diff --git a/Electrical/Board_003/.gitignore b/Electrical/Board_003/.gitignore
new file mode 100644
index 00000000..5e756a94
--- /dev/null
+++ b/Electrical/Board_003/.gitignore
@@ -0,0 +1,3 @@
+*.kicad_pcb-bak
+*.bak
+*.bck