Teaching Documents: User Guide

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First: setup

Note-1: LCD Power(Your PI must powered by 5V 2A or 5V 3A is better)

Note-2: insert the touch screen driver line and HDMI line

Note--3: When the screen is unstable and flash, you need to power the lcd external power supply ,After powering , wait for a few minutes until the LCD display stable

Second:driving the LCD

For driving the LCD , you can use our configured image provided :

IMAGE/

install the image please reference :(your SD card must be 8G) Install Raspbian.doc

Also, you can install the driver at youself Raspbian OS. Copy the “Driver”document to your Pi, Then On the LXTerminal, enter

sudo ./LCD7-USB-CAP-show After reboot ,The LCD can display and touch

Third:Virtual Keyboard

Use our configured image provided Use yourself image

sudo apt-get update sudo apt-get install libfakekey-dev libpng-dev libxft-dev autoconf libtool –y Copy “Software/ matchbox-keyboard “ to your Pi cd matchbox-keyboard ./autogen.shmake sudo make install sudo apt-get install libmatchbox1 -y sudo nano /usr/bin/toggle-matchbox-keyboard.sh

And copy in the text below;
#!/bin/bash
#This script toggle the virtual keyboard

PID=`pidof matchbox-keyboard` if [ ! -e $PID ]; then

 killall matchbox-keyboard

else

matchbox-keyboard -s 50 extended&

fi

sudo chmod +x /usr/bin/toggle-matchbox-keyboard.sh sudo nano /usr/local/share/applications/toggle-matchbox-keyboard.desktop


Copy in this text;

[Desktop Entry]

Name=Toggle Matchbox Keyboard
Comment=Toggle Matchbox Keyboard
Exec=toggle-matchbox-keyboard.sh
Type=Application
Icon=matchbox-keyboard.png
Categories=Panel;Utility;MB
X-MB-INPUT-MECHANSIM=True

nano ~/.config/lxpanel/LXDE-pi/panels/panel

Find this section of config (it is near the bottom);
Plugin {

   type = launchbar
   Config {
       Button {
           id=lxde-screenlock.desktop
       }
       Button {
           id=lxde-logout.desktop
       }
   }

and change it to;

Plugin {

   type = launchbar
   Config {
       Button {
           id=toggle-matchbox-keyboard.desktop
       }
       Button {
           id=lxde-screenlock.desktop
       }
       Button {
           id=lxde-logout.desktop
       }
   }

Save and exit, After reboot ,you can use the software keyboard