Open HMI Guides
Practical decisions before the schematic is finished.
Architecture, GUI workflow and production guidance based on real embedded HMI trade-offs. Vendor-neutral where possible, implementation-specific where useful.
Guide Library
Start with the decision you are facing.
ArchitectureGuide 01
When Should You Move Beyond a Serial HMI?
Where serial displays remain the fastest answer — and the signals that a chip-level HMI is becoming the better long-term platform.
Serial HMIChip-level HMIBOM
Read Guide →
ArchitectureGuide 02
MCU, MPU or SoC for Embedded HMI?
A practical way to decide between compact RTOS platforms and richer Linux / multimedia architectures.
MCURTOSLinux
Read Guide →
GUI & SoftwareGuide 03
Choosing the Right GUI Tool for Your Embedded Workflow
Choose around the team, target platform and hand-off workflow — not around the longest feature list.
LVGLQt/QMLGUI Tools
Read Guide →
ProductionGuide 04
From Chip to Production HMI: What Is Actually Needed?
Why a processor is only one layer of a production HMI — and how hardware, software, engineering and supply fit together.
BSPDisplayEngineering
Read Guide →
From reading to evaluation
Turn the decision into a hardware path.
Use the HMI Selector to translate display, UI, OS and connectivity needs into an architecture direction.