diff --git a/Code/thermal_printer/.gitignore b/Code/thermal_printer/.gitignore
index 3d83681..19e7260 100644
--- a/Code/thermal_printer/.gitignore
+++ b/Code/thermal_printer/.gitignore
@@ -1,3 +1,4 @@
 *.o
 *.elf
 *.swp
+.idea