건의/개선/신고 Arduino And Arduino-compatible boards use printed circuit expansion boards called shields, which plug into the normally supplied Arduino pin headers. You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched http://www-x.phys.se.tmu.ac.jp/cx-tes/index.php?abelrao114015