Arnov Sharma
Published © GPL3+

LED Matrix PCB

A 3x3 matrix printed circuit board with SMD 0603 indicator LED.

BeginnerFull instructions provided36 minutes1,759
LED Matrix PCB

Things used in this project

Hardware components

smd led
×9
smd resistor
×1
Arduino UNO
Arduino UNO
×1
UTSOURCE Electronic Parts
UTSOURCE Electronic Parts
everything above can be found here for a low price
×1

Software apps and online services

Arduino IDE
Arduino IDE

Story

Read more

Schematics

board's top layer for etching

sch

Code

code

C/C++
int pinsCount=9;                       
int pins[] = {2,3,4,5,6,7,8,9,10};         
 
void setup() {                
  for (int i=0; i<pinsCount; i=i+1){    
    pinMode(pins[i], OUTPUT);            
  }
}
 
void loop() {
  for (int i=0; i<pinsCount; i=i+1){   
    digitalWrite(pins[i], LOW);         
    delay(500);                         
    digitalWrite(pins[i], HIGH);          
  }

}

Credits

Arnov Sharma
358 projects • 368 followers
I'm Arnov. I build, design, and experiment with tech—3D printing, PCB design, and retro consoles are my jam.

Comments

Related channels and tags
  • Displays
  • Displays
  • UTSOURCE