diff --git a/display/software/.idea/workspace.xml b/display/software/.idea/workspace.xml
index d107b73..9ea14a9 100644
--- a/display/software/.idea/workspace.xml
+++ b/display/software/.idea/workspace.xml
@@ -2,13 +2,10 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="9fad4545-a424-4a82-86dc-76602cf3eef3" name="Default" comment="">
-      <change type="DELETED" beforePath="$PROJECT_DIR$/powerboard/src/asciiart.h" afterPath="" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/powerboard/Makefile" afterPath="$PROJECT_DIR$/powerboard/Makefile" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/powerboard/src/main.c" afterPath="$PROJECT_DIR$/powerboard/src/main.c" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/powerboard/src/main.h" afterPath="$PROJECT_DIR$/powerboard/src/main.h" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/misc.xml" afterPath="$PROJECT_DIR$/.idea/misc.xml" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/powerboard/powerboard.iml" afterPath="$PROJECT_DIR$/powerboard/powerboard.iml" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/powerboard/src/uart.c" afterPath="$PROJECT_DIR$/powerboard/src/uart.c" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/powerboard/src/uart.h" afterPath="$PROJECT_DIR$/powerboard/src/uart.h" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/powerboard/src/utils.c" afterPath="$PROJECT_DIR$/powerboard/src/utils.c" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/powerboard/src/utils.h" afterPath="$PROJECT_DIR$/powerboard/src/utils.h" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
@@ -16,8 +13,8 @@
     <ignored path="bikegenerator.iws" />
     <ignored path=".idea/workspace.xml" />
     <file path="/Makefile" changelist="9fad4545-a424-4a82-86dc-76602cf3eef3" time="1371032328243" ignored="false" />
-    <file path="/Dummy.txt" changelist="9fad4545-a424-4a82-86dc-76602cf3eef3" time="1371043806331" ignored="false" />
-    <file path="/main.c" changelist="9fad4545-a424-4a82-86dc-76602cf3eef3" time="1371032185953" ignored="false" />
+    <file path="/Dummy.txt" changelist="9fad4545-a424-4a82-86dc-76602cf3eef3" time="1371043904548" ignored="false" />
+    <file path="/main.c" changelist="9fad4545-a424-4a82-86dc-76602cf3eef3" time="1371074113650" ignored="false" />
     <option name="TRACKING_ENABLED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -78,46 +75,10 @@
   </component>
   <component name="FileEditorManager">
     <leaf>
-      <file leaf-file-name="Makefile" pinned="false" current="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/powerboard/Makefile">
-          <provider selected="true" editor-type-id="text-editor">
-            <state line="63" column="34" selection-start="1644" selection-end="1644" vertical-scroll-proportion="-17.678572">
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
       <file leaf-file-name="main.c" pinned="false" current="true" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/powerboard/src/main.c">
           <provider selected="true" editor-type-id="text-editor">
-            <state line="169" column="0" selection-start="4305" selection-end="4305" vertical-scroll-proportion="0.66820276">
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="main.h" pinned="false" current="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/powerboard/src/main.h">
-          <provider selected="true" editor-type-id="text-editor">
-            <state line="24" column="34" selection-start="646" selection-end="646" vertical-scroll-proportion="0.0">
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="utils.c" pinned="false" current="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/powerboard/src/utils.c">
-          <provider selected="true" editor-type-id="text-editor">
-            <state line="30" column="0" selection-start="649" selection-end="649" vertical-scroll-proportion="0.0">
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="utils.h" pinned="false" current="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/powerboard/src/utils.h">
-          <provider selected="true" editor-type-id="text-editor">
-            <state line="6" column="33" selection-start="185" selection-end="185" vertical-scroll-proportion="0.0">
+            <state line="179" column="32" selection-start="4434" selection-end="4434" vertical-scroll-proportion="0.67713004">
               <folding />
             </state>
           </provider>
@@ -142,22 +103,23 @@
     <option name="changedFiles">
       <list>
         <option value="$PROJECT_DIR$/powerboard/src/uart.c" />
-        <option value="$PROJECT_DIR$/powerboard/src/uart.h" />
         <option value="$PROJECT_DIR$/powerboard/src/asciiart.h" />
         <option value="$PROJECT_DIR$/powerboard/src/adc.h" />
         <option value="$PROJECT_DIR$/powerboard/src/adc.c" />
+        <option value="$PROJECT_DIR$/powerboard/src/uart.h" />
+        <option value="$PROJECT_DIR$/powerboard/src/main.h" />
         <option value="$PROJECT_DIR$/powerboard/src/utils.c" />
         <option value="$PROJECT_DIR$/powerboard/src/utils.h" />
-        <option value="$PROJECT_DIR$/powerboard/src/main.h" />
         <option value="$PROJECT_DIR$/powerboard/Makefile" />
         <option value="$PROJECT_DIR$/powerboard/src/main.c" />
       </list>
     </option>
   </component>
   <component name="ProjectFrameBounds">
-    <option name="x" value="1596" />
-    <option name="width" value="1928" />
-    <option name="height" value="1058" />
+    <option name="x" value="-4" />
+    <option name="y" value="25" />
+    <option name="width" value="1608" />
+    <option name="height" value="853" />
   </component>
   <component name="ProjectLevelVcsManager" settingsEditedManually="true">
     <OptionsSetting value="true" id="Add" />
@@ -391,14 +353,18 @@
       <created>1371043815539</created>
       <updated>1371043815539</updated>
     </task>
-    <option name="localTasksCounter" value="4" />
+    <task id="LOCAL-00004" summary="working, refactured a bit, optimised for size">
+      <created>1371043908804</created>
+      <updated>1371043908804</updated>
+    </task>
+    <option name="localTasksCounter" value="5" />
     <servers />
   </component>
   <component name="ToolWindowManager">
-    <frame x="1596" y="0" width="1928" height="1058" extended-state="6" />
+    <frame x="-4" y="25" width="1608" height="853" extended-state="6" />
     <editor active="false" />
     <layout>
