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Raspberry Pi 3 Cookbook for Python Programmers - Third Edition
book

Raspberry Pi 3 Cookbook for Python Programmers - Third Edition

by Steven Lawrence Fernandes, Tim Cox
April 2018
Beginner content levelBeginner
552 pages
13h 58m
English
Packt Publishing
Content preview from Raspberry Pi 3 Cookbook for Python Programmers - Third Edition

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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Publisher Resources

ISBN: 9781788629874Supplemental Content