What does LED, PR, SW, PSW, WC, R, IC, L, D, B, SP and M mean?
Here's some, U101......http://www.archtoolbox.com/representation/abbreviations/electabbrev.html
LED = Light Emitting Diode
IC = Integrated Circuit
IDK the rest bro. Let me look them Up.
Btw I already know them. I just want to know if you know them.