diff --git a/ino/intval2_1_serial/intval2_1_serial_alt.patch b/ino/intval2_1_serial/intval2_1_serial_alt.patch
new file mode 100644
index 0000000..b8508a5
--- /dev/null
+++ b/ino/intval2_1_serial/intval2_1_serial_alt.patch
@@ -0,0 +1,8 @@
+27c27
+< const int PIN_MOTOR_FORWARD = 9;
+---
+> const int PIN_MOTOR_FORWARD = 12;
+29c29
+< const int PIN_MICRO = 19; //laser cut version
+---
+> const int PIN_MICRO = 7; //laser cut version