September 2019
Beginner
280 pages
5h 48m
English
Content preview from Micro:bit for Mad Scientists
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4MAGICAL MAGNETISM
As you saw in Chapter 1, the micro:bit has a built-in magnetometer that serves a variety of purposes. In this chapter, we’ll use it to turn your micro:bit into a compass that tells you which direction you’re facing. We’ll also measure the magnetic fields of neodymium magnets. Then, we’ll make a magnetic alarm that rings whenever someone opens the door.
PROJECT: COMPASS
Difficulty: Easy
In this project, shown in Figure 4-1, you’ll use the micro:bit’s built-in magnetometer as a compass. It will display an arrow on the screen that ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.