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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. PCB prototype manufacturing calculator
    Find the least expensive PCP manufacturer for your hobby project - by Harald Kapp
    Updated: Jun 4, 2014
  4. How to take photos of circuit boards
    Hints and tips on how to take optimal photos of your circuit boards - by KrisBlueNZ
    Updated: May 5, 2014
  5. Adding new components to LTSPICE
    add models and subcircuits from other sources - by Harald Kapp
    Updated: May 13, 2014

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.
  3. LTSPICE Shortcuts

    Time-saving Keyboard Shortcuts for LTSpice
  4. How to take photos of circuit boards

    Hints and tips on how to take optimal photos of your circuit boards
  1. Updated:
    Nov 10, 2020
  2. Updated:
    Oct 10, 2020
  3. Updated:
    Aug 7, 2020
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    Aug 7, 2020
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    Jun 5, 2020
  6. Updated:
    May 20, 2020
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    May 20, 2020
  8. Updated:
    Mar 2, 2020
  9. Micro-Cap 12

    Micro-Cap simulator is now free
    Jan 10, 2020
  10. Selecting a suitable component

    Finding a component that suits your needs at the right price
    Jan 5, 2019
  11. Resistors, Capacitors, Zener diodes... Why the funny values?

    An explanation of the E-series and why those funny values are used.
    Mar 18, 2017
  12. ako: A Kind Of (aliasing components)

    Stepping device parameters or stepping complete device models
    Feb 21, 2017
  13. Simulating time variable resistors

    Simulate time variable resistors in LTSPICE using a voltage source as controller
    Feb 8, 2017
  14. Simulating sawtooth and triangular waveforms

    simulate sawtooth and triangular waveforms in LTSPICE using a PULSE source
    Jun 10, 2016
  15. Power Supplies - Common Terms and Limitations

    What is a power supply (source) and how can I control the voltage and current?
    Feb 23, 2016
  16. Electronics Talk - interesting interviews and shows

    Interesting videos with/on Electronics Legends
    Feb 17, 2016
  17. Stepper Motor Max RPM

    Details on how to calculate stepper motor max RPM.
    Jan 27, 2016
  18. How to Solder properly

    A series of profesional Videos from PACE
    Dec 23, 2015
  19. Audio Circuit Collection

    Predominantly circuit diagrams for music related equipment like guitars, but site has many others
    Nov 19, 2015
  20. Updated:
    Nov 3, 2015
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