 a fairly popular youtuber has gotten his hands on an AOA sensor and examined what is inside..    warning. graphic language may be heard in this video. 

 AvE /Bolter on youtube  https://youtu.be/NhZ0D-JRtz0

  my question.. is Boeing going to fly techs around the world to modify 737 Max aircraft wiring to use both AOA sensors. or is that just a software patch..