diff --git a/Control/firmware/uart_echo.atsln b/Control/firmware/uart_echo.atsln
new file mode 100755
index 0000000..233d947
--- /dev/null
+++ b/Control/firmware/uart_echo.atsln
@@ -0,0 +1,22 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Atmel Studio Solution File, Format Version 11.00
+VisualStudioVersion = 14.0.23107.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{54F91283-7BC4-4236-8FF9-10F437C3AD48}") = "uart_echo", "uart_echo\uart_echo.cproj", "{DCE6C7E3-EE26-4D79-826B-08594B9AD897}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|AVR = Debug|AVR
+		Release|AVR = Release|AVR
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{DCE6C7E3-EE26-4D79-826B-08594B9AD897}.Debug|AVR.ActiveCfg = Debug|AVR
+		{DCE6C7E3-EE26-4D79-826B-08594B9AD897}.Debug|AVR.Build.0 = Debug|AVR
+		{DCE6C7E3-EE26-4D79-826B-08594B9AD897}.Release|AVR.ActiveCfg = Release|AVR
+		{DCE6C7E3-EE26-4D79-826B-08594B9AD897}.Release|AVR.Build.0 = Release|AVR
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal
diff --git a/Control/firmware/uart_echo/main.c b/Control/firmware/uart_echo/main.c
new file mode 100755
index 0000000..9a570cc
--- /dev/null
+++ b/Control/firmware/uart_echo/main.c
@@ -0,0 +1,172 @@
+/*
+ * uart_echo.c
+ *
+ * Created: 16.08.2018 17:39:49
+ * Author : jens
+ */ 
+
+#include <stdio.h>
+#include <avr/io.h>
+#include <avr/interrupt.h>
+
+#define F_CPU			(18432000UL)	// MHz
+#define USART_BAUDRATE	115200UL
+#define BAUD_PRESCALE	(((F_CPU / (USART_BAUDRATE * 16UL))) - 1)
+#define TIMER_RELOAD	(0xFFFF-(F_CPU/1024/4-1))
+static uint8_t rx_data;
+static uint8_t count = 0;
+volatile uint8_t msgCode = 0;
+static uint8_t msgData = 0;
+static uint8_t ledState = 0;
+
+enum MessageCode
+{
+	NOP=0,
+	Command,
+	Timer,
+	Error = 0xFF
+};
+
+ISR(USART0_RX_vect)
+{
+	rx_data = UDR0;
+	
+	msgCode = NOP;
+	if (rx_data == ' ')
+	{
+		msgCode = Error;
+	} 
+	else if (rx_data >= '0' &&  rx_data <= '9')
+	{
+		msgCode = Command;
+		msgData = rx_data;
+	}
+	count++;
+}
+
+ISR (TIMER1_OVF_vect)    // Timer1 ISR
+{
+	msgCode = Timer;
+	TCNT1 = TIMER_RELOAD;
+	ledState++;
+	if (ledState == 4)
+	{
+		ledState = 0;
+	} 
+}
+
+void uart_init()
+{
+	// Set baud rate
+	UBRR0L  = (uint8_t)BAUD_PRESCALE;
+	UBRR0H = (uint8_t)(BAUD_PRESCALE >> 8);
+	
+	// Enable receiver and transmitter
+	UCSR0B = (1<<TXEN0)|(1<<RXEN0);
+	
+	// Enable RX interrupt
+	UCSR0B |= (1<<RXCIE0);
+	
+}
+
+void timer_init()
+{
+	
+	TCNT1 = TIMER_RELOAD;
+
+	TCCR1A = 0x00;
+	TCCR1B = (1<<CS10) | (1<<CS12);  // Timer mode with 1024 prescaler
+	TIMSK1 = (1 << TOIE1) ; // Enable timer1 overflow interrupt(TOIE1)
+	
+}
+
+void uart_putc(char c)
+{
+	while((UCSR0A & (1<<UDRE0)) == 0)
+	{
+	}
+	UDR0 = c;
+}
+
+int uart_putchar(char c, FILE *stream)
+{
+	uart_putc(c);
+	if (c == 0x0A)
+	{
+		uart_putc(0x0D);
+	}
+	return 0;
+}
+
+void uart_puts(char const *str)
+{
+	while(*str)
+	{
+		char c = *(str++);
+		uart_putc(c);
+		if (c == 0x0A)
+		{
+			uart_putc(0x0D);
+		}
+	}	
+}
+
+void port_init()
+{
+	PORTB = PORTB | 0x03;
+	DDRB = DDB1 | DDB2;
+	
+}
+FILE uart_file = FDEV_SETUP_STREAM(uart_putchar, NULL, _FDEV_SETUP_WRITE);
+
+int main(void)
+{
+    /* Replace with your application code */
