Pull-Down and Pull-Up Resistors

Discussion of how a resistor can either be used as a pull-up resistor or a pull-down resistor to tie a node in a circuit to a known voltage.

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Choosing a Current-Limiting Resistor

Discussion of the need to use resistors to limit the current in certain circuits.

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Basic Circuit Concepts

Broad-brush introduction to current, voltage, and resistance as well as how these are related through Ohm's Law. Also the concepts of linear and non-linear behavior are introduced. IV relationship are discussed where a diode is used an an example of a non-linear device.

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