diff --git a/.gitignore b/.gitignore
index 7cf35aa..ab6078a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 .piolibdeps
 .vscode/c_cpp_properties.json
 lib
+lib/readme.txt
diff --git a/src/CpuLoad.h b/src/CpuLoad.h
new file mode 100644
index 0000000..f259c47
--- /dev/null
+++ b/src/CpuLoad.h
@@ -0,0 +1,36 @@
+#include <arduino.h>
+
+// updateCpuTime отвечает за обновление статистики загрузки Cpu
+// updateCpuTime(false) - размещается в начале loop()
+// updateCpuTime(true) - размещается в конце loop()
+// printCpuTime выводит среднее время работы 10 циклов loop в мкс
+// printCpuLoad выводит прикидочную нагрузку loop цикла
+
+static long int cpuTime1 = 0;
+static long int cpuTime2 = 0;
+static int cpuLoadAvgTime = 0;
+static long int cpuTimeLastUpdate = 0;
+
+static void updateCpuTime(bool state) {
+    switch(state) {
+        case 0: cpuTime1 = micros();
+            return;
+        case 1: cpuTime2 = micros();
+        cpuLoadAvgTime = cpuLoadAvgTime*0.9 + (cpuTime2 - cpuTime1);
+            return;
+    }
+}
+
+static void printCpuTime () {
+    if (millis() - cpuTimeLastUpdate > 2000) {
+        Serial.printf("Time for update: %ld \n", cpuLoadAvgTime);
+        cpuTimeLastUpdate = millis();
+    }
+}
+
+static void printCpuLoad () {
+    if (millis() - cpuTimeLastUpdate > 2000) {
+        Serial.printf("CPU Load: %ld \n", cpuLoadAvgTime/10000);
+        cpuTimeLastUpdate = millis();
+    }
+}
diff --git a/src/main.cpp b/src/main.cpp
index edeab6e..b0df99c 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -8,6 +8,7 @@
 #include <Sensor.h>
 #include <WebSocketsServer.h>
 #include <ArduinoJson.h>
+#include "CpuLoad.h"
 
 const char *ssid = "NodeMCU";
 
@@ -15,7 +16,7 @@ ESP8266WebServer server(80);
 Sensor accelerometer = Sensor();
 Graph graphAcc = Graph(200, 50);
 
-int lastDataSend = 0;
+long int lastDataSend = 0;
 
 WebSocketsServer webSocket = WebSocketsServer(81);
 
@@ -54,14 +55,25 @@ void cookAccelerometer(String &in, int *in_array, int array_size) {
     root.printTo(*output);
 }
 
+int lowFreqFilter(int inputValue, int lastFilteredValue, int alpha) {
+    return (lastFilteredValue +  alpha * (inputValue - lastFilteredValue)+100);
+}
+
 void updateAccelerometer()
 {
     if ((millis() - accelerometer.lastUpdate) > (1000 / graphAcc.graphUpdateRate))
-    {
-        accelerometer.lastValue = map(analogRead(A0), 512, 768, 200, 0);
+    {   
+        int filteredAcc = 0;
+        accelerometer.lastValue = map(analogRead(A0), 368, 768, 200, 0);
+
+        if (graphAcc.graphCounter != 0) {
+            //filteredAcc = lowFreqFilter(accelerometer.lastValue, graphAcc.graphArray[graphAcc.graphCounter - 1], 0.5);
+            filteredAcc = graphAcc.graphArray[graphAcc.graphCounter - 1] + 0.5 * (accelerometer.lastValue - graphAcc.graphArray[graphAcc.graphCounter - 1]);
+        }
+
         if (graphAcc.graphCounter < graphAcc.graphSize - 1)
-        {
-            graphAcc.graphArray[graphAcc.graphCounter] = accelerometer.lastValue;
+        {   
+            graphAcc.graphArray[graphAcc.graphCounter] = filteredAcc;
             graphAcc.graphCounter++;
         }
         else
@@ -70,7 +82,7 @@ void updateAccelerometer()
             {
                 graphAcc.graphArray[i] = graphAcc.graphArray[i + 1];
             }
-            graphAcc.graphArray[graphAcc.graphCounter] = accelerometer.lastValue;
+            graphAcc.graphArray[graphAcc.graphCounter] = filteredAcc;
         }
 
 
@@ -78,6 +90,7 @@ void updateAccelerometer()
     }
 }
 
+
 void handleNotFound()
 {
     String message = "File Not Found\n\n";
@@ -96,7 +109,7 @@ void handleNotFound()
 }
 
 void sendAccelerometerData() {
-    if (millis() - lastDataSend > 100) {
+    if (millis() - lastDataSend > 50) {
         String word;
         cookAccelerometer(word, graphAcc.graphArray, graphAcc.graphSize);
         webSocket.broadcastTXT(word);
@@ -153,9 +166,14 @@ void setup(void)
 }
 
 void loop(void)
-{
+{   
+    updateCpuTime(0);
+
     server.handleClient();
     webSocket.loop();
     updateAccelerometer();
     sendAccelerometerData();
+    
+    updateCpuTime(1);
+    printCpuLoad();
 }
\ No newline at end of file