+	uart_init();
+	timer_init();
+	
+	stdout = &uart_file;
+	printf("UART test version 1.0\n\n");
+	
+	sei();
+	while (1) 
+    {
+	
+		if (msgCode)
+		{
+			cli();
+			switch(msgCode)
+			{
+				case Command:
+				printf("Command : %c\n", msgData);
+				break;
+			
+				case Timer:
+				switch(ledState)
+				{
+					case 0:
+					DDRB = (DDRB & 0xFC) | 0x00;
+					printf("----------- Timer -----------\n");
+					break;
+					case 1:
+					DDRB = (DDRB & 0xFC) | 0x01;
+					break;
+					case 2:
+					DDRB = (DDRB & 0xFC) | 0x03;
+					break;
+					case 3:
+					DDRB = (DDRB & 0xFC) | 0x02;
+					break;
+				}
+				break;
+
+				case Error:
+				printf("Error!!!\n");
+				break;
+			}
+			msgCode = NOP;
+			sei();
+		}
+    }
+}
+
diff --git a/Control/firmware/uart_echo/uart_echo.componentinfo.xml b/Control/firmware/uart_echo/uart_echo.componentinfo.xml
new file mode 100755
index 0000000..40394e6
--- /dev/null
+++ b/Control/firmware/uart_echo/uart_echo.componentinfo.xml
@@ -0,0 +1,86 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Store xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="AtmelPackComponentManagement">
+	<ProjectComponents>
+		<ProjectComponent z:Id="i1" xmlns:z="http://schemas.microsoft.com/2003/10/Serialization/">
+			<CApiVersion></CApiVersion>
+			<CBundle></CBundle>
+			<CClass>Device</CClass>
+			<CGroup>Startup</CGroup>
+			<CSub></CSub>
+			<CVariant></CVariant>
+			<CVendor>Atmel</CVendor>
+			<CVersion>1.2.0</CVersion>
+			<DefaultRepoPath>D:/Program Files (x86)\Atmel\Studio\7.0\Packs</DefaultRepoPath>
+			<DependentComponents xmlns:d4p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays" />
+			<Description></Description>
+			<Files xmlns:d4p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays">
+				<d4p1:anyType i:type="FileInfo">
+					<AbsolutePath>D:/Program Files (x86)\Atmel\Studio\7.0\Packs\atmel\ATmega_DFP\1.2.150\include</AbsolutePath>
+					<Attribute></Attribute>
+					<Category>include</Category>
+					<Condition>C</Condition>
+					<FileContentHash i:nil="true" />
+					<FileVersion></FileVersion>
+					<Name>include</Name>
+					<SelectString></SelectString>
+					<SourcePath></SourcePath>
+				</d4p1:anyType>
+				<d4p1:anyType i:type="FileInfo">
+					<AbsolutePath>D:/Program Files (x86)\Atmel\Studio\7.0\Packs\atmel\ATmega_DFP\1.2.150\include\avr\iom644pa.h</AbsolutePath>
+					<Attribute></Attribute>
+					<Category>header</Category>
+					<Condition>C</Condition>
+					<FileContentHash>dmamizNMG7EXBqtW9kb8VA==</FileContentHash>
+					<FileVersion></FileVersion>
+					<Name>include/avr/iom644pa.h</Name>
+					<SelectString></SelectString>
+					<SourcePath></SourcePath>
+				</d4p1:anyType>
+				<d4p1:anyType i:type="FileInfo">
+					<AbsolutePath>D:/Program Files (x86)\Atmel\Studio\7.0\Packs\atmel\ATmega_DFP\1.2.150\templates\main.c</AbsolutePath>
+					<Attribute>template</Attribute>
+					<Category>source</Category>
+					<Condition>C Exe</Condition>
+					<FileContentHash>GD1k8YYhulqRs6FD1B2Hog==</FileContentHash>
+					<FileVersion></FileVersion>
+					<Name>templates/main.c</Name>
+					<SelectString>Main file (.c)</SelectString>
