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Easily use Multiple 7 segment displays connected to 74HC595 and Other Shift registers with your Raspberry Pi

Project description

This is a simple library to use M 7 segment displays connected to N *595 Shift registers. All pin numbers are based on the GPIO.BCM numbering scheme. You will need the RPi.GPIO module available.

This module also requires my PiShiftPy library.

Basic Usage

Defaults

595 Data: 18
595 Clock: 23
595 Latch: 24
No of 595’s: 1
No of Displays on each 595: 1
Displays are Common Cathode: False

Code

import Pi7SegPy as Pi7Seg

Pi7Seg.init()
while True:
    Pi7Seg.show([1]) # Display 1 on a single 7 segment display connected to 1 Shift register

Advanced Usage

import Pi7SegPy as Pi7Seg

Pi7Seg.init(17,27,22,2,4) # Initialize with Data:GPIO17, Clock:GPIO27, Latch:GPIO22, with 2 shift registers and 4 7 segment displays on each register

while True:
    Pi7Seg.show([1,2,3,4,5,6,7,8], [1,2,5]) # Display 12345678 on 8 displays connected to 2 registers with dots enabled on the 1st, 2nd and 5th Digit

Available Characters

0,1,2,3,4,5,6,7,8,A,b,C,c,d,E,F,H,h,L,n,I,O,o,P,S, (space)

Project details


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Files for Pi7SegPy, version 0.1.1
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