MHS-3.2inch Display

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Product Pictures

Product Features

• Physical resolution 320 x 480, with resistive touch control
• It supports up to 125MHz SPI signal input, showing stable no screen and no flicker
• With the Raspberry Pi, the refresh rate is about 60FPS, playing video games is no problem.
• Support FBCP software driver, support dual screen display, can be adjusted by software to adjust the resolution
• Same size as the Raspberry Pi, perfectly compatible and can be directly inserted into any version of the Raspberry Pi (Raspberry Pi ZeroW, A, A+, B, B+, 2B, 3B, 3B+)
• Support for Raspbian/Ubuntu/Kali/Retropie systems, providing drivers and mirroring
• This product has passed CE and RoHS certification

Main Parameters

Name	Description
SKU	MHS3232
Screen Size	3.2inch
LCD Type	TFT
Module Interface	SPI (upports up to 125MHz SPI input)
Resolution	320*240 (Pixel)
Touch Screen Controller	XPT2046
LCD Driver IC	ILI9341
Backlight	LED
Power Consumption	0.16A*5V
Operating Temperature（℃）	-20~70
Module PCB Size	84.91*56.54 (mm)
Package Size	TBD
Product Weight(g)	TBD

Hardware Description

• Interface Definition

Pin Number	Identification	Description
1, 17	3.3V	Power supply (3.3V power input)
2, 4	5V	Power supply (5V power input)
3, 5, 7, 8, 10,22	NC	Not connected
6, 9, 14, 20, 25	GND	Power ground
11	TP_IRQ	The touch panel is interrupted, and it is detected that the touch panel is pressed low.
15	LCD_RS	Instruction/data register selection, low level is instruction, high level is data
19	LCD_SI / TP_SI	LCD display / touch panel SPI data input
21	TP_SO	Touch panel SPI data output
13	RST	Reset signal, low reset
23	LCD_SCK / TP_SCK	LCD display / touch panel SPI clock signal
24	LCD_CS	LCD chip select signal, low level enable
26	TP_CS	Touch panel chip select signal, low level enable
12	KEY1	Button 1
16	KEY2	Button 2
18	KEY3	Button 3

• Product Size

How to use in the Raspberry/Ubuntu Mate/Kali/Retropie system

There are two ways to use it

The First Method

Directly download the image we created and burn it into the micro SD card and insert it into the RaspberryPi. (Q:How to burn?)

Image download see the image download section of the Download Resources

方法二

步骤1,安装各种系统最新官方镜像 (Q:不会安装？)

(1)从官方下载最新Raspbian/Ubuntu Mate/Kali-linux/Retropie镜像

(2)使用SDFormatter格式化Micro SD卡，

(3)使用Win32DiskImager把官方镜像烧录到Micro SD卡。

步骤2,与树莓派连接

左|无框

如图将液晶屏母座靠右对齐树莓派排针插入   

插入MicroSD卡，连接网线，接好电源     

步骤3,安装LCD驱动(树莓派需连接互联网)

(1)登陆树莓派终端(SSH远程登录用户名和密码见资源下载的镜像下载) (Q:SSH无法连接？)

(2)执行以下命令获取LCD驱动(复制后在Putty窗口中单击鼠标右键即可粘贴):

sudo rm -rf LCD-show
git clone https://github.com/goodtft/LCD-show.git

(3)通过和本地驱动对比来修改LCD驱动（Raspbian系统不需要修改，本地驱动下载见资源下载的驱动下载）

(4)执行以下命令安装LCD驱动(复制后在Putty窗口中单击鼠标右键即可粘贴):

