4inch RPi LCD (A)

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4inch-RPi-LCD-A
4inch RPi LCD (A)


FAQ

Question:
How to apply the RPi LCD in a custom Raspbian system mirror image?
Answer:

Firstly, you should make sure the custom mirror image used can boot to desktop. Run the following command:

sudo raspi-config 

Check the configuration: Enable Boot to Desktop/Scratch -> Desktop Log in as user ‘pi’ at the graphical desktop

Download RPi LCD driver and unzip it. Copy the file LCD-show.tar.gz into your custom mirror image via the network or an U disk. Run the following command:

tar xvf LCD-show.tar.gz
cd LCD-show/
  • For 3.2inch RPi LCD (B), run the command:
sudo ./LCD32-show
  • For 3.5inch RPi LCD (A), run the command:
sudo ./LCD35-show
  • For 4inch RPi LCD (A), run the command:
sudo ./LCD4-show
  • For 5inch HDMI LCD, run the command:
sudo ./LCD5-show

Then, wait a few minutes, the system will restart automatically. When finished, the RPi LCD is ready to use.

To switch to HDMI display, run the command:

sudo ./LCD-hdmi


Question:
The system mirror image cannot run after updated. Why?
Answer:

You should update the mirror image in the same manner as the method shown below, otherwise the system mirror image may not run after updated:

sudo apt-mark hold raspberrypi-bootloader
sudo apt-get update
sudo apt-get upgrade


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