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This repository aims to provide a basic program, schematic diagram, and PCB design for an eight by four (8x4) LED matrix with Arduino and SN74HC595 shift register IC

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jkga/led_matrix_8x4_module

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LED Matrix(8x4) Module

This repository aims to provide a basic program, schematic diagram, and PCB design for an eight by four (8x4) LED matrix with Arduino and SN74HC595 shift register IC

Sketch & Pin Configurations

Arduino Uno Sketch

Module Arduino
Latch L 8
Serial Data Input D 11
Clock Input C 12
Row 1 4 4
Row 2 3 5
Row 3 2 6
Row 4 1 7
Power (+) + 5v
Power (-) - GND

Bills of Materials

QTY Reference Value
1 C1 33uf
1 C2 0.1uf
1 C3 0.1uf
32 D1 - D32 LED (Vfmin = 1.7v; Ifmax = 0.25mA)
1 J1 1x4 Female Connector
1 J2 1x4 Female Connector
1 J3 1x4 Female Connector
1 J4 2x8 DIP Socket
8 Q1 - Q8 PN2222A BJT Transistor
8 4.7k ohms
8 510 ohms
1 U1 SN74HC595N
10 Jumper Wires

Demo

L.O.V.E - A Valentine's day message to everyone

demo.mp4

Schematic Diagram

schematic_diagram

Printed Circuit Board

schematic_diagram

Rendered Model

schematic_diagram

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This repository aims to provide a basic program, schematic diagram, and PCB design for an eight by four (8x4) LED matrix with Arduino and SN74HC595 shift register IC

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