();  //TODO: remove negative sign
+  vis_current_FrontL.setValue(current_FrontL); vis_current_FrontL.drawVis();
+  vis_current_FrontR.setValue(current_FrontR); vis_current_FrontR.drawVis();
+  vis_current_RearL.setValue(current_RearL); vis_current_RearL.drawVis(); 
+  vis_current_RearR.setValue(current_RearR); vis_current_RearR.drawVis(); 
   
   vis_throttle.setValue(throttle); vis_throttle.drawVis();
   vis_brake.setValue(-brake); vis_brake.drawVis();
@@ -286,10 +290,10 @@ void draw() {
   int speed_mean=int((speed_FrontL+speed_FrontR+speed_RearL+speed_RearR)/4.0);
   vis_c_speed_mean.setValue(speed_mean); vis_c_speed_mean.drawVis();
   
-  vis_currentAll.setValue(-currentAll); vis_currentAll.drawVis();  //TODO: remove negative sign
+  vis_currentAll.setValue(currentAll); vis_currentAll.drawVis();
   
   vis_graph_speed_mean.setValue(speed_mean); vis_graph_speed_mean.drawVis();
-  vis_graph_currentAll.setValue(-currentAll); vis_graph_currentAll.drawVis();
+  vis_graph_currentAll.setValue(currentAll); vis_graph_currentAll.drawVis();
   
   
   
@@ -304,19 +308,23 @@ void draw() {
   PVector pos_voltage = new PVector(pos_temperature.x+150,12);
   colorMode(HSB, 360, 100, 100);
   fill(color(map(vbat_Front,12*3,12*4.2,0,120),50,100));
-  text("vbat_Front="+(vbat_Front/100.0)+"V", pos_voltage.x,pos_voltage.y);  //TODO: remove /100
+  text("vbat_Front="+(vbat_Front)+"V", pos_voltage.x,pos_voltage.y);
   fill(color(map(vbat_Rear,12*3,12*4.2,0,120),50,100));
-  text("vbat_Rear="+(vbat_Rear/100.0)+"V",  pos_voltage.x,pos_voltage.y+12);  //TODO: remove /100
+  text("vbat_Rear="+(vbat_Rear)+"V",  pos_voltage.x,pos_voltage.y+12);
   
   
   colorMode(RGB, 255, 255, 255);
   fill(color(200,200,200));
   textAlign(LEFT);
-  textSize(12);
+  textSize(vis_textsize);
   text("d="+(nextTime-lastTimeData)+"ms", 5+70,12);
   if (!useSerial && loopmillis-lastTimeData>(nextTime-lastTimeData)*10) { //deviation too high when reading from file
     text("ff="+(loopmillis-lastTimeData)+"ms", 5+70+70,12); //show warning
   }
   
   text("t="+(loopmillis/1000.0)+"s", 5,12);
+  
+  text(""+(dataErrorCount)+" errors", 5,12+vis_textsize);
+  
+  
 }