March 2017
Beginner to intermediate
422 pages
8h 4m
English
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Interfacing push switches
As we move on to capturing input from the Raspberry Pi Zero, let's start with a simple push switch. Like most of what we've done in the cookbook, the simple circuits show how easy it is to move on to more complex solutions.
Getting ready
You'll need the following for this recipe:
- RGB LED (or three LEDs)
- Three 330-Ohm resistors
- One four-leg pushbutton switch
If you still have the circuit wired from the previous chapter's Raspberry Pi Health Check, you can keep the circuit intact with the piezo buzzer and there won't be any conflicts when adding the pushbutton.
How to do it...
- Configure the following circuit with your Raspberry Pi:
Note
A four-leg-switch doesn't have an up or a down, or a "pin 1". Simply orient the switch so 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.