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本人想做个通过视觉识别,停止闹铃的闹钟。请问如何接数码管并显示时间
和常规单片机控制译码器一样思路。OpenMV接BCD译码器4个引脚,然后片选4个引脚也够了。
如果觉得麻烦,就用串口控制的数码管。
请问,这有示例吗
就是控制高低电平就行了。。。