diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..74c4922
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,11 @@
+# schematic files
+hardware/
+
+# compiler data
+build/
+src/.cache/
+src/compile_commands.json
+
+# local configs
+src/sdkconfig
+src/sdkconfig.old