diff --git a/3.3.4-semiconductor-hall-effect/processing.ipynb b/3.3.4-semiconductor-hall-effect/processing.ipynb
index 1143054..3416ebf 100644
--- a/3.3.4-semiconductor-hall-effect/processing.ipynb
+++ b/3.3.4-semiconductor-hall-effect/processing.ipynb
@@ -370,7 +370,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.2"
+   "version": "3.10.6"
   }
  },
  "nbformat": 4,
diff --git a/3.5.1-ne-plasma/latex.zip b/3.5.1-ne-plasma/latex.zip
new file mode 100644
index 0000000..8c0533a
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diff --git a/3.5.1-ne-plasma/report.pdf b/3.5.1-ne-plasma/report.pdf
index 0a00e2c..ca936cd 100644
Binary files a/3.5.1-ne-plasma/report.pdf and b/3.5.1-ne-plasma/report.pdf differ
diff --git a/3.6.1-spectrum/latex.zip b/3.6.1-spectrum/latex.zip
new file mode 100644
index 0000000..c8e750c
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diff --git a/3.6.1-spectrum/report.pdf b/3.6.1-spectrum/report.pdf
index 9a278df..0233911 100644
Binary files a/3.6.1-spectrum/report.pdf and b/3.6.1-spectrum/report.pdf differ
diff --git a/project/.gitignore b/project/.gitignore
new file mode 100644
index 0000000..fcea9db
--- /dev/null
+++ b/project/.gitignore
@@ -0,0 +1,6 @@
+*test*
+*tmp*
+.vscode
+*.exe
+*.o
+main
\ No newline at end of file
diff --git a/project/hardware/Device.cpp b/project/hardware/Device.cpp
new file mode 100644
index 0000000..d52d933
--- /dev/null
+++ b/project/hardware/Device.cpp
@@ -0,0 +1,44 @@
+#include "Device.hpp"
+
+
+Device::Device(std::string path_name) : root_path("/dev/" + path_name)
+{
+    std::string response = query("*IDN?");
+    response.erase(0, response.find(',') + 1);
+    response.erase(response.find(','));
+
+    name = response;
+}
+
+void Device::command(std::string comm)
+{
+    std::ofstream out;
+    out.open(root_path);
+
+    if (!out.is_open())
+        std::cerr << "**ERROR** file is not open to output." << std::endl;
+    else
+    {
+        out << comm;
+        out.close();
+    }
+}
+
+std::string Device::query(std::string comm)
+{
+    command(comm);
+
+    std::string buffer;
+    std::ifstream in;
+    in.open(root_path);
+
+    if (!in.is_open())
+        std::cerr << "**ERROR** file is not open to input." << std::endl;
+    else
+    {
+        std::getline(in, buffer);
+        in.close();
+    }
+
+    return buffer;
+}
diff --git a/project/hardware/Device.hpp b/project/hardware/Device.hpp
new file mode 100644
index 0000000..0caf7eb
--- /dev/null
+++ b/project/hardware/Device.hpp
@@ -0,0 +1,25 @@
+#pragma once
+#include<fstream>
+#include<iostream>
+#include<string>
+
+class Device 
+{
+public:
+	Device(std::string path_name);
+
+	std::string get_name()
+	{
+		return name;
+	}
+
+	void command(std::string comm);
+	std::string query(std::string comm);
+
+protected:
+	std::string name;
+	std::string root_path;
+};
+
+
+
diff --git a/project/hardware/Generator.cpp b/project/hardware/Generator.cpp
new file mode 100644
index 0000000..18b6cf8
--- /dev/null
+++ b/project/hardware/Generator.cpp
@@ -0,0 +1,2 @@
+#include "Generator.hpp"
+
diff --git a/project/hardware/Generator.hpp b/project/hardware/Generator.hpp
new file mode 100644
index 0000000..471d6b0
--- /dev/null
+++ b/project/hardware/Generator.hpp
@@ -0,0 +1,54 @@
+#pragma once
+#include "Device.hpp"
+
+class Generator : public Device
+{
+public:
