October 2021
Beginner
242 pages
5h 43m
English
Content preview from Getting Started With Raspberry Pi, 4th Edition
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Real-time clock
You may want to add a real-time clock chip (like the DS1307)
for logging or keeping time when offline. This is also necessary
should you want to experiment with running a real-time operat-
ing system on the Pi.
Camera module
A $25 Raspberry Pi camera module is available as an official
peripheral. Version 2 of the camera sports an 8MP image sensor
and is capable of recording 1080p video, while the newest ver-
sion has a 12MP sensor. There is also an infrared camera model;
with a few infrared LEDs to “light” the scene, you can take pic-
tures in total darkness. You can also use a USB webcam (more
on this in Chapter 9).
LCD
Most Liquid Crystal Displays can be used via a few connections
on the GPIO header. Look for a TFT ...
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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.