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The Job
I plan to make a new case for my Pi 4B and 5“ touchscreen, modelled on the old scavenged housing I currently use with a PI 2B and the same screen. Perhaps not the best case shape, but I have grown attached to it.
Starting with my trusty OpenSCAD template, I found that I was able to use combined minkowski functions to get the two types of edge bevelling needed for the look.
An incremental refining of the case will take place in the background. Meanwhile, I have taken delivery of more items related to the Pi4, namely the heatsink and UPS batteries. I had bricked the OS whilst attempting to install the touch-screen drivers, so I diverted to reinstalling the same OS with the updated TS drivers for Kali, getting me ready to start on the I2C UPS comms for battery state tracking. Once I know this works, I can incorporate the UPS and battery space in the case design.
Install order
- Install kali-linux-2020.4-rpi4-nexmon-64.img rolling on to SD card
- Hook up Pi with HDMI capture to PC + USB KB.
- Install the kali-specific LCD drivers from https://github.com/lcdwiki/LCD-show-kali/blob/master/LCD5-show
- Start BT service, add BT Keyboard and mouse as trusted device and enable BT service at boot
- Install Waveshare 5" Touchscreen and check function
- install I3 window manager
- Install OBCD onscreen keyboard
- add onscreen KB helper to gdm3 window manager
- Test the 18650 LiPo batts are real, then maybe against their specs, and maybe get some Fogstar Li-ion 18650 batts also to compare against.
- Install HAM radio meta-packages
- Add auto-mounting udev for USB storage (for radio contact logging)
- Add I2C trackball ?
- Install OverlayFS and RO/RW switching scripts