Raspberrypi

http://www.raspberrypi.org/documentation/configuration/config-txt.md

casting to a raspberry

apt-get install libwidevinecdm0

installing 7 Display

There are 4 jumper wires (Red, Black, Yelow & Green) that connect to the following pins on the LCD controller board:

   Red wire to pin marked 5V
   Green wire to pin marked SDA
   Yellow wire to pined marked SCL
   Black wire to pin marked GND

The other end of the wires will connect to the following pins on the Raspberry Pi computer board:

   Red wire to pin 2
   Green wire to pin 3
   Yellow wire to pin 4
   Black wire to pin 6

• Xorg modifications

Paste in: /etc/X11/xorg.conf

Section "InputClass"
  Identifier "calibration"
  Driver "evdev"
  MatchProduct "FT5406 memory based driver"

  Option "EmulateThirdButton" "1"
  Option "EmulateThirdButtonTimeout" "750"
  Option "EmulateThirdButtonMoveThreshold" "30"
EndSection

installing 3.5 Display

there are various models of the same 3.5 display, two are listed here

sudo rm -rf LCD-show
git clone https://github.com/goodtft/LCD-show.git
chmod -R 755 LCD-show
cd LCD-show/

• MHS-3.5inch_RPi_Display

http://www.lcdwiki.com/MHS-3.5inch_RPi_Display

cd LCD-show/
sudo ./MHS35-show

• V3 3.5inch_RPi_Display

cd LCD-show/
sudo ./LCD35-show

• rotate display

cd LCD-show/
sudo ./rotate.sh 90  .. 180  270

config

DSI lines

DSI lines are disabled by default. To enable detection, add the following line to /boot/config.txt:

ignore_lcd=0

3.5mm jack output sound

If using the Raspberry Pi 3.5mm jack to output sound, sound quality can be improved by adding the following line to your boot/config.txt file:

audio_pwm_mode=2

HDMI audio

in config.txt, this lines will force the audio output to the analog jack

dtparam=audio=on 
audio_pwm_mode=2
hdmi_ignore_edid_audio=1
disable_audio_dither=1

software

• on screen keyboard

apt-get install matchbox-keyboard

or

sudo apt-get install florence

Raspbian 11

LAn iface names

iface names are renamed to enx???? .... very bad

• in /boot/cmdline.txt

net.ifnames=0 biosdevname=0