Hi, I am unable to understand that why do we need to use the setKey function in project 3, controlling LED, and not in project 1.
Pl tell why do we need to use the setKey function in project 3 and not in project 1
Thank you @raghav.srivastava, your reply helped to solve my doubt.
Setkey helps to authenticate the user, whenever it tries to get the data from Boltcloud. Its a very important feature which helps in authentication.