1 files changed, 8 insertions, 0 deletions
diff --git a/keyboards/vitamins_included/split_util.c b/keyboards/vitamins_included/split_util.c
index b86ad137bf..4a898cd7ba 100644
--- a/keyboards/vitamins_included/split_util.c
+++ b/keyboards/vitamins_included/split_util.c
@@ -14,6 +14,14 @@
 volatile bool isLeftHand = true;
 volatile bool contacted_by_master = false;
 
+bool is_rev2(void) // Input with pullup, if rev2, pin is pulled down with 220R resistor.
+{
+  setPinInputHigh(B5);
+  bool rev2 = !readPin(B5);
+  setPinInput(B5);
+  return rev2;
+}
+
 // this code runs before the usb and keyboard is initialized
 void matrix_setup(void) {
   isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);