+    Generator(std::string path_name) : Device(path_name), m_channel("C1") {}
+
+    void set_channel(size_t channel)
+    {
+        if (channel == 1 || channel == 2)
+            m_channel = "C" + std::to_string(channel);
+        else
+            std::cerr << "Invalid channel" << std::endl;
+    }
+
+    void buzz()
+    {
+        command("BUZZ ON");
+    }
+
+    void set_waveform(std::string waveform)
+    {
+        command(m_channel + ":BSWV WVTP," + waveform);
+    }
+
+    void set_frequency(double frequency)
+    {
+        command(m_channel + ":BSWV FRQ," + std::to_string(frequency));
+    }
+
+    void set_period(double period)
+    {
+        command(m_channel + ":BSWV PERI," + std::to_string(period));
+    }
+
+    void set_amplitude(double amplitude)
+    {
+        command(m_channel + ":BSWV AMP," + std::to_string(amplitude));
+    }
+
+    void set_offset(double offset)
+    {
+        command(m_channel + ":BSWV OFST," + std::to_string(offset));
+    }
+
+    void set_phase(double phase)
+    {
+        command(m_channel + ":BSWV PHSE," + std::to_string(phase));
+    }
+
+private:
+    std::string m_channel;
+};
\ No newline at end of file
diff --git a/project/hardware/Makefile b/project/hardware/Makefile
new file mode 100644
index 0000000..50db55b
--- /dev/null
+++ b/project/hardware/Makefile
@@ -0,0 +1,26 @@
+CC=g++
+CFLAGS=-c
+EXECUTABLE=start
+
+all: $(EXECUTABLE)
+
+$(EXECUTABLE): main.o Device.o Generator.o Oscilloscope.o
+	$(CC) main.o Device.o Generator.o Oscilloscope.o -o main
+
+main.o:	main.cpp 
+	$(CC) $(CFLAGS) main.cpp
+
+Device.o: Device.cpp
+	$(CC) $(CFLAGS) Device.cpp
+
+Generator.o: Generator.cpp
+	$(CC) $(CFLAGS) Generator.cpp
+
+Oscilloscope.o: Oscilloscope.cpp
+	$(CC) $(CFLAGS) Oscilloscope.cpp
+
+clean:
+	rm -f main
+	rm -f *.o
+
+.PNONY: all clean
diff --git a/project/hardware/Measurement.hpp b/project/hardware/Measurement.hpp
new file mode 100644
index 0000000..5189d8c
--- /dev/null
+++ b/project/hardware/Measurement.hpp
@@ -0,0 +1,28 @@
+#pragma once
+#include <iostream>
+#include <string>
+#include "Oscilloscope.hpp"
+
+class Measurement
+{
+public:
+
+    Measurement() = default;
+
+    Measurement(std::string name_) : name(name_) { }
+
+    Measurement(std::string stat_response, bool)
+    {
+        size_t name_start = stat_response.find(" C") + 5;
+        size_t name_end = stat_response.find(":");
+        name = stat_response.substr(name_start, name_end - name_start);
+    }
+
+// private:
+    std::string name;
+    double mean;
+    double min;
+    double max;
+    double std_dev;
+    double count;
+};
\ No newline at end of file
diff --git a/project/hardware/Oscilloscope.cpp b/project/hardware/Oscilloscope.cpp
new file mode 100644
index 0000000..9ee135e
--- /dev/null
+++ b/project/hardware/Oscilloscope.cpp
@@ -0,0 +1 @@
+#include "Oscilloscope.hpp"
\ No newline at end of file
diff --git a/project/hardware/Oscilloscope.hpp b/project/hardware/Oscilloscope.hpp
new file mode 100644
index 0000000..9c669c6
--- /dev/null
+++ b/project/hardware/Oscilloscope.hpp
@@ -0,0 +1,61 @@
+#pragma once
+#include "Device.hpp"
+#include "Measurement.hpp"
+#include <string>
+#include <unistd.h>
+
+class Oscilloscope : public Device
+{
+public:
+    Oscilloscope(std::string path_name) : Device(path_name), m_channel("C1") {}
+
+    void set_channel(size_t channel)
+    {
