Hello. I am using ESP8266 with servo motor SG90. I want to use either the new Blynk IOT app or IOT remote by Arduino. How should I write the code..? Can anyone send me the code for this project,,? Thanks all!!
We don't write code, we assist you in writing the code.
Your topic has been moved to a more suitable location on the forum. Installation and Troubleshooting is not for problems with (nor for advice on) your project 
See About the IDE 1.x category.
Here in the portion of "void onServoChange", can you please assist me how am i supposed to rotate the servo from 0 to 90 degree..? Just give me the idea.
In this case I have used IOT remote app by Arduino.
I have deleted your other cross-post @ahmadbasir4247.
Cross-posting is against the Arduino forum rules. The reason is that duplicate posts can waste the time of the people trying to help. Someone might spend a lot of time investigating and writing a detailed answer on one topic, without knowing that someone else already did the same in the other topic.
Repeated cross-posting can result in a suspension from the forum.
In the future, please only make one topic for each distinct subject matter. This is basic forum etiquette, as explained in the "How to get the best out of this forum" guide. It contains a lot of other useful information. Please read it.
Thanks in advance for your cooperation.
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