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23 天
【STM32 LL库编程】GPIO实现独立按键
按键按下后使LED灯点亮,按键松开LED灯熄灭。 按键按下后由于金属之间的摩擦会导致按键触点接触不良而产生抖动现象,在编程过程中使用软件延时的方式去除抖动(消抖)。
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Senate confirms Gabbard
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