arduino 3.5 tft display ams1117 made in china

Only US$14.99, buy best 3.5 inch tft color display screen module 320 x 480 support uno mega2560 geekcreit for arduino - products that work with official arduino boards sale online store at wholesale price.

Yes, I know that current Arduino Uno / Mega boards have an ATmega8U2 or ATmega16U2. I have never heard of anyone wanting to put different firmware into the 16U2. Obviously the CH340 is purpose made USB-Serial which you can"t alter.

I just installed the Arduino 1.8.10 version and kept my librairies Adafruit_GFX, MCUFRIEND_kbv, Touchscreen, LiquidCrystal_I2C, MFRC522, RF24 and ds3231

9.90 USD. I paid perhaps twice than that just for Arduino Uno! I think my friend bought it from this shop, since he has also "red" display, like in advertisement. If you want, take a look at thumbnails on the left and zoom into blue display - there is NO mention about RM68090, like in my picture, you also put an image. It is some different display that maybe works. Maybe that e-store replaced RM68090 display in the meantime, I don"t know. Otherwise it is a pure cheating, even if someone get refund for it!

Btw. friend of mine bought also "red" display, maybe from that store. Software did not autorecognise that display"s ID, he tryed different ID"s by forcing it, found something, but got mirrored image. He had to do some small modification to get it work properly.

Later, I added Elegoo libraries (Elegoo_TFTLCD, Elegoo_GFX) because i noticed Elegoo 2.8 boards are very similar to mine (just SMD resistor on different place, no 3.3V reg, just 2 buffer chips onboard). So, results above are before that "intervention" (I saved results before).

This module is a 3.5-inch TFT LCD module with “320X480” resolution and 65K color display. It is suitable for Arduino Uno and Mega2560 development boards, and also supports SD card expansion function. It uses 8-bit parallel port communication, and the driver IC is ILI9486.

The 3.5-inch display is a ready-made shield for Arduino Uno, which can also be placed on the Arduino Mega. The pins of this shield are designed to be easily installed on the Arduino. The bad point about these modules is that they use all Arduino Uno pins.

my_lcd.Draw_Line(2+random(my_lcd.Get_Display_Width()-4),17+random(my_lcd.Get_Display_Height()-34),2+random(my_lcd.Get_Display_Width()-4),17+random(my_lcd.Get_Display_Height()-34));

my_lcd.Draw_Rectangle(2+random(my_lcd.Get_Display_Width()-4),17+random(my_lcd.Get_Display_Height()-34),2+random(my_lcd.Get_Display_Width()-4),17+random(my_lcd.Get_Display_Height()-34));

my_lcd.Draw_Round_Rectangle(2+random(my_lcd.Get_Display_Width()-4),17+random(my_lcd.Get_Display_Height()-34),2+random(my_lcd.Get_Display_Width()-4),17+random(my_lcd.Get_Display_Height()-34),5);

my_lcd.Draw_Triangle(2+random(my_lcd.Get_Display_Width()-4),17+random(my_lcd.Get_Display_Height()-34),2+random(my_lcd.Get_Display_Width()-4),17+random(my_lcd.Get_Display_Height()-34),2+random(my_lcd.Get_Display_Width()-4),17+random(my_lcd.Get_Display_Height()-34));

my_lcd.Fill_Round_Rectangle(my_lcd.Get_Display_Width()/2-1-120+1, my_lcd.Get_Display_Height()/2-1-60+1, my_lcd.Get_Display_Width()/2-1+120-1, my_lcd.Get_Display_Height()/2-1+60-1,5);

In this Arduino touch screen tutorial we will learn how to use TFT LCD Touch Screen with Arduino. You can watch the following video or read the written tutorial below.

As an example I am using a 3.2” TFT Touch Screen in a combination with a TFT LCD Arduino Mega Shield. We need a shield because the TFT Touch screen works at 3.3V and the Arduino Mega outputs are 5 V. For the first example I have the HC-SR04 ultrasonic sensor, then for the second example an RGB LED with three resistors and a push button for the game example. Also I had to make a custom made pin header like this, by soldering pin headers and bend on of them so I could insert them in between the Arduino Board and the TFT Shield.

Here’s the circuit schematic. We will use the GND pin, the digital pins from 8 to 13, as well as the pin number 14. As the 5V pins are already used by the TFT Screen I will use the pin number 13 as VCC, by setting it right away high in the setup section of code.

I will use the UTFT and URTouch libraries made by Henning Karlsen. Here I would like to say thanks to him for the incredible work he has done. The libraries enable really easy use of the TFT Screens, and they work with many different TFT screens sizes, shields and controllers. You can download these libraries from his website, RinkyDinkElectronics.com and also find a lot of demo examples and detailed documentation of how to use them.

After we include the libraries we need to create UTFT and URTouch objects. The parameters of these objects depends on the model of the TFT Screen and Shield and these details can be also found in the documentation of the libraries.

So now I will explain how we can make the home screen of the program. With the setBackColor() function we need to set the background color of the text, black one in our case. Then we need to set the color to white, set the big font and using the print() function, we will print the string “Arduino TFT Tutorial” at the center of the screen and 10 pixels  down the Y – Axis of the screen. Next we will set the color to red and draw the red line below the text. After that we need to set the color back to white, and print the two other strings, “by HowToMechatronics.com” using the small font and “Select Example” using the big font.

In order the code to work and compile you will have to include an addition “.c” file in the same directory with the Arduino sketch. This file is for the third game example and it’s a bitmap of the bird. For more details how this part of the code work  you can check my particular tutorial. Here you can download that file:

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