diff --git a/README.md b/README.md
new file mode 100644
index 0000000..5d139b1
--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+# DC Sensor
diff --git a/firmware/README.md b/firmware/README.md
index 8b13789..33c24d5 100644
--- a/firmware/README.md
+++ b/firmware/README.md
@@ -1 +1 @@
-
+https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/storage/nvs_flash.html