-      <window_info id="Changes" active="true" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.25412542" sideWeight="0.5" order="11" side_tool="false" content_ui="tabs" />
+      <window_info id="Changes" active="true" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.328125" sideWeight="0.5" order="11" side_tool="false" content_ui="tabs" />
       <window_info id="Palette" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Ant Build" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
       <window_info id="Database" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
@@ -413,7 +379,7 @@
       <window_info id="Maven Projects" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
       <window_info id="Commander" active="false" anchor="right" auto_hide="false" internal_type="SLIDING" type="SLIDING" visible="false" weight="0.4" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
       <window_info id="Application Servers" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="10" side_tool="false" content_ui="tabs" />
-      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.2497332" sideWeight="0.7458746" order="0" side_tool="false" content_ui="combo" />
+      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.3011583" sideWeight="0.671875" order="0" side_tool="false" content_ui="combo" />
       <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Cvs" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.25" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
       <window_info id="Message" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
@@ -464,7 +430,7 @@
     <option name="WRAP_WHEN_TYPING_REACHES_RIGHT_MARGIN" value="false" />
     <option name="FORCE_NON_EMPTY_COMMENT" value="false" />
     <option name="CLEAR_INITIAL_COMMIT_MESSAGE" value="false" />
-    <option name="LAST_COMMIT_MESSAGE" value="optimisations in adc code" />
+    <option name="LAST_COMMIT_MESSAGE" value="working, refactured a bit, optimised for size" />
     <option name="MAKE_NEW_CHANGELIST_ACTIVE" value="false" />
     <option name="OPTIMIZE_IMPORTS_BEFORE_PROJECT_COMMIT" value="false" />
     <option name="CHECK_FILES_UP_TO_DATE_BEFORE_COMMIT" value="false" />
@@ -481,6 +447,7 @@
     <MESSAGE value="- added 3rd party uart lib&#10;- added measurements for voltage and current" />
     <MESSAGE value="added first draft of overvoltage protection by using dump load" />
     <MESSAGE value="optimisations in adc code" />
+    <MESSAGE value="working, refactured a bit, optimised for size" />
   </component>
   <component name="XDebuggerManager">
     <breakpoint-manager />
@@ -518,22 +485,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/powerboard/src/uart.c">
-      <provider selected="true" editor-type-id="text-editor">
-        <state line="81" column="32" selection-start="2066" selection-end="3000" vertical-scroll-proportion="0.0">
-          <folding>
-            <element signature="n#!!doc" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/powerboard/src/uart.h">
-      <provider selected="true" editor-type-id="text-editor">
-        <state line="9" column="35" selection-start="301" selection-end="480" vertical-scroll-proportion="0.20737328">
-          <folding />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/powerboard/src/adc.c">
       <provider selected="true" editor-type-id="text-editor">
         <state line="8" column="39" selection-start="169" selection-end="169" vertical-scroll-proportion="0.1843318">
@@ -548,37 +499,53 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/powerboard/src/utils.h">
+    <entry file="file://$PROJECT_DIR$/powerboard/src/uart.c">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="6" column="33" selection-start="185" selection-end="185" vertical-scroll-proportion="0.0">
+        <state line="80" column="76" selection-start="2948" selection-end="2948" vertical-scroll-proportion="-1.9201807">
+          <folding>
+            <element signature="n#!!doc" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/powerboard/src/main.h">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="31" column="36" selection-start="864" selection-end="864" vertical-scroll-proportion="0.0">
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/powerboard/Makefile">
+    <entry file="file://$PROJECT_DIR$/powerboard/src/utils.h">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="63" column="34" selection-start="1644" selection-end="1644" vertical-scroll-proportion="-17.678572">
+        <state line="5" column="32" selection-start="142" selection-end="142" vertical-scroll-proportion="0.0">
           <folding />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/powerboard/src/utils.c">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="30" column="0" selection-start="649" selection-end="649" vertical-scroll-proportion="0.0">
+        <state line="21" column="21" selection-start="442" selection-end="442" vertical-scroll-proportion="0.46528804">
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/powerboard/src/main.h">
+    <entry file="file://$PROJECT_DIR$/powerboard/src/uart.h">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="24" column="34" selection-start="646" selection-end="646" vertical-scroll-proportion="0.0">
+        <state line="176" column="0" selection-start="6326" selection-end="6326" vertical-scroll-proportion="0.7784343">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/powerboard/Makefile">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="62" column="28" selection-start="1637" selection-end="1637" vertical-scroll-proportion="0.3323486">
           <folding />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/powerboard/src/main.c">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="169" column="0" selection-start="4305" selection-end="4305" vertical-scroll-proportion="0.66820276">
+        <state line="179" column="32" selection-start="4434" selection-end="4434" vertical-scroll-proportion="0.67713004">
           <folding />
         </state>
       </provider>
diff --git a/display/software/powerboard/Makefile b/display/software/powerboard/Makefile
index 073f3dd..1e4cbb1 100644
--- a/display/software/powerboard/Makefile
+++ b/display/software/powerboard/Makefile
@@ -60,7 +60,7 @@ CFLAGS += -Wall -Wstrict-prototypes
 CFLAGS += -Wa,-adhlns=$(<:.c=.lst)
 CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
 CFLAGS += $(CSTANDARD)
-CFLAGS += -DF_CPU=$(F_CPU) -DDEBUG
+CFLAGS += -DF_CPU=$(F_CPU) #-DDEBUG
 
