2.8inch Arduino Display: Difference between revisions

Latest revision as of 14:54, 2 November 2019

Supports development boards such as Arduino UNO and Mega2560 for plug-in use without wiring
320X240 resolution, clear display, support for touch function
Support 16-bit RGB 65K color display, display rich colors
8-bit parallel bus, faster than serial SPI refresh
On-board 5V/3.3V level shifting IC, compatible with 5V/3.3V operating voltage
Easy to expand the experiment with SD card slot
Provides an Arduino library with a rich sample program
Military-grade process standards, long-term stable work
Provide underlying driver technical support

Name	Parameter
Display Color	RGB 65K color
SKU	MAR2808
Screen Size	2.8(inch)
Type	TFT
Driver IC	ILI9341
Resolution	320*240 (Pixel)
Module Interface	8-bit parallel interface
Active Area	43.2*57.6(mm)
Module PCB Size	52.70*78.22(mm)
Operating Temperature	-20℃~60℃
Storage Temperature	-30℃~70℃
Operating Voltage	5V/3.3V
Power Consumption	TBD
Product Weight(Package containing)	44(g)

Number	Pin Label	Pin Description
1	LCD_RST	LCD bus reset signal, low level reset
2	LCD_CS	LCD bus chip select signal, low level enable
3	LCD_RS	LCD bus command / data selection signal, low level: command, high level: data
4	LCD_WR	LCD bus write signal
5	LCD_RD	LCD bus read signal
6	GND	Power ground
7	5V	5V power input
8	3V3	3.3V power input, this pin can be disconnected
9	LCD_D0	LCD 8-bit data Bit0
10	LCD_D1	LCD 8-bit data Bit1
11	LCD_D2	LCD 8-bit data Bit2
12	LCD_D3	LCD 8-bit data Bit3
13	LCD_D4	LCD 8-bit data Bit4
14	LCD_D5	LCD 8-bit data Bit5
15	LCD_D6	LCD 8-bit data Bit6
16	LCD_D7	LCD 8-bit data Bit7
17	SD_SS	SD card SPI bus chip select signal, low level enable
18	SD_DI	SD card SPI bus MOSI signal
19	SD_DO	SD card SPI bus MISO signal
20	SD_SCK	SD card SPI bus clock signal


Arduino UNO direct insertion picture	Arduino Mega2560 direct insertion picture

Download the Arduino test program from the Program Download column
For a description of the relevant test procedures, please refer to the test program documentation in the package

Plug the module directly into the Arduino development board ( Do not plug in?)
After the module is plugged in, power on the Arduino board

Make sure the Arduino IDE is installed on your computer (if it is not installed: Arduino IDE download URL)
After installing the Arduino IDE, you need to copy the dependent library to the Arduino project directory as follows:

(1) Decompress the downloaded test package

(2) Copy the dependent libraries in the Install libraries directory in the package (shown below) to the libraries folder

of the Arduino project directory （ Don't know the Arduino project directory?）

Open the sample in the Example directory of the package to test, compile and download（ Don't know how to compile and download?）

After the program is downloaded, run it directly and observe the running status. If it can be displayed normally, the program runs

successfully, as shown in the following figure (take the display_graphics program as an example):

@@ Line 220: / Line 220: @@
 * [http://www.lcdwiki.com/res/MAR2808/2.8inch_Arduino_8BIT_Module_MAR2808_User_Manual_EN.pdf '''2.8 inch Arduino UNO Module User Manual''']
 * [http://www.lcdwiki.com/images/6/66/MAR2808-001.PNG '''2.8 inch Arduino UNO Module Size Picture''']
-* [http://www.lcdwiki.com/res/MAR2808/MAR2808-2.4-UNO.pdf '''2.8 inch Arduino UNO Module Schematic''']
 * [http://www.lcdwiki.com/res/MAR2808/Altium_2.8_37pin_QD-TFT2802_Package_library.zip '''2.8 inch QD-TFT2802 TFT LCD Schematic and PCB Package Library''']
 * [http://www.lcdwiki.com/res/MAR2808/QD-TFT2802_V1.1.pdf '''2.8 inch TFT Specifications''']