DIP switch 指撥開關 2.54mm Standard type finger switch / 標準型指撥開關 2.54mm Standard type finger switch PDF2.54mm Piano Type DIP Switch / 鋼琴型指撥開關2.54mm Piano Type DIP Switch PDF 2.54mm IC type finger switch / IC型指撥開關 2.54mm IC type finger switch PDF 2.54mm SMD IC type finger switch / SMD IC型指撥開關 2.54mm SMD IC type finger switch PDF