diff --git a/java_console/ui/src/main/java/com/rusefi/sensor_logs/BinarySensorLog.java b/java_console/ui/src/main/java/com/rusefi/sensor_logs/BinarySensorLog.java
new file mode 100644
index 0000000000..93db134426
--- /dev/null
+++ b/java_console/ui/src/main/java/com/rusefi/sensor_logs/BinarySensorLog.java
@@ -0,0 +1,72 @@
+package com.rusefi.sensor_logs;
+
+import com.rusefi.FileLog;
+import com.rusefi.core.Sensor;
+
+import java.io.*;
+
+public class BinarySensorLog extends SensorLog {
+    private BufferedWriter stream;
+
+    public static void main(String[] args) {
+        BinarySensorLog l = new BinarySensorLog();
+        l.writeSensorLogLine();
+    }
+
+    @Override
+    public double getSecondsSinceFileStart() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    void writeSensorLogLine() {
+        if (stream == null) {
+            FileLog.createFolderIfNeeded();
+            String fileName = FileLog.DIR + "rusEFI_gauges_" + FileLog.getDate() + ".mlg";
+
+            try {
+                stream = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(fileName)));
+            } catch (IOException e) {
+                e.printStackTrace();
+                stream = null;
+            }
+
+            try {
+                for (char c : "MLVLG\0".toCharArray()) {
+                    stream.write(c);
+                }
+                stream.write(0);
+                stream.write(1);
+
+
+                for (Sensor sensor : SensorLogger.SENSORS) {
+                    String name = SensorLogger.getSensorName(sensor, 0);
+                    String unit = sensor.getUnits();
+
+                    writeLine(stream, name, 34);
+                    writeLine(stream, unit, 11);
+
+                    stream.write(0);
+                    stream.write(0);
+                    stream.write(0);
+                    stream.write(0);
+
+
+                }
+
+                stream.close();
+
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    private void writeLine(BufferedWriter stream, String name, int length) throws IOException {
+        for (int i = 0; i < name.length(); i++) {
+            stream.write(name.charAt(i));
+        }
+        for (int i = name.length(); i < length; i++)
+            stream.write(0);
+    }
+}
diff --git a/java_console/ui/src/main/java/com/rusefi/sensor_logs/PlainTextSensorLog.java b/java_console/ui/src/main/java/com/rusefi/sensor_logs/PlainTextSensorLog.java
index c719b3ce56..7c287bc1d2 100644
--- a/java_console/ui/src/main/java/com/rusefi/sensor_logs/PlainTextSensorLog.java
+++ b/java_console/ui/src/main/java/com/rusefi/sensor_logs/PlainTextSensorLog.java
@@ -15,7 +15,7 @@ import java.io.IOException;
 import java.io.Writer;
 
 public class PlainTextSensorLog extends SensorLog {
-    Writer logFile;
+    private Writer logFile;
 
     private long fileStartTime;