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可以但是最好使用共阳极的方式,让MCU 的IO工作在拉电流方式,同时注意限流电阻最好大一点,MCU的电流承载能力很弱,单个IO不能超过6mA,整体不超过40mA(拉电流)
在这里已经有回答:www.deyisupport.com/.../11095.aspx