diff --git a/README.md b/README.md
index f3218c1..780f0f6 100644
--- a/README.md
+++ b/README.md
@@ -24,4 +24,8 @@
 
 * [What HIFI - Sony Bluetooth Speaker Lamp](https://www.whathifi.com/news/sony-glass-sound-speaker-bluetooth-speaker-and-table-lamp-in-one)
 
-## STL / 3d printing
\ No newline at end of file
+## STL / 3d printing
+
+## Electrical Circuit
+
+* ![Electrical Circuit](https://git.meywue.com/meywue/GlassBluetoothSpeaker/src/branch/master/electrical_circuit.png)
\ No newline at end of file