As many people have complained about having difficulties to use the MPU6050 Module, you can find here a detailed ESP8266 + NodeMCU Tutorial related with the MPU6050 Module initialisation and basic usage.
It's a step-by-step, detailed, walk-thru all the needed init stages and tests for a proper and smooth usage.
If you like it, please give a thumbs up :)
Related Article : http://www.esp8266-projects.com/2015/...
ESP8266 Board : http://www.esp8266-projects.com/2015/...
PS: I don't like to video edit anything, I like the look and feel of a real experience not a fancy TV Show, so all the mistakes are in place, when they happen :). Even the "beeps" :)