diff --git a/setup.h b/setup.h
index eafd4b2..09b1896 100644
--- a/setup.h
+++ b/setup.h
@@ -1,6 +1,7 @@
 //Setup file for main sketch
 
 const float shunt_resistance = -1; //resistance of current shunt
+const float voltage_divider = -1; //voltage division
 const char mcu_model[] ={"RP2040-Zero"};//currently unused, might be useful later
 
 #define VOLTAGE_PIN -1 //adc pin for voltage
@@ -12,4 +13,4 @@ const char mcu_model[] ={"RP2040-Zero"};//currently unused, might be useful late
 
 const bool use_7seggchan = true ; //pls use him he did nothing wrong [pleading face]
 const bool use_default_fonts = false ; //use custom fonts or default fonts (custom fonts reccomended, set to true and dont include fonts if memory usage is too high)
-const bool use_bitmaps = true ;//use bitmaps (reccomended, set to false and dont include images.h if memory usage is too high)
\ No newline at end of file
+const bool use_bitmaps = true;//use bitmaps (reccomended, set to false and dont include images.h if memory usage is too high)
\ No newline at end of file