 
 
diff --git a/display/software/powerboard/src/main.c b/display/software/powerboard/src/main.c
index 6d35efa..e933970 100644
--- a/display/software/powerboard/src/main.c
+++ b/display/software/powerboard/src/main.c
@@ -46,28 +46,28 @@ void measure(void) {
 }
 
 uint8_t get_power(uint16_t voltage, int16_t currents) {
-    return (voltage * (currents/100)) / 100;
+    return (voltage/100 * (currents/100)) / 100 ;
 }
 
-void pretty_print_all_values() {
+void pretty_print_all_values(void) {
     uart_puts_P("Voltage:   ");
-    uart_print_voltage(voltage);
-    uart_puts_P("V\r\n");
+    uart_print_uint16(voltage);
+    uart_puts_P("mV\r\n");
 
     uart_puts_P("Load:      ");
-    uart_print_current(current_out);
+    uart_print_int16(current_out);
     uart_puts_P("mA  ");
     uart_print_uint16( get_power(voltage, current_out));
     uart_puts_P("W\r\n");
 
     uart_puts_P("Generator: ");
-    uart_print_current(current_in);
+    uart_print_int16(current_in);
     uart_puts_P("mA  ");
     uart_print_uint16(get_power(voltage, current_in));
     uart_puts_P("W\r\n");
 }
 
-void handle_over_and_undervoltage() {
+void handle_over_and_undervoltage(void) {
     if(voltage > OVERVOLTAGE1) {
         overvoltage_off_counter1 = 0;
         if(overvoltage_counter1<OVERVOLTAGE_TIMEOUT1) overvoltage_counter1++;
@@ -157,8 +157,9 @@ int main(void) {
 	adc_init();
 	timer_init();
 	
-    uart_init(UART_BAUD_SELECT(9600,F_CPU));
+    uart_init(UART_BAUD_SELECT(38400,F_CPU));
 
+    uint16_t uart_char;
 
 	while(1) {
 
@@ -166,9 +167,50 @@ int main(void) {
 
             measure();
 
-            pretty_print_all_values();
+            //pretty_print_all_values();
 
             handle_over_and_undervoltage();
+
+
+
+
+
+        }
+
+        uart_char = uart_getc();
+
+        if(uart_char != UART_NO_DATA) {
+            switch(uart_char & 0xff) {
+                case 'p':
+                    pretty_print_all_values();
+                    break;
+                case 'v':
+                    uart_print_voltage(voltage);
+                    break;
+                case 'i':
+                    uart_print_uint16(current_in);
+                    break;
+                case 'o':
+                    uart_print_uint16(current_out);
+                case 'g':
+                    uart_print_uint16(get_power(voltage, current_in));
+                    break;
+                case 'c':
+                    uart_print_uint16(get_power(voltage, current_in));
+                    break;
+                case 'a':
+                    uart_print_voltage(voltage);
+                    uart_putc(':');
+                    uart_print_uint16(current_in);
+                    uart_putc(':');
+                    uart_print_uint16(current_out);
+                    uart_putc(':');
+                    uart_print_uint16(get_power(voltage, current_in));
+                    uart_putc(':');
+                    uart_print_uint16(get_power(voltage, current_out));
+                    break;
+            }
+            uart_putc('\n');
         }
 	}
 	
