June 2016
Intermediate to advanced
272 pages
5h 4m
English
Content preview from Arduino Project Handbook
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Project 21: Motion Sensor Alarm
In this project, we’ll build a motion-sensing alarm using a passive infrared (PIR) sensor.
PARTS REQUIRED
• Arduino board
• Breadboard
• HC SR501 PIR sensor
• LED
• Piezo buzzer
You can use this alarm to trigger a variety of outputs, such as lights, motors, or even a “welcome home” message when you approach your front door.
HOW IT WORKS
This project is based on the HC SR501 PIR sensor, which is widely available online for a few dollars. We’re going to set it up so that when someone passes in front of the PIR sensor, ...
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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.