April 2020
Intermediate to advanced
224 pages
6h 2m
English
book
Save the World with Code: 20 Fun Projects for All Ages Using Raspberry Pi, micro:bit, and Circuit Playground Express
by Lorraine Underwood
Content preview from Save the World with Code: 20 Fun Projects for All Ages Using Raspberry Pi, micro:bit, and Circuit Playground Express
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MISSION 13
Floor Mat Alarm
For rooms where there are no doors or doors on which we don’t want to put electronics on the outside of, we can create a floor mat alarm. This is perfect if you share a room with a sibling and don’t want him or her on your side of the room. You create a sensor that will set off an alarm if he or she steps on it.
Algorithm
This sensor is basically the opposite of the door and cookie sensors. Rather than breaking the circuit, the circuit is created. It’s Mission 1 with a floor mat instead of you!
If circuit is created
Set off alarm
What’s very different is the build. The first part of the build is the same for all three devices.
Build
The build is the same for all devices, up to the moment you attach the device. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.