diff --git a/.gitignore b/.gitignore
index 82cb8a74..9a932e4b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,11 @@
-.output
-bin/upgrade/*
+*.o
 
 # eclipse setting
 .settings
 .cproject
 .project
+
+# Example project files
+examples/**/sdkconfig
+examples/**/sdkconfig.old
+examples/**/build