diff --git a/.env b/.env
new file mode 100644
index 00000000..37afa5da
--- /dev/null
+++ b/.env
@@ -0,0 +1,5 @@
+repo_dir=$(cd "$(dirname "$_")" && pwd)
+export ADF_PATH=$repo_dir/lib/esp-adf
+export IDF_PATH=$ADF_PATH/esp-idf
+. $IDF_PATH/export.sh
+