Arduino Serial Println

1 Arduino: Misuriamo Il Campo Magnetico …
This magnetometer HMC5883L has within 3 magneto-resistive sensors arranged on three perpendicular axes (the Cartesian axes x, y and z).

http://www.meccanismocomplesso.org/arduino-magnetic-magnetic-magnetometer-hmc5883l/

2 Arduino 日本語リファレンス
Creative Commons Attribution-ShareAlike 3.0 License. このドキュメントはArduino Teamにより執筆され、Takumi Funadaが翻訳し、一部加筆修正し ...

http://www.musashinodenpa.com/arduino/ref/index.php?f=0&pos=2867