TFT display on Wokwi Arduino simulator - New feature!-2022

Connecting ILI9431 Display IC to an Arduino

TFT displays bring life to the project. Why shy with the LCD character display? OLED displays look good and stand out too but small size and limited colors limit the application to basic graphics but are still colorless. No color? No life!

Having the option of TFT display in your next Arduino project can add so many vibrant menu options, can display images, and hence can be a very rich user experience thing.

This is a very basic example of displaying a few texts on the display. We will use the library from Adafruit for the same. The best thing about the Wokwi Embedded systems simulator is that you can run the code straight from the browser. It means, you can easily share the project (as a link) and your friend can run it and lay with the project.

In this article, you will get a working Arduino project which has a simulated TFT display. The display will exactly work in the same way how it would work in the real world and with the real hardware. You can try any TFT project you have!

Let us get started. You will complete the code, connection diagram as well as live working Arduino simulation link so that you can start playing with the code instantly! For more information on the Simulated TFT display, click here.

Connection diagram - ILI9341 TFT display and Arduino

LCD Ground ---> UNO Ground

LCD VCC ---> UNO 5 V

LCD SCK ---> UNO Pin number 13

LCD MISO ---> UNO pin number 12

LCD MOSI ---> UNO Pin number 11

LCD CS ---> UNO Pin number 10

LCD D/C---> UNO Pin number 9

Arduino Code - ILI9341 TFT display and Arduino

/*
Simple "Hello World" for ILI9341 LCD
https://wokwi.com/arduino/projects/308024602434470466
*/
#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"
#define TFT_DC 9
#define TFT_CS 10
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
void setup() {
tft.begin();
tft.setCursor(26, 120);
tft.setTextColor(ILI9341_RED);
tft.setTextSize(3);
tft.println("Hello, TFT!");
tft.setCursor(20, 160);
tft.setTextColor(ILI9341_GREEN);
tft.setTextSize(2);
tft.println("I can has colors?");
// Meme reference: https://english.stackexchange.com/questions/20356/origin-of-i-can-haz
}
void loop() { }

Arduino Simulation - ILI9341 TFT display and Arduino

Arduino Code Simulation Link:

https://wokwi.com/arduino/projects/308024602434470466?ck_subscriber_id=972903999

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