4.0inch Arduino Display-Mega2560

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Product Picture

Product Description

• 3.95-inch color screen, support 65K color display, display rich colors
• 320x480 HD resolution for clear display
• Fast transmission with 8-bit parallel bus
• On-board 5V/3.3V level shifting IC, compatible with 5V/3.3V operating voltage
• Support Arduino Mage2560 direct plug-in use
• Support touch function
• Provides an Arduino library with a rich sample program
• Easy to expand the experiment with SD card slot
• Military-grade process standards, long-term stable work
• Provide underlying driver technical support

Product Parameters

Name	Parameter
Display Color	RGB 65K color
SKU	MAR3953
Screen Size	3.95(inch)
Type	TFT
Driver IC	ILI9488
Resolution	480*320 (Pixel)
Module Interface	8-bit parallel interface
Active Area	60.53x88.38(mm)
Module PCB Size	61.54x105.69 (mm)
back light	6 chip HighLight white LEDs
Operating Temperature	-20℃~60℃
Storage Temperature	-30℃~70℃
Operating Voltage	5V/3.3V
Power Consumption	TBD
Product Weight(Package containing)	68(g)

Interface Definition

Number	Module Pin	Pin Description	Number	Module Pin	Pin Description
1	5V	Positive power supply	2	5V	Positive power supply
3	DB8	8th bit of data bus	4	DB9	9th bit of data bus
5	DB10	10th bit of data bus	6	DB11	11th bit of data bus
7	DB12	12th bit of data bus	8	DB13	13th bit of data bus
9	DB14	14th bit of data bus	10	DB15	15th bit of data bus
11	DB7/NC	7th bit of data bus(does not need to be connected when using 8-bit mode)	12	DB6/NC	6th bit of data bus(does not need to be connected when using 8-bit mode)
13	DB5/NC	5th bit of data bus(does not need to be connected when using 8-bit mode)	14	DB4/NC	4th bit of data bus(does not need to be connected when using 8-bit mode)
15	DB3/NC	third bit of data bus(does not need to be connected when using 8-bit mode)	16	DB2/NC	2nd bit of data bus(does not need to be connected when using 8-bit mode)
17	DB1/NC	1st bit of data bus(does not need to be connected when using 8-bit mode)	18	DB0/NC	0 bit of data bus(does not need to be connected when using 8-bit mode)
19	LCD_RS	LCD register / data selection signal Low level: register, high level: command	20	LCD_WR	LCD write control signal
21	LCD_CS	LCD screen select control signal, low level enable	22	LCD_RST	LCD reset control signal, low reset
23	NC	Undefined, reserved	24	LCD_RD	LCD read control signal
25	TP_IRQ	Touch screen interrupt control signal, low level when touch is detected	26	NC	Undefined, reserved
27	NC	Undefined, reserved	28	NC	Undefined, reserved
29	SD_CS	SD card select control signal, low level enable	30	NC	Undefined, reserved
31	MISO	SPI bus input signal	32	MOSI	Touch screen chip select control signal, low level enable
33	EX_CLK	SPI bus clock signal	34	TP_CS	SD card select control signal, low level enable
35	GND	Power ground	36	GND	Power ground

Connect to Arduino

Arduino Mega2560 direct insertion picture

How to use on Arduino

• Step 1: Download the test program

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

• Step 2: Connect the Arduino development board

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

• Step 3: Copy the dependent library

1. Make sure the Arduino IDE is installed on your computer (if it is not installed: Arduino IDE download URL)
2. 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?）

• Step 4: Compile and download the program to the development board

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

• Step 5: Observe the running of the program

1. 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 colligate_test test program as an example):

Program Download

• 3.95 inch Arduino Mega2560 module package

Product Documentation

• 3.95 inch Arduino Mega2560 Module User Manual
• 3.95 inch Arduino Mega2560 Module Size Picture
• Driver IC ILI9488 Data sheet

Reference Materials

• Arduino IDE software use illustration
• C51 Keil and stc-isp software use illustration
• STM32 keil software use illustration
• PCtoLCD2002 software use illustration
• Image2Lcd software use illustration
• Chinese and English display modulo settings

Common Software

• PCtoLCD2002
• Image2Lcd

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