diff --git a/Sensors/src/main.cpp b/Sensors/src/main.cpp
index cb9fbba..1c9f9e0 100644
--- a/Sensors/src/main.cpp
+++ b/Sensors/src/main.cpp
@@ -1,18 +1,11 @@
-#include <Arduino.h>
+// https://www.youtube.com/watch?v=-AvF2TsB2GI&list=PLGs0VKk2DiYw-L-RibttcvK-WBZm8WLEP&index=50
 
-// put function declarations here:
-int myFunction(int, int);
+#include <Arduino.h>
 
 void setup() {
   // put your setup code here, to run once:
-  int result = myFunction(2, 3);
 }
 
 void loop() {
   // put your main code here, to run repeatedly:
 }
-
-// put function definitions here:
-int myFunction(int x, int y) {
-  return x + y;
-}
\ No newline at end of file