Reference

Built-in Images

Colors

API Description

Print String

Prototype:void print(String ,unsigned char color)

• Function: Print a string in the panel.
• Parameters:
  • String: string, with “ ” enclosed
  • Color: color to show
    • Red: RED
    • Green: GREEN
    • Yellow: YELLOW
    • Blue: BLUE
    • Purple: PURPLE
    • Cyan: CYAN
    • White: WHITE

E.g.

 #include<Wire.h>
#include <DFRobot_RGBPanel.h>
DFRobot_RGBPanel panel;

void setup() {
}

void loop() {
  panel.print("DF1", BLUE); //Display DF1 in BLUE
}

Print Numbers and Variables

Prototype:void print(int val,unsigned char color)

• Function: Print Numbers and Variables in the plane.
• Parameters:
  • Val: int values or int variables
  • Color: color to show
    • Red: RED
    • Green: GREEN
    • Yellow: YELLOW
    • Blue: BLUE
    • Purple: PURPLE
    • Cyan: CYAN
    • White: WHITE

E.g.

#include<Wire.h>
#include <DFRobot_RGBPanel.h>
DFRobot_RGBPanel panel;

void setup() {
}

void loop() {
  int a=12;
  panel.scroll(Left);
  panel.print(a, BLUE); //Print variable a in BLUE.
  while(1);
}

Scroll Display

Prototype:void scroll(unsigned char dir)

• Function: Scroll Display
• Parameters:
  • Scroll in left: Left
  • Scroll in right: Right
  • Stop scroll: None

E.g.

#include<Wire.h>
#include <DFRobot_RGBPanel.h>
DFRobot_RGBPanel panel;

void setup() {
}
void loop() {
  panel.scroll(Left);            //Set to scroll in left
  panel.print("DFRobot", BLUE); //Show "DFRobot" in BLUE
  while(1);
}

Display Pixels

Prototype:void pixel(unsigned char x,unsigned char y,unsigned char color)

• Function: Spicify a pixel to show
• Parameters:
  • x:pixel position in x direction(value:0~7)
  • y:pixel position in y direction(value:0~15)
  • Color: color to show
    • Red: RED
    • Green: GREEN
    • Yellow: YELLOW
    • Blue: BLUE
    • Purple: PURPLE
    • Cyan: CYAN
    • White: WHITE

E.g.

#include<Wire.h>
#include <DFRobot_RGBPanel.h>
DFRobot_RGBPanel panel;

void setup(){
  Serial.begin(9600);
}

// Set the 1st LED to off, other 7 LEDs show GREEN, YELLOW, BLUE, PURPLE, CYAN, WHITE respectively.
void loop(){
  panel.pixel(0,0,QUENCH);
  panel.pixel(0,1,RED);
  panel.pixel(0,2,GREEN);
  panel.pixel(0,3,YELLOW);
  panel.pixel(0,4,BLUE);
  panel.pixel(0,5,PURPLE);
  panel.pixel(0,6,CYAN);
  panel.pixel(0,7,WHITE);
}

Clear Display

Prototype:void clear();

• Function: Clear the display.

• Parameters: None

E.g.

#include<Wire.h>
#include <DFRobot_RGBPanel.h>
DFRobot_RGBPanel panel;

void setup(){

}
//Show"DF1"in the panel and flash in every second.
void loop(){
 panel.print("DF1", BLUE);
 delay(1000);
 panel.clear();
 delay(1000);
}

Show All

Prototype:void fillScreen(unsigned char color)

• Function:
• Parameters:
  • Color: color to show
    • Red: RED
    • Green: GREEN
    • Yellow: YELLOW
    • Blue: BLUE
    • Purple: PURPLE
    • Cyan: CYAN
    • White: WHITE

E.g.

#include<Wire.h>
#include <DFRobot_RGBPanel.h>
DFRobot_RGBPanel panel;

void setup(){

}
//Fill in the display panel in BLUE and flash in every second.
void loop(){
 panel.fillScreen(BLUE);
 delay(1000);
 panel.clear();
 delay(1000);
}

Show Built-in Images

Prototype:void display(unsigned char picIndex,unsigned char color)

• Function: show built-in 23 images in the display panel, number as 0~22.
• Parameters:
  • Color: color to show
    • Red: RED
    • Green: GREEN
    • Yellow: YELLOW
    • Blue: BLUE
    • Purple: PURPLE
    • Cyan: CYAN
    • White: WHITE

E.g.

#include<Wire.h>
#include <DFRobot_RGBPanel.h>
DFRobot_RGBPanel panel;

void setup(){
  Serial.begin(9600);
}
//Show No.3 image in RED and flash in every second.
void loop(){
 panel.display(3,RED);
 delay(1000);
 panel.clear();
 delay(1000);
}