April 2018
Beginner
552 pages
13h 58m
English
book
Raspberry Pi 3 Cookbook for Python Programmers - Third Edition
by Steven Lawrence Fernandes, Tim Cox
Content preview from Raspberry Pi 3 Cookbook for Python Programmers - Third Edition
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Directly controlling an LCD alphanumeric display
Alternatively, you can also drive the screen directly from the Raspberry Pi with the following connections:
We are not using the I2C bus here.
|
LCD |
VSS |
VDD |
V0 |
RS |
RW |
E |
DB4 |
DB5 |
DB6 |
DB7 |
|
LCD Pin |
1 |
2 |
3 |
4 |
5 |
6 |
11 |
12 |
13 |
14 |
|
Raspberry Pi GPIO |
6 (GND) |
2 (5V) |
Contrast |
11 |
13 (GND) |
15 |
12 |
16 |
18 |
22 |
The preceding table lists the connections required between the Raspberry Pi and the HD44780-compatible, alphanumeric display module.
The contrast pin (V0) can be connected to a variable resistor as before (with one side connected to the 5 V supply and the other to GND); although, depending on the screen, you may find you can connect directly ...
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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.