Not Just Arduino University

Electronics

Circuits: open and short,continuity

Voltage, Current, Energy, Power

Resistors, Capacitors

Switches and Relays

Inductance

Test and Measurement, Multimeters

AC/DC, Batteries and Transformers

Frequency, Period, Phase

Oscilloscopes

Diodes

Bi Polar Transistors

Op amps

decibels

Compiler

Variables

C

Microcontrollers

Hardware I/O devices: motors, sensors, servos, steppers

C/C++

AVR, Hardware Programmers