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请问怎么修改demo采集的频率了，
目前采集时1s一次，怎么修改成1s两次或者1s三次了？
您好，您是从哪里看到采集是1秒1次的？
我看见demo中的定时器是设置的1s，怎么修改采样频率了
如果是通过定时器定时开启ADC采样的话，调整定时器的周期值就可以
