September 2016
Intermediate to advanced
495 pages
9h 37m
English
book
Arduino: Building exciting LED based projects and espionage devices
by Adith Jagdish Boloor, Samarth Shah, Utsav Shah, Marco Schwartz
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Chapter 2. Creating a Spy Microphone
In this chapter, we are going to build a very useful device for any secret agent: a spy microphone. The project will be based on Arduino, with a simple amplified microphone and an SD card.
The following are the steps that we are going to take to build this project:
- We will see how to configure the project in order to make sure that it is recording for a given amount of time that can be configured by the user
- Then, the recorded audio file will be written on the SD card and be accessible from any computer
- Before doing that, we will test all the components of the project individually
Let's dive in!
Hardware and software requirements
Let's first see what the required components for this project are. As usual, we will ...
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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.