Tft.readPixel(x,y) //uint16_t readPixel(int16_t x, int16_t y)ĭrawPixel function fills a pixel in x and y location by t color. You can add these lines to the top of your code and just use the name of the color in the functions.įilling Pixels tft.drawPixel(x,y,t) //drawPixel(int16_t x, int16_t y, uint16_t t) The t should be a 16bit variable containing UTFT color code. Popular sizes of Arduino displays such as 3.5 inch 480×320, 2.8 inch 400×240, 2.4 inch 320×240 and 1.8 inch 220×176.įillScreen function change the color of screen to t color. Then tft.begin function gets ID and the LCD gets ready to work. The tft.readID function reads ID from the display and put it in ID variable. Running the LCD uint16_t ID = tft.readID() ![]() These lines are the core graphics library for displays (written by Adafruit). Including Libraries #include "Adafruit_GFX.h" You will the need the following libraries: Change screen parameters such as rotation.ĭownload the libraries from the Arduino Library Manager.Draw shapes like circle, triangle, square, etc.Write texts and numbers with your own font.From basic commands to professional designs and technics are all explained here. In this article, you will learn how to use TFT LCDs by Arduino boards.
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