
Francis Roi Manabat developed and integrated device drivers for embedded sensors in the nrfconnect/sdk-zephyr and nxp-upstream/zephyr repositories, focusing on robust hardware support and test automation. He implemented drivers for the MAX30210 temperature sensor and MAX31331 real-time clock, enabling precise measurement, configurable thresholds, and low-power timekeeping using C and I2C communication. For the ADXL355 3-axis MEMS accelerometer, he delivered a driver supporting both I2C and SPI, with power management and FIFO streaming. His work emphasized build-time validation and expanded CI coverage, improving integration reliability and accelerating sensor development cycles while maintaining high code quality and rigorous testing standards.
February 2026 monthly summary for nxp-upstream/zephyr. Focused on expanding test coverage for embedded sensors and improving integration reliability through build-time validation of the ADXL355 sensor. Delivered a dedicated build test for ADXL355, increasing CI feedback and reducing integration risk. No major bugs fixed this month; effort targeted at test automation, quality gates, and process discipline to enable faster and safer sensor iterations. Demonstrated proficiency in embedded testing, CI pipelines, and collaborative development across the team.
February 2026 monthly summary for nxp-upstream/zephyr. Focused on expanding test coverage for embedded sensors and improving integration reliability through build-time validation of the ADXL355 sensor. Delivered a dedicated build test for ADXL355, increasing CI feedback and reducing integration risk. No major bugs fixed this month; effort targeted at test automation, quality gates, and process discipline to enable faster and safer sensor iterations. Demonstrated proficiency in embedded testing, CI pipelines, and collaborative development across the team.
For 2026-01, the key work focused on delivering ADXL355 3-axis MEMS accelerometer support in nxp-upstream/zephyr, establishing a robust driver that covers multiple interfaces and power states, and laying groundwork for expanded motion-sensing capabilities across platforms.
For 2026-01, the key work focused on delivering ADXL355 3-axis MEMS accelerometer support in nxp-upstream/zephyr, establishing a robust driver that covers multiple interfaces and power states, and laying groundwork for expanded motion-sensing capabilities across platforms.
2025-12 monthly summary for nrfconnect/sdk-zephyr: Delivered key features with driver support for MAX30210 temperature sensor and MAX31331 RTC, along with expanded build/test coverage to validate integration across platforms. No major bugs reported; emphasis on feature delivery, code quality, and test automation to de-risk hardware integration and accelerate readiness for release.
2025-12 monthly summary for nrfconnect/sdk-zephyr: Delivered key features with driver support for MAX30210 temperature sensor and MAX31331 RTC, along with expanded build/test coverage to validate integration across platforms. No major bugs reported; emphasis on feature delivery, code quality, and test automation to de-risk hardware integration and accelerate readiness for release.

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