Hi, I am trying to make a http request from arduino, I have an arduino UNO and an internet module, what I am trying to do is with a temperature sensor to store that information in a database by means of an api that realizes In php, I was searched and searched but I could not find how to make a request http post, I need to assign a header since in the header I should send a token, and read the documentation from the library Ethernet.h but still nothing