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        "项目经历",
        "三、腕上微屏—嵌入式轻量GUI智能腕表",
        "技术框架：STM32F411CEU6，立创EDA，I2C/SPI总线，贴片焊接，万用表硬件排查；C语言，STM32HAL库",
        "FreeRTOS,LVGL,MDK5。",
        "任务：",
        "负责项目硬件焊接调试；环境感知相关传感器开发移植与数据采集；计算器功能的LVGLGUI设计与代码实",
        "现；基于STM32完成外设底层驱动移植；移植FreeRTOS实时操作系统，配合整体项目完成多任务基础搭建。",
        "项目实现：",
        "硬件焊接：完成贴片元器件焊接，使用万用表做断电通断测试，排查虚焊、短路等硬件故障，保障硬件平台可",
        "正常上电调试。",
        "底层驱动与RTOS移植：基于STM32HAL库完成外设底层驱动移植；移植FreeRTOS实时操作系统，搭建",
        "多任务运行环境，支撑传感器、UI等任务并发运行。",
        "环境感知开发：调试环境类传感器驱动，采集气压海拔、方位等环境数据，对接FreeRTOS任务框架，稳定输",
        "出环境感知数据。",
        "GUI开发：基于LVGL图形库完成计算器功能页面的UI布局、控件逻辑编写，实现计算器交互逻辑，完成",
        "页面切换联动。",
        "结果：",
        "成功完成硬件焊接与故障排查，硬件平台稳定可用；顺利移植STM32底层驱动与FreeRTOS，为整个系统提",
        "供实时调度基础；环境感知模块能够稳定采集气压、方位等环境参数；实现LVGL计算器GUI界面与交互逻辑",
        "可在手表屏幕正常使用，丰富整机人机交互功能，支撑智能手表整体功能联调。",
        "四、智能小车循迹与避障系统",
        "技术框架：技术框架：STM32F103，C语言，PID闭环控制；外设包含红外循迹模块、HC-SR04超声波模块、",
        "JDY-31蓝牙模块；使用GPIO采集赛道与按键状态、输出PWM驱动电机，USART串口通信完成蓝牙数据收发。",
        "任务：",
        "以STM32为主控芯片，用面包板完成电路搭建与C语言驱动开发；利用红外循迹模块采集赛道偏移信息，",
        "引入PID算法提升循迹的平稳性与跟随精度；通过USART串口接入HC-05蓝牙模块，实现手机端对小车的前",
        "进、后退、转向与启停控制；完成软硬件整体联调，实现小车长距离稳定运行与远程遥控。",
        "项目实现：",
        "移动控制：采用C语言完成底层驱动开发。红外循迹模块将赛道黑线位置转换为电平/模拟信号，由GPIO与",
        "ADC采集后解算出小车相对赛道的横向偏移量。",
        "基于PID闭环控制算法动态调节左右两侧电机的PWM占空比，实时修正车身姿态，抑制直道摆动与过弯抖",
        "动，使小车在直道与弯道段都能平稳跟随赛道中线行驶。",
        "电机由驱动模块控制，转向由两侧电机的转速差实现，正反转与转速分别由GPIO电平和PWM占空比决定。",
        "蓝牙遥控：通过USART串口驱动JDY-31蓝牙模块，完成STM32与手机APP的双向数据交互。APP下",
        "发指令实现小车的远程启动、停止、前进、后退、左转、右转与速度调节。",
        "结果：",
        "小车实现自动循迹、障碍物检测与自主避障功能，支持手机APP蓝牙远程控制；在实验室环境下连续稳定行",
        "驶可达100米，赛道跟随偏差小，能够识别障碍并做出减速、绕行动作，项目顺利验收。"
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