Using Servo Motors - SG90 (ESP32 + Arduino Series)

I am trying to do with ESP32 -Wroom-32D, i have done everything, but my servo motor is not rotating at all, i Have tried powering servo SG90 from external source, keeping common ground but still not working, can you tell me, where i am going wrong ??

A motor isn't a type of sensor or shield, right? Does it fall under its own category?

Line 17 wasn't necessary, was it? Line 12 keep reinitializing Pos to 0. Minor point, I know.

For some reason mine does the full sweep and doesn't perform it in increments...

Quick Comment - I have been making the transition to Platformio, the Lib Manager has been giving me issues. I have been OVER THINKING it. You explanation on "NOT using INSTALL button" but rather putting the text in the platformio file was very insightful. I appreciate it !!!