Teaching Documents: User Guide

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