3.2 TFT Touch Screen for Raspberry Pi A+/B+ and 2 with resistive touch stylus

Rs.1,950.00

Availability: Out of stock

RJ000113
 

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on Rs 500 Purchase

 

Support service

91-9740622327

 

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Details

This screen has kernel driver and allows you not to change RaPi image(which we consider a bit lame because you do not know what is there in pre-configured image and you will again have to install all your favorite  software/tools)

 

Description

It is a 3.2" display with 320x240 16-bit color pixels and a resistive touch overlay. The plate uses the high speed SPI interface on the Pi and can use the mini display as a console, X window port, displaying images or video etc. Best of all, it is use FPC cable connect with Raspberry Pi.

It's designed to fit nicely onto the Pi Model A or B but also works perfectly fine with the Model B+ and 2.

Uses the hardware SPI pins (SCK, MOSI, MISO, CE0, CE1) as well as GPIO #17, software and hardware is compatible HY28B.

Package content

  • 320x240 3.2" TFT
  • 8 cm 12pin FPC cable
  • 25 cm 12pin FPC cable
  • 12 pin FPC to 2x13 male header expansion board
  • Resistive Touch Stylus

 For Raspberry Pi 2

Ensure Raspberry Pi Boots with command line

https://www.raspberrypi.org/forums/viewtopic.php?f=45&t=105797

Detailed Steps

  1. sudo raspi-config
  • Enable Expand File System
  • Enable Advanced Option Device Tree
  1. sudo apt-mark hold raspberrypi-bootloader
  2. sudo apt-get update
  3. sudo apt-get upgrade
  4. sudo rpi-update
  5. sudo apt-get install libts-bin evtest xinput python-dev python-pip -y
  6. sudo pip install evdev
  7. sudo shutdown -h now
  8. sudo nano /boot/cmdline.txt
  • fbcon=map:10

 fbcon=map:10 fbcon=rotate:1

  1. sudo nano /boot/config.txt
  • dtoverlay=hy28b, rotate=90

    --------------------------------------------------------------------------------------
#hdmi_force_hotplug=1
dtoverlay=hy28b,rotate=90,speed=12000000,fps=30,swap_xy=1
-------------------------------------------------------------------------------------- 

  1. sudo nano /usr/share/X11/xorg.conf.d/99-fbturbo.conf
  • put a # at the start of line:
  • Option          "fbdev" "/dev/fb0"

 

  1. sudo dpkg-reconfigure console-setup
  • Go through the following menu choices:
  • Encoding to use on the console: <UTF-8>
  • Character set to support: <Guess optimal character set>
  • Font for the console: Terminus (default is VGA)
  • Font size: 6x12 (framebuffer only)
  1. sudo reboot

For TFT screen

  • sudo FRAMEBUFFER=/dev/fb1 startx -- -dpi 60

For HDMI

  • sudo FRAMEBUFFER=/dev/fb0 startx

 

Sample configuration files could be seen as

https://www.dropbox.com/sh/kmlgn3exzno85re/AAD4idNTwJelXdQkMy9XgaLMa?dl=0

 

Touch Screen Calibration

  1. sudo TSLIB_FBDEVICE=/dev/fb1 TSLIB_TSDEVICE=/dev/input/event0 ts_calibrate

Touch Screen Orientation

  1. cd /tmp
  2. wget http://tronnes.org/downloads/xinput-calibrator_0.7.5-1_armhf.deb
  3. sudo dpkg -i -B xinput-calibrator_0.7.5-1_armhf.deb
  4. rm xinput-calibrator_0.7.5-1_armhf.deb
  5. sudo mkdir /etc/X11/xorg.conf.d/
  6. sudo nano /etc/X11/xorg.conf.d/99-ads7846-cal.conf

Section "InputClass"

        Identifier      "calibration"

        MatchProduct    "ADS7846 Touchscreen"

        Option  "SwapAxes"      "1"

EndSection

 21.               sudo wget -O /etc/X11/Xsession.d/xinput_calibrator_pointercal https://raw.github.com/tias/xinput_calibrator/master/scripts/xinput_calibrator_pointercal.sh

  1. echo "sudo /bin/sh /etc/X11/Xsession.d/xinput_calibrator_pointercal" | sudo tee -a /etc/xdg/lxsession/LXDE-pi/autostart

Restart the Raspberry Pi using

  1. sudo FRAMEBUFFER=/dev/fb1 startx -- -dpi 60

Calibrate the touch Screen once X windows

For Raspberry Pi A+

Follow the instruction mentioned in

http://www.raspberrypirobot.com/tft-2-8-lcd-raspberrypi-240x320-ili9325c-touch-screen-display-monitor/

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