Abstract
If you are new to working with hardware and have little or no experience with electronics, you may be curious as to how you can complete the projects in this book. Fortunately, the projects in this book walk you through how to connect the various electronic parts together with your MicroPython board. That is, you can complete the projects without additional skill or experience.
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Notes
- 1.
However, there is no substitute for formal training! If you want to explore electronics beyond the tutorial in this chapter, you may want to consider formal training or even a self-paced course as described in the sidebar, “I Want to Learn More!”
- 2.
Older multimeters have an analog gauge. You can still find them if you want a bit of old school feel.
- 3.
Yes, a bit of OCD there. Check, double-check, check again.
- 4.
- 5.
A variant of Ohm’s law ( https://en.wikipedia.org/wiki/Ohm's_law ).
- 6.
This depends on the width of the parallel buffer. An 8-bit buffer can communicate 1 byte at a time, a 16-bit buffer can communicate 2 bytes at a time, and so on.
- 7.
- 8.
I subscribe to the more is better theory and have many detectors in our home, which is great but when the batteries run down, I can never tell which detector is beeping! This becomes maddeningly frustrating when they beep only once or twice then go silent. Fortunately, I’ve replaced nearly all of them with the newest 10-year battery variants. No more wild beep goose chases!
- 9.
Accuracy may depend on environmental variables such as elevation, temperature, and so on.
- 10.
- 11.
Have you ever thought it would be great if you could catch a photo of whatever critter is eating your garden? Build your own critter camera with a proximity sensors and an infrared camera!
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© 2017 Charles Bell
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Bell, C. (2017). Electronics for Beginners. In: MicroPython for the Internet of Things. Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4842-3123-4_7
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DOI: https://doi.org/10.1007/978-1-4842-3123-4_7
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