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→硬件设计
=== 硬件设计 ===
选择STM32L4引脚PC6用来捕获红外传感器HS0038的DATA引脚输出的PWM波。
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=== 实验准备 ===
# 使用miniUSB线及10pin排线，通过Jlink仿真器连接PC端和开发板。