The below code send some data (temperature and pressure here) to a server and reads back some data from server. The send part works every 5 minutes and the read part works every 5 seconds. This code works by polling method. All delays might have room for optimization #include <SFE_BMP180.h> //from sparkfun #include <Wire.h> #include… Continue reading Arduino – Communicate With Server – Part 1 – Arduino code