diff --git a/display/software/powerboard/src/main.h b/display/software/powerboard/src/main.h
index 33bf164..1a5f3ec 100644
--- a/display/software/powerboard/src/main.h
+++ b/display/software/powerboard/src/main.h
@@ -20,16 +20,16 @@
 
   #define IS_LOAD_ON    PIND &= _BV(LOADSW);
 
-  #define UNDERVOLTAGE          112
-  #define OVERVOLTAGE1          141
-  #define OVERVOLTAGE2          150
-  #define OVERVOLTAGE_TIMEOUT1  20
-  #define OVERVOLTAGE_TIMEOUT2  20
-  #define UNDERVOLTAGE_TIMEOUT  20
+  #define UNDERVOLTAGE          11200
+  #define OVERVOLTAGE1          14100
+  #define OVERVOLTAGE2          15000
+  #define OVERVOLTAGE_TIMEOUT1  5
+  #define OVERVOLTAGE_TIMEOUT2  3
+  #define UNDERVOLTAGE_TIMEOUT  5
 
   #define CURRENT_OFFSET        511
   #define CURRENT_PER_TICK      72
-  #define VOLTAGE_PER_TICK      15
+  #define VOLTAGE_PER_TICK      15.5
 
 #endif
 
diff --git a/display/software/powerboard/src/uart.h b/display/software/powerboard/src/uart.h
index 4299869..12f69fb 100644
--- a/display/software/powerboard/src/uart.h
+++ b/display/software/powerboard/src/uart.h
@@ -175,21 +175,6 @@ extern void uart_puts_p(const char *s );
 
 
 
-/** @brief  Initialize USART1 (only available on selected ATmegas) @see uart_init */
-extern void uart1_init(unsigned int baudrate);
-/** @brief  Get received byte of USART1 from ringbuffer. (only available on selected ATmega) @see uart_getc */
-extern unsigned int uart1_getc(void);
-/** @brief  Put byte to ringbuffer for transmitting via USART1 (only available on selected ATmega) @see uart_putc */
-extern void uart1_putc(unsigned char data);
-/** @brief  Put string to ringbuffer for transmitting via USART1 (only available on selected ATmega) @see uart_puts */
-extern void uart1_puts(const char *s );
-/** @brief  Put string from program memory to ringbuffer for transmitting via USART1 (only available on selected ATmega) @see uart_puts_p */
-extern void uart1_puts_p(const char *s );
-/** @brief  Macro to automatically put a string constant into program memory */
-#define uart1_puts_P(__s)       uart1_puts_p(PSTR(__s))
-
-/**@}*/
-
 
 #endif // UART_H 
 
diff --git a/display/software/powerboard/src/utils.c b/display/software/powerboard/src/utils.c
index f6711ba..6a5caca 100644
--- a/display/software/powerboard/src/utils.c
+++ b/display/software/powerboard/src/utils.c
@@ -13,13 +13,13 @@ void wait(uint8_t count) {
 void uart_print_voltage(uint16_t x) {
     uart_putc(48 + (x / 10000));
     uart_putc(48 + (x % 10000 /1000));
-    uart_putc(48 + (x % 1000 / 100 ));
-    uart_putc(48 + (x % 100 / 10 ));
     uart_putc('.');
-    uart_putc(48 + (x % 10));
+    uart_putc(48 + (x % 1000 / 100 ));
+    //uart_putc(48 + (x % 100 / 10 ));
+    //uart_putc(48 + (x % 10));
 }
 
-void uart_print_current(int16_t x) {
+void uart_print_int16(int16_t x) {
     if(x <0) uart_putc('-');
 	uart_putc(48 + (x / 10000));
 	uart_putc(48 + (x % 10000 /1000));
diff --git a/display/software/powerboard/src/utils.h b/display/software/powerboard/src/utils.h
index c70d97e..e3dec72 100644
--- a/display/software/powerboard/src/utils.h
+++ b/display/software/powerboard/src/utils.h
@@ -3,7 +3,7 @@
 
 	extern void wait(uint8_t count);
 	extern void uart_print_voltage(uint16_t);
-	extern void uart_print_current(int16_t);
+	extern void uart_print_int16(int16_t);
 	extern void uart_print_uint16(uint16_t);
 
 #endif