Yunshao Chiang focused on stabilizing ADC data acquisition in the zephyrproject-rtos/zephyr-testing repository by addressing a critical bug in the It51xxx driver. Using C programming and embedded systems expertise, Yunshao corrected the channel sampling flow to ensure reliable, sequential sampling across ADC channels. The solution eliminated initial zero samples and resolved issues with incorrect channel results, thereby improving the integrity of ADC-based telemetry. This work involved careful driver development to validate context sequencing and measurement reliability, ultimately enhancing the accuracy of downstream diagnostics and analytics that depend on precise ADC readings. The contribution demonstrated depth in low-level systems engineering.