Physical Layer (OSI 1) Signals

• CMOS to TTL to etc... interfacing incl: voltage, current (typical sink, source), static, etc..
• Digital to Analog, Analog to Digital,
• PWM, Power, EMF interference, Filters
• Sensors, Components, Cables,
• Busses, Networks
• Modems - Signal Standards
• Timing
• User Interface

See also:

• Resistor color code calc
• Harold Hallikainen - Speaking Theoretically - A discussion of electronic theory

Questions: