Librem 5 Development Kit [Onboard Screen]
Librem 5 Development Kit [Onboard Screen]
The screen story.
This video documents the experience of working with the onboard screen on the Librem 5 development kit, including challenges encountered and solutions found.
Corrections
Important corrections to information in the video:
- 0:20: It was a hardware issue, but with a software workaround available
- 2:08: The ribbon cable mentioned was for the touch controller, not the display. The display's FPC (Flexible Printed Circuit) is also unplugged in that shot.
- Ribbon cable connections for the display panel
- Touch controller cable connections (separate from display)
- FPC (Flexible Printed Circuit) handling
- Hardware vs software issues
- Main display panel with its own FPC connection
- Separate touch controller with its own ribbon cable
- Driver software for both components
- Multiple cable connections that must be properly seated
- Distinction between display output and touch input systems
- The iterative nature of hardware debugging
- How software workarounds can sometimes address hardware issues
Display Challenges
Working with development hardware often involves troubleshooting display issues:
Development Kit Display Setup
The dev kit display system consists of:
Lessons Learned
This video highlights the complexities of developing mobile hardware:
Understanding these hardware details helps developers and enthusiasts work more effectively with development hardware.