February 2022
Intermediate to advanced
182 pages
4h 25m
English
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Take a Picture
With the Terminal window still open, change to your PhotoHook project directory:
$ cd /home/pi/projects/photohook
Use the raspistill program already installed in the Raspberry Pi OS to take a photo, passing it the file path and name where you want to save the picture:
$ raspistill -o test0.jpg
After a few seconds, the test0.jpg file should appear in that directory. If raspistill reports an error, verify that your camera ribbon is attached correctly and that the Pi camera port has been enabled.
If you’re logged into the Raspberry Pi desktop, navigate to the project directory using the desktop File Manager, and double-click the test0.jpg file to view it in the photo viewer app.
Notice that the default image resolution for photos ...
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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.