Victron VenusOS can be working like a CerboGX with Touchscreen. This is a great alternative to the CerboGX in case you like to get your hands on the Raspberry Pi and VenusOS solution.
Helpful for copy & paste: Enable SSH Video

1. Activate Touchscreen
cd /uboot/overlays
wget https://github.com/kolargol/raspberry...

2. Install Backlight Overlay
wget https://github.com/PiNet/PiNetBoot/r...

3. Edit Config.txt
nano /uboot/config.txt

a. Rotate display 180 degree. Add the following row:
lcd_rotate=2

b. Adjust display resolution. Add the following row:
framebuffer_width=800
framebuffer_height=480

4. Dimm and Standby display (After commands send you can go into the console Settings – Display & Language
NOTE: HERE ARE USED ANGLE BRACKETS, REPLACE THE WORD ANGLEBRACKET POINTING TO THE RIGHT:
echo '/sys/class/backlight/rpi_backlight' ANGLEBRACKET/etc/venus/backlight_device
echo '/sys/class/backlight/rpi_backlight/bl_power' ANGLEBRACKET/etc/venus/blank_display_device

5. Update Packages
opkg update

6. Activate touchscreen
opkg install qt4embeddedpluginmousedrivertslib

7. Install Touchscreen libraries
opkg install tslibcalibrate
opkg install tslibconf
opkg install tslibtests
opkg install kernelmodulerpibacklight

8. Calibrate Touchscreen Part I
TSLIB_FBDEVICE=/dev/fb0
TSLIB_TSDEVICE=/dev/input/touchscreen0
TSLIB_CALIBFILE=/etc/pointercal
TSLIB_CONFFILE=/etc/ts.conf
TSLIB_PLUGINDIR=/usr/lib/ts

9. Reboot:
reboot

10. Calibrate touchscreen Part II
ts_calibrate

11. Activate GUI
nano /opt/victronenergy/gui/startgui.sh

a. Add in the row after „# when headfull“:
export TSLIB_TSEVENTTYPE=INPUT
export TSLIB_CONSOLEDEVICE=none
export TSLIB_FBDEVICE=/dev/fb0
export TSLIB_TSDEVICE=/dev/input/touchscreen0
export TSLIB_CALIBFILE=/etc/pointercal
export TSLIB_CONFFILE=/etc/ts.conf
export TSLIB_PLUGINDIR=/usr/lib/ts
export QWS_MOUSE_PROTO=tslib:/dev/input/touchscreen0

12. Turn On GUI:
mv /etc/venus/headless /etc/venus/headless.off

13. Reboot:
Reboot

14. To turn off:
mv /etc/venus/headless.off /etc/venus/headless






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Timecodes
0:00 Intro
2:03 – Let’s Start (CMDs)
9:09 – Calibrate Part II
14:49 Outro