As you may know, Geeetech is located in Shenzhen, a southern city of China. The weather there all year long is almost hot and humid. Getting to used it is no easy, especially when you come from a northern part of this country. March in Shenzhen is getting warmer and damper. However after days of rain recently, the temperature begins to fall again. Making an electric thermometer which can measure current temperature and humidity with LCD readout using our Arduino is a good idea.
All we need is: