Part 2: Active Component Symbols https://www.youtube.com/watch?v=CpL5omjyfww Schematics are the language used to describe electrical and electronic circuits. To understand how to read them, you need to know how each of the basic symbols look. Part 2 of this 3 part tutorial describes the symbols used for active components like diodes, transistors (BJTs and MOSFETs). Part 1: Passive ComponentsPart 3: Arduino Schematic