STM32WB Antenna Reuse: Requalify the Board Geometry Behind the Reference Match
Can an antenna layout and matching network be copied unchanged onto a smaller wireless product PCB?
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NUCLEO-WBA55CG USB: Trace the ST-LINK Bridge Before Designing the Product Data Path
Does the board’s USB-C connector expose a native application USB interface or a debugger-mediated serial path?
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STM32WBA55 Without LSE: Budget LSI2 Calibration and Low-Power Support
Can a WBA55 board remove its low-speed crystal without losing the required radio sleep behavior?
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STM32WB Stop Entry: Preserve the Two-Core Clock Handoff
Why can a custom idle hook break WB55 low-power entry even when the chosen PWR mode is valid?
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STM32WB Memory Budget: Reserve the Next CPU2 Stack, Not Only Today’s Application
How much flash and SRAM may a WB55 application claim while keeping future wireless-stack updates feasible?
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STM32WB55 to STM32WBA55: Redraw the Wireless Firmware Delivery Boundary
Which firmware images, scheduling responsibilities and startup interfaces must change when moving a WB55 product to WBA55?
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SCADA Failover with TwinCAT OPC UA: Make ServiceLevel Reflect Source Health
Treat the default static service indicator, health producer and watchdog fallback as an explicit failover contract.
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OPC UA SCADA Alarm Shelving: Verify What Brings an Alarm Back
Make timed and one-shot shelving recovery visible without substituting a client countdown for authoritative server state.
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Yocto Buildhistory: Separate Installed Package Changes from Task Rebuild Noise
Use Yocto buildhistory package and image records to distinguish content regressions from task activity and interpret file lists and size measurements correctly.
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Yocto User Creation: Make Package and Image Account Policies Agree
Diagnose Yocto service-account conflicts by separating package useradd requirements, existing-name creation behavior and extrausers image postprocessing.
