pyCT-PCF8574
LCD script using I2C based on PCF8574
hd44870_lib.py
LCD script using I2C based on PCF8574.
Supports 16x2 and 20x4 screens.
Author : based on Matt's Hawkins work Date : 20/09/2015# http://www.raspberrypi-spy.co.uk/
Cubieboard version : Blazej Biernat https://systemembedded.eu
The wiring for the LCD is as follows:
1 : GND
2 : 5V
3 : Contrast (0-5V)*
4 : RS (Register Select)
5 : R/W (Read Write) - GROUND THIS PIN
6 : Enable or Strobe
7 : Data Bit 0 - NOT USED
8 : Data Bit 1 - NOT USED
9 : Data Bit 2 - NOT USED
10: Data Bit 3 - NOT USED
11: Data Bit 4
12: Data Bit 5
13: Data Bit 6
14: Data Bit 7
15: LCD Backlight +5V**
16: LCD Backlight GND
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