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Electronic Theory

Articles relating to electronic theory, rather than specific circuit designs go in this section.

Top Resources

  1. Using a bipolar transistor to turn a load on and off
    For situations when your microcontroller (or whatever) can't do it on its own. - by (*steve*)
    Updated: Jul 6, 2014
  2. Do I need a heatsink? How big?
    A simple inroduction to heatsinking components - by (*steve*)
    Updated: Jul 6, 2014
  3. Resistors, Capacitors, Zener diodes... Why the funny values?
    An explanation of the E-series and why those funny values are used. - by (*steve*)
    Updated: Mar 18, 2017
  4. Power Supplies - Common Terms and Limitations
    What is a power supply (source) and how can I control the voltage and current? - by Gryd3
    Updated: Feb 23, 2016
  5. Stepper Motor Max RPM
    Details on how to calculate stepper motor max RPM. - by Fish4Fun
    Updated: Jan 27, 2016

View All Featured Resources

  1. Long duration timers - Notes for beginners

    Tips for beginners on long duration timers.
  2. Got a question about driving LEDs?

    A list of common anwers and links to useful documentation on driving LEDs.
  1. Resistors, Capacitors, Zener diodes... Why the funny values?

    An explanation of the E-series and why those funny values are used.
    Updated:
    Mar 18, 2017
  2. Power Supplies - Common Terms and Limitations

    What is a power supply (source) and how can I control the voltage and current?
    Updated:
    Feb 23, 2016
  3. Stepper Motor Max RPM

    Details on how to calculate stepper motor max RPM.
    Updated:
    Jan 27, 2016
  4. How a BJT Transistor works (base current version)

    A simple (if not absolutely accurate description) of how a normal transistor operates
    Updated:
    Aug 21, 2014
  5. Logic gates

    Explanations about logic gates and what they can be used for
    Updated:
    Jul 16, 2014
  6. Electronic power and resistance rules

    Power and resistance rules you need to know (Further edits ongoing)
    Updated:
    Jul 10, 2014
  7. Using a bipolar transistor to turn a load on and off

    For situations when your microcontroller (or whatever) can't do it on its own.
    Updated:
    Jul 6, 2014
  8. Do I need a heatsink? How big?

    A simple inroduction to heatsinking components
    Updated:
    Jul 6, 2014
  9. Op Amp Stability

    Information and solutions to stability problems you can get with op-amps
    Updated:
    Jun 4, 2014
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