SHT1xの接続
http://learn.linksprite.com/arduino/shields/sht-10-digital-temperature-and-humidity-sensor/
Arduinoライブラリ
https://github.com/practicalarduino/SHT1x
SHTxのデータシート
http://cnlearn.linksprite.com/wp-content/uploads/2014/02/SHT1x_Datasheet.pdf