+					<SourcePath></SourcePath>
+				</d4p1:anyType>
+				<d4p1:anyType i:type="FileInfo">
+					<AbsolutePath>D:/Program Files (x86)\Atmel\Studio\7.0\Packs\atmel\ATmega_DFP\1.2.150\templates\main.cpp</AbsolutePath>
+					<Attribute>template</Attribute>
+					<Category>source</Category>
+					<Condition>C Exe</Condition>
+					<FileContentHash>YXFphlh0CtZJU+ebktABgQ==</FileContentHash>
+					<FileVersion></FileVersion>
+					<Name>templates/main.cpp</Name>
+					<SelectString>Main file (.cpp)</SelectString>
+					<SourcePath></SourcePath>
+				</d4p1:anyType>
+				<d4p1:anyType i:type="FileInfo">
+					<AbsolutePath>D:/Program Files (x86)\Atmel\Studio\7.0\Packs\atmel\ATmega_DFP\1.2.150\gcc\dev\atmega644pa</AbsolutePath>
+					<Attribute></Attribute>
+					<Category>libraryPrefix</Category>
+					<Condition>GCC</Condition>
+					<FileContentHash i:nil="true" />
+					<FileVersion></FileVersion>
+					<Name>gcc/dev/atmega644pa</Name>
+					<SelectString></SelectString>
+					<SourcePath></SourcePath>
+				</d4p1:anyType>
+			</Files>
+			<PackName>ATmega_DFP</PackName>
+			<PackPath>D:/Program Files (x86)/Atmel/Studio/7.0/Packs/atmel/ATmega_DFP/1.2.150/Atmel.ATmega_DFP.pdsc</PackPath>
+			<PackVersion>1.2.150</PackVersion>
+			<PresentInProject>true</PresentInProject>
+			<ReferenceConditionId>ATmega644PA</ReferenceConditionId>
+			<RteComponents xmlns:d4p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays">
+				<d4p1:string></d4p1:string>
+			</RteComponents>
+			<Status>Resolved</Status>
+			<VersionMode>Fixed</VersionMode>
+			<IsComponentInAtProject>true</IsComponentInAtProject>
+		</ProjectComponent>
+	</ProjectComponents>
+</Store>
\ No newline at end of file
diff --git a/Control/firmware/uart_echo/uart_echo.cproj b/Control/firmware/uart_echo/uart_echo.cproj
new file mode 100755
index 0000000..96c7c90
--- /dev/null
+++ b/Control/firmware/uart_echo/uart_echo.cproj
@@ -0,0 +1,157 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="14.0">
+  <PropertyGroup>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectVersion>7.0</ProjectVersion>
+    <ToolchainName>com.Atmel.AVRGCC8.C</ToolchainName>
+    <ProjectGuid>dce6c7e3-ee26-4d79-826b-08594b9ad897</ProjectGuid>
+    <avrdevice>ATmega644PA</avrdevice>
+    <avrdeviceseries>none</avrdeviceseries>
+    <OutputType>Executable</OutputType>
+    <Language>C</Language>
+    <OutputFileName>$(MSBuildProjectName)</OutputFileName>
+    <OutputFileExtension>.elf</OutputFileExtension>
+    <OutputDirectory>$(MSBuildProjectDirectory)\$(Configuration)</OutputDirectory>
+    <AssemblyName>uart_echo</AssemblyName>
+    <Name>uart_echo</Name>
+    <RootNamespace>uart_echo</RootNamespace>
+    <ToolchainFlavour>Native</ToolchainFlavour>
+    <KeepTimersRunning>true</KeepTimersRunning>
+    <OverrideVtor>false</OverrideVtor>
+    <CacheFlash>true</CacheFlash>
+    <ProgFlashFromRam>true</ProgFlashFromRam>
+    <RamSnippetAddress>0x20000000</RamSnippetAddress>
+    <UncachedRange />
+    <preserveEEPROM>true</preserveEEPROM>
+    <OverrideVtorValue>exception_table</OverrideVtorValue>
+    <BootSegment>2</BootSegment>
+    <ResetRule>0</ResetRule>
+    <eraseonlaunchrule>0</eraseonlaunchrule>
