3.5inch RPi Display XTY

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Features

• 320×480 resolution
• Resistive touch control
• Supports any revision of Raspberry Pi (directly-pluggable)
• Compatible with Raspberry Pi A, B, A+, B+, 2B, 3B, 3B+versions
• Drivers provided (works with your own Raspbian/Ubuntu directly)
• Size perfectly fits the Pi
• High quality immersion gold surface plating
• Supports Raspbian system, ubuntu system ,kali Linux system

Key Parameters

SKU	MPI3501
LCD Type	TFT
LCD Interface	SPI(Fmax:32MHz)
Touch Screen Type	Resistive
Touch Screen Controller	XPT2046
Colors	65536
Backlight	LED
Resolution	320*480 (Pixel)
Backlight Current	120ma
Power Dissipation	0.13A*5V
Operating Temp. (℃)	-20~70

Interface

PIN NO.	SYMBOL	DESCRIPTION
1, 17	3.3V	Power positive (3.3V power input)
2, 4	5V	Power positive (5V power input)
3, 5, 7, 8, 10, 13, 15, 16	NC	NC
6, 9, 14, 20, 25	GND	Ground
11	TP_IRQ	Touch Panel interrupt, low level while the Touch Panel detects touching
12	BL_PWM	PWM to control backlight brightness
18	LCD_RS	Instruction/Data Register selection
19	LCD_SI / TP_SI	SPI data input of LCD/Touch Panel
21	TP_SO	SPI data output of Touch Panel
22	RST	Reset
23	LCD_SCK / TP_SCK	SPI clock of LCD/Touch Panel
24	LCD_CS	LCD chip selection, low active
26	TP_CS	Touch Panel chip selection, low active

Driver Installation

This LCD Module need install driver first.

Step 1：Download the Raspbian IMG

https://www.raspberrypi.org/downloads/raspbian/

Step 2: Burn the system image

If you don't know how to do that,you can refer to the Raspberry Pi office tutorial

Step 3: Open terminal(SSH) and install the driver on RaspberryPi

(tested on RaspberryPi 3B+,3B,2B,2B+,1B,ZERO)

Run:

git clone https://github.com/waveshare/LCD-show.git
chmod -R 755 LCD-show
cd LCD-show/
sudo ./LCD35-show

Wait A Few Minutes, when the system reboot ok, you can see that.

Use PWM to control backlight brightness

gpio -g pwm 18 1024
gpio -g mode 18 pwm
gpio pwmc 1000
gpio -g pwm 18 X

P.S. X value can be 0~1024

Touch screen calibration

• This LCD can be calibrated using a program called xinput_calibrator
• Install it with the commands:

cd LCD-show/

sudo dpkg -i -B xinput-calibrator_0.7.5-1_armhf.deb

• Click the Men button on the task bar, choose Preference -> Calibrate Touchscreen.
• Finish the touch calibration following the prompts. Maybe rebooting is required to make calibration active.
• You can create a 99-calibration.conf file to save the touch parameters (not necessary if file exists).

/ect/X11/xorg.conf.d/99-calibration.conf

• Save the touch parameters (may differ depending on LCD) to 99-calibration.conf, as shown in the picture:

Download Resources

• Document

1. How_to_install_the_LCD_driver_V1.2
2. How_to_install_matchbox-keyboard
3. How_to_calibrate_the_resistance_touch_screen-V1.2
4. How_to_use_Raspberry_Pi(Download,Format,Burn,SSH,PuTTy)-V1.0.pdf
5. How_to_change_display_direction-GPIO-Resistive_Touch-V1.2
6. MPI3501-3.5inch-RPi-Display-User-Manual-V1.0

• Driver download

download::LCD-show.tar.gz

• Images download

If you have difficulty installing the driver, or if you still can't use the display properly after installing the driver,

Please Try our Configned images for tested.

Just need download and write the image into the TF card. DO NOT need any driver installation steps.

Image Name	Version	Support	Password	Download
Raspbian	2018-11-13	PI3B+/A/A+/B/B+/PI2/ PI3/ZERO/ZERO W	user:pi password:raspberry	360Yun:	MPI3501-Raspbian-20181113.7z
				Mega:	MPI3501-Raspbian-20181113.7z
Ubuntu	Mate:16.04	PI3,PI2	user:pi password:raspberry	360Yun:	3.5inch-RPI3-RPI2-ubuntu-mate-16.04-beta2.7z
				Mega:	3.5inch-RPI3-RPI2-ubuntu-mate-16.04-beta2.7z
Kali-linux	2018.2,nexmon	PI3B+,PI3,PI2	user:root password:toor	360Yun:	3.5inch-MPI3501-kali-linux-2018.2-rpi3B+-nexmon
				Mega:	3.5inch-MPI3501-kali-linux-2018.2-rpi3B+-nexmon

• MD5 of Image
• Software

1. Panasonic SDFormatter
2. Win32DiskImager
3. PuTTY

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