Here's the code i'm attempting to use
Code: Select all
#include <Wire.h>
#include "Adafruit_LEDBackpack.h"
#include "Adafruit_GFX.h"
Adafruit_7segment matrix = Adafruit_7segment();
int incomingByte = 0;
void setup() {
Serial.begin(9600);
Serial.println("7 Segment Backpack Test");
pinMode(13,OUTPUT);
matrix.begin(0x70);
}
void loop() {
// try to print a number
matrix.print(100, DEC);
matrix.writeDisplay();
digitalWrite(13,HIGH);
delay(500);
digitalWrite(13,LOW);
delay(250);
}