+    <EraseKey />
+    <AsfFrameworkConfig>
+      <framework-data xmlns="">
+        <options />
+        <configurations />
+        <files />
+        <documentation help="" />
+        <offline-documentation help="" />
+        <dependencies>
+          <content-extension eid="atmel.asf" uuidref="Atmel.ASF" version="3.35.1" />
+        </dependencies>
+      </framework-data>
+    </AsfFrameworkConfig>
+    <avrtool>com.atmel.avrdbg.tool.atmelice</avrtool>
+    <avrtoolserialnumber>J41800089261</avrtoolserialnumber>
+    <avrdeviceexpectedsignature>0x1E960A</avrdeviceexpectedsignature>
+    <com_atmel_avrdbg_tool_simulator>
+      <ToolOptions>
+        <InterfaceProperties>
+        </InterfaceProperties>
+        <InterfaceName>
+        </InterfaceName>
+      </ToolOptions>
+      <ToolType>com.atmel.avrdbg.tool.simulator</ToolType>
+      <ToolNumber>
+      </ToolNumber>
+      <ToolName>Simulator</ToolName>
+    </com_atmel_avrdbg_tool_simulator>
+    <avrtoolinterface>JTAG</avrtoolinterface>
+    <com_atmel_avrdbg_tool_atmelice>
+      <ToolOptions>
+        <InterfaceProperties>
+          <IspClock>125000</IspClock>
+          <JtagDbgClock>6000000</JtagDbgClock>
+        </InterfaceProperties>
+        <InterfaceName>JTAG</InterfaceName>
+      </ToolOptions>
+      <ToolType>com.atmel.avrdbg.tool.atmelice</ToolType>
+      <ToolNumber>J41800089261</ToolNumber>
+      <ToolName>Atmel-ICE</ToolName>
+    </com_atmel_avrdbg_tool_atmelice>
+    <avrtoolinterfaceclock>6000000</avrtoolinterfaceclock>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+    <ToolchainSettings>
+      <AvrGcc>
+        <avrgcc.common.Device>-mmcu=atmega644pa -B "%24(PackRepoDir)\atmel\ATmega_DFP\1.2.150\gcc\dev\atmega644pa"</avrgcc.common.Device>
+        <avrgcc.common.outputfiles.hex>True</avrgcc.common.outputfiles.hex>
+        <avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
+        <avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
+        <avrgcc.common.outputfiles.srec>True</avrgcc.common.outputfiles.srec>
+        <avrgcc.common.outputfiles.usersignatures>False</avrgcc.common.outputfiles.usersignatures>
+        <avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>True</avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>
+        <avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>True</avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>
+        <avrgcc.compiler.symbols.DefSymbols>
+          <ListValues>
+            <Value>NDEBUG</Value>
+          </ListValues>
+        </avrgcc.compiler.symbols.DefSymbols>
+        <avrgcc.compiler.directories.IncludePaths>
+          <ListValues>
+            <Value>%24(PackRepoDir)\atmel\ATmega_DFP\1.2.150\include</Value>
+          </ListValues>
+        </avrgcc.compiler.directories.IncludePaths>
+        <avrgcc.compiler.optimization.level>Optimize for size (-Os)</avrgcc.compiler.optimization.level>
+        <avrgcc.compiler.optimization.PackStructureMembers>True</avrgcc.compiler.optimization.PackStructureMembers>
+        <avrgcc.compiler.optimization.AllocateBytesNeededForEnum>True</avrgcc.compiler.optimization.AllocateBytesNeededForEnum>
