diff --git a/3.5.1 auto/amperemeter.py b/3.5.1 auto/amperemeter.py
new file mode 100644
index 0000000..3626fbf
--- /dev/null
+++ b/3.5.1 auto/amperemeter.py	
@@ -0,0 +1,30 @@
+import serial
+
+
+class B7_78():
+
+    def __init__(self, folder):
+        self.folder = folder
+        self.instr = serial.Serial(
+            self.folder, timeout=1, inter_byte_timeout=1)
+        self.instr.write(b'SYST:REM\n')
+        self.instr.write(b'SYST:REM\n')
+
+    def getCurrentDC(self):
+        self.instr.write(b'MEAS:CURR:DC?\n')
+        return self.instr.read(100).decode().rstrip()
+
+    def getVoltageDC(self):
+        self.instr.write(b'MEAS:VOLT:DC?\n')
+        return float(self.instr.read(100).decode().rstrip())
+
+    def getCurrentAC(self):
+        self.instr.write(b'MEAS:CURR:AC?\n')
+        return float(self.instr.read(100).decode().rstrip())
+
+    def getVoltageAC(self):
+        self.instr.write(b'MEAS:VOLT:AC?\n')
+        return float(self.instr.read(100).decode().rstrip())
+
+# for i in range(5):
+#     print(B7_78('/dev/ttyUSB0').getCurrentDC())
diff --git a/PycharmProjects/3.5.1 auto/fitting.py b/3.5.1 auto/fitting.py
similarity index 100%
rename from PycharmProjects/3.5.1 auto/fitting.py
rename to 3.5.1 auto/fitting.py
diff --git a/PycharmProjects/3.5.1 auto/main.py b/3.5.1 auto/main.py
similarity index 100%
rename from PycharmProjects/3.5.1 auto/main.py
rename to 3.5.1 auto/main.py
diff --git a/PycharmProjects/3.5.1 auto/plots.py b/3.5.1 auto/plots.py
similarity index 100%
rename from PycharmProjects/3.5.1 auto/plots.py
rename to 3.5.1 auto/plots.py
diff --git a/PycharmProjects/3.5.1 auto/tmpplots/tmpplot1.jpg b/3.5.1 auto/tmpplots/tmpplot1.jpg
similarity index 100%
rename from PycharmProjects/3.5.1 auto/tmpplots/tmpplot1.jpg
rename to 3.5.1 auto/tmpplots/tmpplot1.jpg
diff --git a/PycharmProjects/3.5.1 auto/tmpplots/tmpplot3.jpg b/3.5.1 auto/tmpplots/tmpplot3.jpg
similarity index 100%
rename from PycharmProjects/3.5.1 auto/tmpplots/tmpplot3.jpg
rename to 3.5.1 auto/tmpplots/tmpplot3.jpg
diff --git a/PycharmProjects/3.5.1 auto/tmpplots/tmpplot4.jpg b/3.5.1 auto/tmpplots/tmpplot4.jpg
similarity index 100%
rename from PycharmProjects/3.5.1 auto/tmpplots/tmpplot4.jpg
rename to 3.5.1 auto/tmpplots/tmpplot4.jpg
diff --git a/PycharmProjects/3.5.1 auto/visual.py b/3.5.1 auto/visual.py
similarity index 99%
rename from PycharmProjects/3.5.1 auto/visual.py
rename to 3.5.1 auto/visual.py
index ddf4f39..4471691 100644
--- a/PycharmProjects/3.5.1 auto/visual.py	
+++ b/3.5.1 auto/visual.py	
@@ -372,7 +372,7 @@ class Part2(QtWidgets.QWidget):
             k_0.append(params[1])
             A.append(params[2])
             for i in range(len(plots.vol[3]) - 1):
-                mes = {'U_' + str(i+2) + ', В': plots.vol[3][i+1], 'I_' + str(i+2) + ', мкА': plots.cur[3][i+1]}
+                mes = {'U_' + str(i+2) + ', В': plots.vol[3][i + 1], 'I_' + str(i + 2) + ', мкА': plots.cur[3][i + 1]}
                 data.update(mes)
                 params = fitting.fit(plots.vol[3][i + 1], plots.cur[3][i + 1])
                 I_0.append(params[0])
diff --git a/3.5.1 auto/voltmeter.py b/3.5.1 auto/voltmeter.py
new file mode 100644
index 0000000..cee063a
--- /dev/null
+++ b/3.5.1 auto/voltmeter.py	
@@ -0,0 +1,43 @@
+class AKIP():
+
+    def __init__(self, folder):
+        self.folder = folder
+
+    def getVoltageDC(self):
+        self.instr = open(self.folder, 'w')
+        self.instr.write('MEAS:VOLT:DC?\n')
+        self.instr.flush()
+        self.instr = open(self.folder, 'r')
+        data = self.instr.readline()
+        self.instr.close()
+        return float(data)
+
+    def getCurrentDC(self):
+        self.instr = open(self.folder, 'w')
+        self.instr.write('MEAS:AMP:DC?\n')
+        self.instr.flush()
+        self.instr = open(self.folder, 'r')
+        data = self.instr.readline()
+        self.instr.close()
+        return float(data)
+
+    def getVoltageAC(self):
+        self.instr = open(self.folder, 'w')
+        self.instr.write('MEAS:VOLT:AC?\n')
+        self.instr.flush()
+        self.instr = open(self.folder, 'r')
+        data = self.instr.readline()
+        self.instr.close()
+        return float(data)
+
+    def getCurrentAC(self):
+        self.instr = open(self.folder, 'w')
+        self.instr.write('MEAS:AMP:AC?\n')
+        self.instr.flush()
+        self.instr = open(self.folder, 'r')
+        data = self.instr.readline()
+        self.instr.close()
+        return float(data)
+
+# for i in range(5):
+#     print(AKIP('/dev/usbtmc0').getVoltageDC())