
Greg Leach developed and integrated hardware support for Ezurio boards within the Zephyr RTOS ecosystem, focusing on repositories such as AmbiqMicro/ambiqzephyr and nrfconnect/sdk-zephyr. He enabled new board variants, refined bootloader partition layouts, and resolved IRQ conflicts to improve test reliability and device interoperability. Using C, CMake, and device tree configuration, Greg delivered maintainable build systems and streamlined debugging workflows for platforms like the BL654 USB and Lyra DVK. His work included updating technical documentation and onboarding resources, demonstrating depth in embedded systems, Bluetooth Low Energy enablement, and cross-repository hardware integration to support robust customer deployments.
January 2026 monthly summary focusing on delivering cross-repo Ezurio board support in Zephyr projects, stabilizing test environment, and expanding BLE enablement across new hardware. Key outcomes include enabling Ezurio Lyra DVK and RM126x DVK board support in Zephyr ecosystems, and resolving IRQ conflicts on EFR32BG22 to improve test reliability. The work demonstrates strong cross-team collaboration, efficient board bring-up, and practical impact for customers deploying Zephyr on Ezurio hardware.
January 2026 monthly summary focusing on delivering cross-repo Ezurio board support in Zephyr projects, stabilizing test environment, and expanding BLE enablement across new hardware. Key outcomes include enabling Ezurio Lyra DVK and RM126x DVK board support in Zephyr ecosystems, and resolving IRQ conflicts on EFR32BG22 to improve test reliability. The work demonstrates strong cross-team collaboration, efficient board bring-up, and practical impact for customers deploying Zephyr on Ezurio hardware.
July 2025 monthly summary for renesas/zephyr: Delivered alignment of Ezurio BL654 USB board with NRF52840 dongle, including new board variants and refined bootloader partition layouts; updated programming and debugging docs to reflect new options. No major bugs fixed this month; focus was on hardware-compatibility and documentation to enable easier onboarding and sustain platform reliability. Business impact: improved interoperability across devices, consistent bootloader configurations, and faster integration for customers deploying BL654 with NRF52840 dongle; supports release quality and developer productivity. Technologies/skills demonstrated: patch management, board bring-up, bootloader partitioning, hardware variant management, technical documentation, NRF52840, Zephyr board support.
July 2025 monthly summary for renesas/zephyr: Delivered alignment of Ezurio BL654 USB board with NRF52840 dongle, including new board variants and refined bootloader partition layouts; updated programming and debugging docs to reflect new options. No major bugs fixed this month; focus was on hardware-compatibility and documentation to enable easier onboarding and sustain platform reliability. Business impact: improved interoperability across devices, consistent bootloader configurations, and faster integration for customers deploying BL654 with NRF52840 dongle; supports release quality and developer productivity. Technologies/skills demonstrated: patch management, board bring-up, bootloader partitioning, hardware variant management, technical documentation, NRF52840, Zephyr board support.
June 2025 Monthly Summary for AmbiqMicro/ambiqzephyr. Focus this month was on expanding hardware support and strengthening the build/debug workflow for the Ezurio ecosystem within the Zephyr-based AmbiqZephyr project.
June 2025 Monthly Summary for AmbiqMicro/ambiqzephyr. Focus this month was on expanding hardware support and strengthening the build/debug workflow for the Ezurio ecosystem within the Zephyr-based AmbiqZephyr project.

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