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 11
Number Lock for Your Devices
The problem with the cookie jar alarm is that sometimes we need cookies. And we don’t want our cookie enjoyment ruined by an alarm constantly going off! We also need to get into our room without the door alarm going off.
Let’s create a number lock for the cookie jar for the micro:bit and Circuit Playground Express and a number lock for the door for the Raspberry Pi. This will be more secure than the sword lock, because you have to enter a number to unlock it. The alarm will give you 10 seconds to enter the correct code before it goes off.
We can scroll through numbers using the A button, and submit a guess using the B button on the micro:bit and the Circuit Playground Express. On the Raspberry Pi, we’re ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.