+        <avrgcc.compiler.warnings.AllWarnings>True</avrgcc.compiler.warnings.AllWarnings>
+        <avrgcc.linker.libraries.Libraries>
+          <ListValues>
+            <Value>libm</Value>
+          </ListValues>
+        </avrgcc.linker.libraries.Libraries>
+        <avrgcc.assembler.general.IncludePaths>
+          <ListValues>
+            <Value>%24(PackRepoDir)\atmel\ATmega_DFP\1.2.150\include</Value>
+          </ListValues>
+        </avrgcc.assembler.general.IncludePaths>
+      </AvrGcc>
+    </ToolchainSettings>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
+    <ToolchainSettings>
+      <AvrGcc>
+        <avrgcc.common.Device>-mmcu=atmega644pa -B "%24(PackRepoDir)\atmel\ATmega_DFP\1.2.150\gcc\dev\atmega644pa"</avrgcc.common.Device>
+        <avrgcc.common.outputfiles.hex>True</avrgcc.common.outputfiles.hex>
+        <avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
+        <avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
+        <avrgcc.common.outputfiles.srec>True</avrgcc.common.outputfiles.srec>
+        <avrgcc.common.outputfiles.usersignatures>False</avrgcc.common.outputfiles.usersignatures>
+        <avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>True</avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>
+        <avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>True</avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>
+        <avrgcc.compiler.symbols.DefSymbols>
+          <ListValues>
+            <Value>DEBUG</Value>
+          </ListValues>
+        </avrgcc.compiler.symbols.DefSymbols>
+        <avrgcc.compiler.directories.IncludePaths>
+          <ListValues>
+            <Value>%24(PackRepoDir)\atmel\ATmega_DFP\1.2.150\include</Value>
+          </ListValues>
+        </avrgcc.compiler.directories.IncludePaths>
+        <avrgcc.compiler.optimization.level>Optimize debugging experience (-Og)</avrgcc.compiler.optimization.level>
+        <avrgcc.compiler.optimization.PackStructureMembers>True</avrgcc.compiler.optimization.PackStructureMembers>
+        <avrgcc.compiler.optimization.AllocateBytesNeededForEnum>True</avrgcc.compiler.optimization.AllocateBytesNeededForEnum>
+        <avrgcc.compiler.optimization.DebugLevel>Default (-g2)</avrgcc.compiler.optimization.DebugLevel>
+        <avrgcc.compiler.warnings.AllWarnings>True</avrgcc.compiler.warnings.AllWarnings>
+        <avrgcc.linker.libraries.Libraries>
+          <ListValues>
+            <Value>libm</Value>
+          </ListValues>
+        </avrgcc.linker.libraries.Libraries>
+        <avrgcc.assembler.general.IncludePaths>
+          <ListValues>
+            <Value>%24(PackRepoDir)\atmel\ATmega_DFP\1.2.150\include</Value>
+          </ListValues>
+        </avrgcc.assembler.general.IncludePaths>
+        <avrgcc.assembler.debugging.DebugLevel>Default (-Wa,-g)</avrgcc.assembler.debugging.DebugLevel>
+      </AvrGcc>
+    </ToolchainSettings>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="main.c">
+      <SubType>compile</SubType>
+    </Compile>
+  </ItemGroup>
+  <Import Project="$(AVRSTUDIO_EXE_PATH)\\Vs\\Compiler.targets" />
+</Project>
\ No newline at end of file