Waveshare WSH-12824, Getting Started

Audio out from HDMI

There is a 3.5mm jack on the LCD, which is used to play HDMI audio. Steps to use this jack:

sudo nano /boot/config.txt              # edit the configuration file 

Modify this line:

hdmi_drive=1 

to

hdmi_drive=2 

Exit with save: Hit ctrl + x --> Y

reboot                                  # system reboot 

apt-get install mplayer                 # install mplayer 

mplayer music.mp3                       # play music 

Custom resolution

Hardware resolution of this LCD is 480x320 but you can change the resolution by software. In

Raspbian, these resolution settings can work properly

480×320 800×480 800×600 1024×768 1152×864 1280×720 1280×768 1280×800

1280×960 1280×1024 1360×768 1366×768 1440×900 1600×900 1600×1024 1680×1050

The resolution can be configured by editing the /boot/config.txt file. Modify the line where hdmi_cvt

is located, e.g. to change the resolution from 480x320 to 800x480, modify:

hdmi_cvt 480 320 60 6 0 0 0 

to

hdmi_cvt 800 480 60 6 0 0 0 

Screen orientation settings

After touch driver installed, the screen orientation can be set by these commands:

0 degree rotation

cd LCD-show/ 
# Choose one of the two to execute