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/project/hardware/Device.hpp b/project/hardware/Device.hpp
index de86b21..0caf7eb 100644
--- a/project/hardware/Device.hpp
+++ b/project/hardware/Device.hpp
@@ -13,10 +13,10 @@ public:
 		return name;
 	}
 
-protected:
 	void command(std::string comm);
 	std::string query(std::string comm);
 
+protected:
 	std::string name;
 	std::string root_path;
 };
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.hpp b/project/hardware/Oscilloscope.hpp
index 0ee2404..9c669c6 100644
--- a/project/hardware/Oscilloscope.hpp
+++ b/project/hardware/Oscilloscope.hpp
@@ -1,8 +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) {}
+    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
index 9a11227..9812c67 100644
--- a/project/hardware/main.cpp
+++ b/project/hardware/main.cpp
@@ -23,20 +23,14 @@ int main() {
 			return EXIT_FAILURE;
 		}
 	}
-
+	
 	Generator generator(generator_path);
 	Oscilloscope oscilloscope(oscilloscope_path);
 	
 
 	// work with devices
 	
-	//generator.buzz();
-
-	std::string waveform;
-	std::cout << "Input waveform (SINE, SQUARE, RAMP, PULSE, NOISE, ARB, DC, PRBS, IQ):" << std::endl;
-	std::cin >> waveform;
-
-	generator.set_waveform(waveform);
+	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
new file mode 100644
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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