Update README.md

notebooks/jun/README.md

@@ -41,6 +41,17 @@ We got some suggestions that the outlayer of our product(box) could be WOOD, .
 
 </details>
 
+<details><summary>9/19/21</summary>
+
+We have talked about bluetooth communication.
+
+We are considering use Labview, Java, or Python.
+
+Analog signal read -> get the signal through bluetooth -> present on the webApp.
+
+I need to figure it out how bluetooth works and make the fancy webApp.
+
+</details>