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
| 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 |
| 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 |
L.O.V.E - A Valentine's day message to everyone
demo.mp4
