Electronics

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Tutorials


Ohms Law

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Voltage

Resistance

Pull-up Resistor

The Basics - Very Basic Circuits - http://www.seattlerobotics.org/encoder/mar97/basics.html

Current

current sources and sinks

Sinking and sourcing refer to the type of digital inputs and outputs used.

Sink
A sinking digital I/O (input/output) provides a ground.
Source
A sourcing digital I/O provides a voltage source.

References:

Power Source

Vcc

IC power supply pin - Wikipedia, the free encyclopedia - https://en.wikipedia.org/wiki/IC_power_supply_pin

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