Radxa 8-inch 800*1280 TFT display, supports capacitive touch.
Product Link: https://radxa.com/products/accessories/display-8hd
Use No. 2 15-pin to 40-pin FPC cable.
The FPC cable has an additional 7-pin holder that needs to be connected as defined below:
Connect the screen to the Raspberry Pi 4B as follows:
Radxa Display 8 HD | Raspberry Pi 4B |
---|---|
VCC-5V | PIN 2: 5V Power |
GND | PIN 6: GND |
BL-PWM | PIN 1: 3V3 Power |
TP-RST | PIN 11: GPIO 17 |
TP-INT | PIN 7: GPIO 4 |
LCD-RESET | PIN 17: 3V3 Power |
The seventh pin is currently unused
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Raspberry Pi OS used
https://www.raspberrypi.com/software/operating-systems/
- Raspberry Pi OS (64-bit)
- Release date: March 15th 2024
- File name: 2024-03-15-raspios-bookworm-arm64.img.xz
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Install required packages
sudo apt update sudo apt install dkms raspberrypi-kernel-headers
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Install kernel driver
Download the driver installation package here, or use the wget command to download it:
wget https://github.com/radxa/radxa-displays-on-raspberry-pi/releases/download/1.0.0/panel-radxa-dsi-dkms_1.0.0_all.deb
Install the driver:
sudo dpkg -i panel-radxa-dsi-dkms_1.0.0_all.deb
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Modify configuration
The configuration file
config.txt
can be found at the root directory of the microSD card. Alternatively, you can access it by using the commandvi
:sudo vi /boot/firmware/config.txt
Add the following three lines of configuration after [all]:
[all] display_auto_detect=0 dtoverlay=vc4-kms-v3d dtoverlay=vc4-kms-dsi-radxa-panel
After saving, restart:
sync sudo reboot
After restarting, the screen should display normally.
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Configured as landscape orientation
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Screen
Boot to desktop. Run screen configuration utility from preferences menu and choose the correct orientation of display. Click the green tick button and display should be rotated.
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Touch Panel
Work in progress...
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- The backlight brightness of the current version is not adjustable, and this problem will be fixed in the next version.