diff --git a/ESP-IDF_Robot/tutorial/docs/source/index.rst b/ESP-IDF_Robot/tutorial/docs/source/index.rst
index fc30ac464..caf4c53c8 100644
--- a/ESP-IDF_Robot/tutorial/docs/source/index.rst
+++ b/ESP-IDF_Robot/tutorial/docs/source/index.rst
@@ -15,4 +15,5 @@ documentation for details.
    :maxdepth: 2
 
    intro
+   overview
    progress
diff --git a/ESP-IDF_Robot/tutorial/docs/source/overview.rst b/ESP-IDF_Robot/tutorial/docs/source/overview.rst
new file mode 100644
index 000000000..6f83125e2
--- /dev/null
+++ b/ESP-IDF_Robot/tutorial/docs/source/overview.rst
@@ -0,0 +1,4 @@
+HOW DOES IT WORK?
+=================
+
+.. image:: _static/ESP-IDF_Robot_schematic.png
\ No newline at end of file