chmod -R 755 LCD-show
cd LCD-show/
sudo ./MHS32-show

(5)LCD驱动安装完成后，系统会自动重启，启动成功后就能正常显示和触摸了

注意事项：

A、LCD驱动的文件名称有可能不是LCD-show，需要根据实际情况执行命令

B、可以直接拷贝本地驱动到系统中进行LCD驱动安装，本地驱动下载见资源下载的驱动下载

C、ubuntu系统默认SSH没有开启，具体开启方法见RaspberryPi Ubuntu-mate系统开启SSH说明

D、ubuntu-18.04系统ssh连接可能会失败，具体解决方法见RaspberryPi Ubuntu-mate-18.04系统ssh连接失败解决方法说明

E、retropie-rpi1_zero系统不能通过SSH登录（没有网口和wifi模块），需要通过串口拷贝驱动，具体设置方法见RaspberryPi系统打开串口说明

F、安装此驱动后HDMI输出将会禁用，如需切换回HDMI显示，执行:

sudo ./LCD-hdmi

G、Retropie系统游戏安装及设置说明见RaspberryPi Retropie系统使用说明

Download Resources

• 文档

1. 3.2inch MHS3232 RaspberryPi模块快速入门
2. 3.2inch MHS3232 RaspberryPi模块使用说明
3. 如何安装LCD驱动
4. 如何校准电阻触摸屏
5. 如何安装虚拟键盘
6. 如何修改显示方向和触摸-GPIO-电阻触摸
7. 树莓派入门教程(下载，格式化，烧录，SSH，PuTTy)
8. RaspberryPi Ubuntu-mate系统开启SSH说明
9. RaspberryPi Ubuntu-mate-18.04系统SSH连接失败解决方法说明
10. RaspberryPi Zero打开串口说明
11. RaspberryPi Retropie系统使用说明

• 驱动下载

1. 本地下载:

MHS3232_raspbian_LCD-show.tar.gz

MHS3232_Ubuntu-18.04_LCD-show.tar.gz

MHS3232_Kali_LCD-show.tar.gz

MHS3232_retropie-4.4-rpi2_rpi3_LCD-show.tar.gz

MHS3232_retropie-4.4-rpi1_zero_LCD-show.tar.gz

• 镜像下载

如果你觉得前面步骤的修改配置、安装驱动都比较困难或者仍然显示异常，请先使用我们预装好驱动的镜像，

下载后解压并把镜像写入到TF卡中。然后把卡插入树莓派就可以使用了。

系统名称	系统版本	支持的树莓派版本	默认密码	下载地址
Raspbian	2019-04-08	PI3B+/A/A+/B/B+/PI2/ PI3/ZERO/ZERO W	user: pi password: raspberry	360Yun:	MHS32-2019-04-08-raspbian-stretch-full.7z
				Mega:	MHS32-2019-04-08-raspbian-stretch-full.7z
Ubuntu-mate	18.04.2-beta1	PI3B+,PI3,PI2	user: pi password: raspberry	360Yun:	MHS32-ubuntu-mate-18.04.2-beta1-desktop-armhf+raspi-ext4.7z
				Mega:	MHS32-ubuntu-mate-18.04.2-beta1-desktop-armhf+raspi-ext4.7z
Kali-linux	2019.1,nexmon	PI3B+,PI3,PI2	user: root password: toor	360Yun:	MHS32-kali-linux-2019.1-rpi3-nexmon.7z
				Mega:	MHS32-kali-linux-2019.1-rpi3-nexmon.7z
RetroPie-rpi2_rpi3	April 14, 2018.	PI3B+,PI3,PI2	user: pi password: raspberry	360Yun:	MHS32-retropie-4.4-rpi2_rpi3.7z
				Mega:	MHS32-retropie-4.4-rpi2_rpi3.7z
RetroPie-rpi1_zero	April 14, 2018.	Pi1/ZERO/ZERO W	user: pi password: raspberry	360Yun:	MHS32-retropie-4.4-rpi1_zero.7z
				Mega:	MHS32-retropie-4.4-rpi1_zero.7z

• 镜像文件MD5校验
• 常用软件

1. Panasonic SDFormatter
2. Win32DiskImager
3. PuTTY

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