//Arduino UNO with SSD1306 128x64 I2C OLED display

#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
#define OLED_RESET     4 // Reset pin # (or -1 if sharing Arduino reset pin)

Adafruit_SSD1306 oled(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

int potpin = A0;
int pot;

int white = SSD1306_WHITE; // colour white
int black = SSD1306_BLACK; // colour black
int wait = 1000;

void setup() {
  Serial.begin(9600);
  oled.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  oled.clearDisplay();
}
void loop() {
  pot = analogRead(potpin);
  pot = map(pot, 0,1023,0,255);
  oled.clearDisplay();
  frames();
  oled.setTextSize(3);
  oled.setCursor(68,30);
  oled.print(pot);
  oled.display();
}
void frames(){
  oled.setTextSize(2);
  oled.setTextColor(white);
  oled.setCursor(4,4);
  oled.println("FX:1");

  oled.setTextSize(1);                    //Red frame
  oled.setCursor(6,23);
  oled.print("Red");
  oled.setCursor(41,23);
  oled.print("255");
  oled.drawRect(4,21,56,11,white);        //(x,y,w,h,color)

  oled.setCursor(6,37);                   //green frame
  oled.print("Green");
  oled.setCursor(41,37);
  oled.print("255");
  oled.drawRect(4,35,56,11,white);        //(x,y,w,h,color)

  oled.setCursor(6,51);                   //blue frame
  oled.print("Blue");
  oled.setCursor(41,51);
  oled.print("255");
  oled.drawRect(4,49,56,11,white);        //(x,y,w,h,color)

  oled.setCursor(66,6);                   //speed frame
  oled.print("Speed");
  //oled.setCursor(68,30);
  //oled.setTextSize(3);
  //oled.print("255");
  oled.drawRect(64,4,60,56,white);        //(x,y,w,h,color)
  oled.display();
}