KeDei

Popular questions

• Q.01

  How to change resolution for raspberry pi
  A

  Open the. / boot / config file and add the following code

  • If the resolution is 1024*600

    hdmi_drive=2
    hdmi_force_hotplug=1
    hdmi_group=2
    hdmi_mode=87
    hdmi_cvt 1024 600 60 6 0 0 0

  • If the resolution is 800*480

    hdmi_drive=2
    hdmi_force_hotplug=1
    hdmi_group=2
    hdmi_mode=87
    hdmi_cvt 800 480 60 6 0 0 0

  • If the resolution is 480*320

    hdmi_drive=2
    hdmi_force_hotplug=1
    hdmi_group=2
    hdmi_mode=87
    hdmi_cvt 480 320 60 6 0 0 0

• Q.02

  How to install Virtual Keyboard for the Raspberry Pi
  A

  http://ozzmaker.com/virtual-keyboard-for-the-raspberry-pi
• Q.03

  How to calibrate touch
  A

  sudo apt-get install xinput-calibrator
  
  Click the menu key on the taskbar and select Preferences > calibrate touchscreen
  Touch calibration according to the display prompts
  Make 99-calibration.conf file to save the touch parameters (not do if exists)
  
  /ect/X11/xorg.conf.d/99-calibration.conf