diff --git a/controller_teensy/include/led.h b/controller_teensy/include/led.h
index 41ba30d..9f80c39 100644
--- a/controller_teensy/include/led.h
+++ b/controller_teensy/include/led.h
@@ -20,6 +20,7 @@ unsigned long last_ledupdate=0;
 uint8_t led_errorcount=0; //count led progress errors. used for delay at end if any errors occured
 
 void led_dotcircle(unsigned long loopmillis);
+void led_voltage(unsigned long loopmillis,float vbat,float vbat_min,float vbat_max);
 
 void init_led() {
   strip.begin();           // INITIALIZE NeoPixel strip object (REQUIRED)
diff --git a/controller_teensy/src/main.cpp b/controller_teensy/src/main.cpp
index 687f7fe..7d407e4 100644
--- a/controller_teensy/src/main.cpp
+++ b/controller_teensy/src/main.cpp
@@ -1,12 +1,15 @@
 #include <Arduino.h>
 
-#include "led.h"
 
 #include "definitions.h"
 //#include "structs.h"
-#include "helpfunctions.h"
+
 #include <TimeLib.h> //for teensy rtc 
+#include "helpfunctions.h"
 #include "hoverboard-esc-serial-comm.h"
+#include "led.h"
+
+
 //#include "comms.h"
 #include "display.h"
 #include "logging.h"