+        if (channel == 1 || channel == 2)
+            m_channel = "C" + std::to_string(channel);
+        else
+            std::cerr << "Invalid channel" << std::endl;
+    }
+
+    Measurement get_pkpk()
+    {
+        comm_param_custom("PKPK");
+        comm_param_stat(1);
+
+        // size_t count = 0;
+        // while (count <= 20)
+        // {
+        //     std::string response = quer_param_value("STAT1");
+        //     size_t count_ind = response.find("count,") + 5;
+        //     std::string count_str = response.substr(count_ind);
+        //     std::cerr << count_str;
+        //     comm_param_stat(0);
+
+        //     count = std::stoi(count_str);
+        // }
+        std::string response = quer_param_value("STAT1");
+        comm_param_stat(0);
+
+        std::cout << response << std::endl;
+        return Measurement(response, 1);
+    }
+
+
+private:
+    void comm_param_custom(std::string param)
+    {
+        command("PACU " + param + "," + m_channel);
+    }
+
+    void comm_param_stat(bool condition)
+    {
+        command("PASTAT " + condition ? "ON" : "OFF");
+    }
+
+    std::string quer_param_value(std::string custom)
+    {
+        return query("PAVA? " + custom);
+    }
+
+    std::string m_channel;
+};
\ No newline at end of file
diff --git a/project/hardware/main.cpp b/project/hardware/main.cpp
new file mode 100644
index 0000000..9812c67
--- /dev/null
+++ b/project/hardware/main.cpp
@@ -0,0 +1,36 @@
+#include "Generator.hpp"
+#include "Oscilloscope.hpp"
+#include <vector>
+#include <unistd.h>
+
+int main() {
+
+	// initialize generator and oscilloscope
+	
+	std::string generator_path;
+	std::string oscilloscope_path;
+	
+	for (size_t i = 0; i < 2; i++) {
+		auto path = "usbtmc" + std::to_string(i);
+		Device device(path);
+
+		if (device.get_name() == "AKIP-3409-4")
+			generator_path = path;
+		else if (device.get_name() == "AKIP-4131/1")
+			oscilloscope_path = path;
+		else {
+			std::cerr << "Devices not available!" << std::endl;
+			return EXIT_FAILURE;
+		}
+	}
+	
+	Generator generator(generator_path);
+	Oscilloscope oscilloscope(oscilloscope_path);
+	
+
+	// work with devices
+	
+	std::cout << oscilloscope.query("C1:WF? DAT2").substr(1, 3) << std::endl;
+	
+	return EXIT_SUCCESS;
+}
diff --git a/project/hardware/osc.md b/project/hardware/osc.md
new file mode 100644
index 0000000..5009c4b
--- /dev/null
+++ b/project/hardware/osc.md
@@ -0,0 +1,13 @@
+## Channel commands
+
+TRA -- trace
+VDIV -- vertical sensitivity
+
+## MEASURE commands
+
+PACU -- parameter custom
+PAVA? -- parameter value
+
+## WAVEFORM commands
+
+#todo
\ No newline at end of file
diff --git a/project/materials/SDG_Programming-Guide_PG02-E04A.pdf b/project/materials/SDG_Programming-Guide_PG02-E04A.pdf
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index 0000000..76b246a
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diff --git a/project/materials/SDS1000-SeriesSDS2000XSDS2000X-E_ProgrammingGuide_PG01-E02D.pdf b/project/materials/SDS1000-SeriesSDS2000XSDS2000X-E_ProgrammingGuide_PG01-E02D.pdf
new file mode 100644
index 0000000..86518a4
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diff --git a/project/hard_standarts.md b/project/materials/hard_standart.md
similarity index 100%
rename from project/hard_standarts.md
rename to project/materials/hard_standart.md