High Power Interfaces - Build a 9-200V Boost Chop Converter

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Location

Halifax Makerspace

275 Rocky Lake Drive

#Suite 19

Bedford, NS B4A 2S5

Canada

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This workshop will cover the basics and more about how to interface micro controllers to high powered devices like motors, house lights and solenoids using basic electronic components.

The main interface components covered will be:

  • Relays
  • Transitors
  • MOSFETs

Topics touched on will include:

  • Appropriate use of components to step up current and voltage.
  • Why MOSFETs seem tricky at higher frequency or high amperage, and how to properly build a circuit to use them at their listed capacity.
  • How to protect semiconductors from EMF and the basics of inductive loads.
  • Where to find more information when you want to do more.

We will be building a simple boost chop converter using a transistor, a MOSFET and an inductor and seeing how changing the signal from the Arduino affects the circuit, and what kills it. The oscilloscope will be used to show what is happening on microsecond timescales with the MOSFET, depending how we are doing for time, as this is the most complicated common semi conductor to interface to effectively.

This class should let even beginners know how to build these basic circuits, and will make it easier for them to understand when they read more about them online.

People who advance faster can try interfacing to the desk lamp.

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Prerequisites: None, though prior knowledge will help you advance further with more circuits. Arduinos can be loaded with code by the instructor, or you can program it yourself if you can (in which case, you should bring a laptop loaded with the Arduino IDE).



Date and Time

Location

Halifax Makerspace

275 Rocky Lake Drive

#Suite 19

Bedford, NS B4A 2S5

Canada

View Map

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